From sachinls@netsys.kaist.ac.kr Tue Jan 7 03:20:58 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Tue, 7 Jan 2003 12:20:58 +0900
Subject: [tg] The QOS
Message-ID: <003101c2b5fb$cc5c1240$b994f88f@sachincomp>
This is a multi-part message in MIME format.
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Hi,
Can anyone help me with the specification of the QOS fields? That is the =
meaning of the fields and value range of each fields.
I would really appreciate you help..
Thank you
Sachin
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Hi,
Can anyone help me with the =
specification=20
of the QOS fields? That is the meaning of the fields and value range of =
each=20
fields.
I would really appreciate you =
help..
Thank you
Sachin
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From sachinls@netsys.kaist.ac.kr Tue Jan 7 03:34:17 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Tue, 7 Jan 2003 12:34:17 +0900
Subject: [tg] data rate
Message-ID: <003a01c2b5fd$a8e5eff0$b994f88f@sachincomp>
This is a multi-part message in MIME format.
------=_NextPart_000_0037_01C2B649.18597960
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Hi,
I forgot to add one more query in the last email. How can we explicitly =
give the data rate for transmission. Well if there is no such provision =
how are we suppose to provide data rate.
Sachin
------=_NextPart_000_0037_01C2B649.18597960
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charset="euc-kr"
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Hi,
I forgot to add one more query in the =
last email.=20
How can we explicitly give the data rate for transmission. Well if there =
is no=20
such provision how are we suppose to provide data rate.
Sachin
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From b_a_denny@yahoo.com Tue Jan 7 05:47:56 2003
From: b_a_denny@yahoo.com (Barbara Denny)
Date: Mon, 6 Jan 2003 21:47:56 -0800 (PST)
Subject: [tg] data rate
In-Reply-To: <003a01c2b5fd$a8e5eff0$b994f88f@sachincomp>
Message-ID: <20030107054756.60170.qmail@web14305.mail.yahoo.com>
The specification of the interarrival rate plus
the packet size gives you the data rate.
barbara
--- sachin wrote:
> Hi,
>
> I forgot to add one more query in the last email.
> How can we explicitly give the data rate for
> transmission. Well if there is no such provision how
> are we suppose to provide data rate.
>
> Sachin
>
__________________________________________________
Do you Yahoo!?
Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
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From b_a_denny@yahoo.com Tue Jan 7 06:10:20 2003
From: b_a_denny@yahoo.com (Barbara Denny)
Date: Mon, 6 Jan 2003 22:10:20 -0800 (PST)
Subject: [tg] The QOS
In-Reply-To: <003101c2b5fb$cc5c1240$b994f88f@sachincomp>
Message-ID: <20030107061020.75549.qmail@web14310.mail.yahoo.com>
As mentioned in the manual not all the QoS fields are
implemented. The ones that are implemented depend on
the specification, and sometimes the operating system,
for what is valid. (For example, can you set the
bits used for ECN if you set the qos tg field? When
the code was written the old ioctl call for IP TOS
was the only way to set the field and so yes you could
set the ECN bits if you tried. I expect this to
change but tg does not explicitly mask out those
bits if the user wants to experiment with them).
I suggest you look closer in the tg manual and the
relevant RFCs for the answer to your questions.
barbara
--- sachin wrote:
> Hi,
>
> Can anyone help me with the specification of the QOS
> fields? That is the meaning of the fields and value
> range of each fields.
>
> I would really appreciate you help..
>
> Thank you
> Sachin
>
__________________________________________________
Do you Yahoo!?
Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
http://mailplus.yahoo.com
From pingali@ISI.EDU Tue Jan 7 06:19:24 2003
From: pingali@ISI.EDU (Venkata Pingali)
Date: Mon, 6 Jan 2003 22:19:24 -0800 (PST)
Subject: [tg] The QOS
In-Reply-To: <003101c2b5fb$cc5c1240$b994f88f@sachincomp>
Message-ID: <20030106221347.H2564-100000@e.postel.org>
Hi,
Only a subset of qos options are actually implemented.
sndwin and rcvwin are supported. The value range is the same as that used
for setsockopt with SO_SNDBUF and SO_RCVBUF. tos option is settable on
solaris.
Venkata
On Tue, 7 Jan 2003, sachin wrote:
> Hi,
>
> Can anyone help me with the specification of the QOS fields? That is the meaning of the fields and value range of each fields.
>
> I would really appreciate you help..
>
> Thank you
> Sachin
>
From sachinls@netsys.kaist.ac.kr Tue Jan 7 06:25:26 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Tue, 7 Jan 2003 15:25:26 +0900
Subject: [tg] data rate
References: <20030107054756.60170.qmail@web14305.mail.yahoo.com>
Message-ID: <004f01c2b615$91b59480$b994f88f@sachincomp>
Thank you.
Is it possible to run more than 1 TG source in a single machine. Well I have
tried it here. But the sink seems to accept packets from one source and then
as this source stops transmitting it goes for another source. I have
realized this from the log file of the sink.
Well my intention is to generate four concurrent traffic streams and feed
them into IXP machine (which will be working as router) and will be using
single sink.
sachin
----- Original Message -----
From: "Barbara Denny"
To: "sachin" ;
Sent: Tuesday, January 07, 2003 2:47 PM
Subject: Re: [tg] data rate
> The specification of the interarrival rate plus
> the packet size gives you the data rate.
>
> barbara
>
> --- sachin wrote:
> > Hi,
> >
> > I forgot to add one more query in the last email.
> > How can we explicitly give the data rate for
> > transmission. Well if there is no such provision how
> > are we suppose to provide data rate.
> >
> > Sachin
> >
>
>
> __________________________________________________
> Do you Yahoo!?
> Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> http://mailplus.yahoo.com
From pingali@ISI.EDU Tue Jan 7 07:08:38 2003
From: pingali@ISI.EDU (Venkata Pingali)
Date: Mon, 6 Jan 2003 23:08:38 -0800 (PST)
Subject: [tg] data rate
In-Reply-To: <004f01c2b615$91b59480$b994f88f@sachincomp>
Message-ID: <20030106224815.M2584-100000@e.postel.org>
There is nothing fundamentally stopping one from running multiple sources
provided it is within resource limits of the host. TG can accept multiple
connections simultaneously. can you please send me the input tg files and
the log file (or its dcat'd output) to my private email address? I will
see if those files give me a hint.
thanks.
Venkata
On Tue, 7 Jan 2003, sachin wrote:
> Thank you.
>
> Is it possible to run more than 1 TG source in a single machine. Well I have
> tried it here. But the sink seems to accept packets from one source and then
> as this source stops transmitting it goes for another source. I have
> realized this from the log file of the sink.
>
> Well my intention is to generate four concurrent traffic streams and feed
> them into IXP machine (which will be working as router) and will be using
> single sink.
>
> sachin
>
> ----- Original Message -----
> From: "Barbara Denny"
> To: "sachin" ;
> Sent: Tuesday, January 07, 2003 2:47 PM
> Subject: Re: [tg] data rate
>
>
> > The specification of the interarrival rate plus
> > the packet size gives you the data rate.
> >
> > barbara
> >
> > --- sachin wrote:
> > > Hi,
> > >
> > > I forgot to add one more query in the last email.
> > > How can we explicitly give the data rate for
> > > transmission. Well if there is no such provision how
> > > are we suppose to provide data rate.
> > >
> > > Sachin
> > >
> >
> >
> > __________________________________________________
> > Do you Yahoo!?
> > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > http://mailplus.yahoo.com
>
>
> _______________________________________________
> tg mailing list
> tg@postel.org
> http://www.postel.org/mailman/listinfo/tg
>
From sachinls@netsys.kaist.ac.kr Tue Jan 7 07:27:32 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Tue, 7 Jan 2003 16:27:32 +0900
Subject: [tg] The QOS
References: <20030106221347.H2564-100000@e.postel.org>
Message-ID: <007101c2b61e$3e550ab0$b994f88f@sachincomp>
Hi,
I have read the documentation. Eventhough all of these QoS items are not
implimented, they will be added on to the header of the packet. Am I right?
So my intention is to read and process the packet based on these values.
This is the reason I am looking for the specifications.
Sachin
----- Original Message -----
From: "Venkata Pingali"
To: "sachin"
Cc:
Sent: Tuesday, January 07, 2003 3:19 PM
Subject: Re: [tg] The QOS
> Hi,
>
> Only a subset of qos options are actually implemented.
>
> sndwin and rcvwin are supported. The value range is the same as that used
> for setsockopt with SO_SNDBUF and SO_RCVBUF. tos option is settable on
> solaris.
>
> Venkata
>
>
> On Tue, 7 Jan 2003, sachin wrote:
>
> > Hi,
> >
> > Can anyone help me with the specification of the QOS fields? That is the
meaning of the fields and value range of each fields.
> >
> > I would really appreciate you help..
> >
> > Thank you
> > Sachin
> >
>
>
> _______________________________________________
> tg mailing list
> tg@postel.org
> http://www.postel.org/mailman/listinfo/tg
From b_a_denny@yahoo.com Tue Jan 7 07:55:06 2003
From: b_a_denny@yahoo.com (Barbara Denny)
Date: Mon, 6 Jan 2003 23:55:06 -0800 (PST)
Subject: [tg] The QOS
In-Reply-To: <007101c2b61e$3e550ab0$b994f88f@sachincomp>
Message-ID: <20030107075506.91382.qmail@web14311.mail.yahoo.com>
No, they will not be "added" on to the data portion
of the packet. The data portion for a UDP "connection"
does get some additonal bytes beyond the size the
user specifies. Four bytes get added to every packet
to hold what amounts to the sequence number.
barbara
--- sachin wrote:
> Hi,
>
> I have read the documentation. Eventhough all of
> these QoS items are not
> implimented, they will be added on to the header of
> the packet. Am I right?
> So my intention is to read and process the packet
> based on these values.
> This is the reason I am looking for the
> specifications.
>
> Sachin
>
> ----- Original Message -----
> From: "Venkata Pingali"
> To: "sachin"
> Cc:
> Sent: Tuesday, January 07, 2003 3:19 PM
> Subject: Re: [tg] The QOS
>
>
> > Hi,
> >
> > Only a subset of qos options are actually
> implemented.
> >
> > sndwin and rcvwin are supported. The value range
> is the same as that used
> > for setsockopt with SO_SNDBUF and SO_RCVBUF. tos
> option is settable on
> > solaris.
> >
> > Venkata
> >
> >
> > On Tue, 7 Jan 2003, sachin wrote:
> >
> > > Hi,
> > >
> > > Can anyone help me with the specification of the
> QOS fields? That is the
> meaning of the fields and value range of each
> fields.
> > >
> > > I would really appreciate you help..
> > >
> > > Thank you
> > > Sachin
> > >
> >
> >
> > _______________________________________________
> > tg mailing list
> > tg@postel.org
> > http://www.postel.org/mailman/listinfo/tg
>
>
> _______________________________________________
> tg mailing list
> tg@postel.org
> http://www.postel.org/mailman/listinfo/tg
__________________________________________________
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Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
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From sachinls@netsys.kaist.ac.kr Tue Jan 7 07:57:45 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Tue, 7 Jan 2003 16:57:45 +0900
Subject: [tg] data rate
References: <20030106224815.M2584-100000@e.postel.org>
Message-ID: <008201c2b622$77011c60$b994f88f@sachincomp>
This is a multi-part message in MIME format.
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charset="iso-8859-1"
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Thank you,
I have attached the files. The attachment contains log and well as dcat'd
files. I have send log files to get further information regarding the use of
gengraph.pl
I have used one of the source files to get a stats.xpl (default name). I
wanted to view this file with the help of gnuplot and xplot. Well these
tools are installed in my windows machine. But non of these can read the
file format. Can you please tell me where I went wrong.
Sachin
----- Original Message -----
From: "Venkata Pingali"
To: "sachin"
Cc: "Barbara Denny" ;
Sent: Tuesday, January 07, 2003 4:08 PM
Subject: Re: [tg] data rate
>
> There is nothing fundamentally stopping one from running multiple sources
> provided it is within resource limits of the host. TG can accept multiple
> connections simultaneously. can you please send me the input tg files and
> the log file (or its dcat'd output) to my private email address? I will
> see if those files give me a hint.
>
> thanks.
> Venkata
>
> On Tue, 7 Jan 2003, sachin wrote:
> > Thank you.
> >
> > Is it possible to run more than 1 TG source in a single machine. Well I
have
> > tried it here. But the sink seems to accept packets from one source and
then
> > as this source stops transmitting it goes for another source. I have
> > realized this from the log file of the sink.
> >
> > Well my intention is to generate four concurrent traffic streams and
feed
> > them into IXP machine (which will be working as router) and will be
using
> > single sink.
> >
> > sachin
> >
> > ----- Original Message -----
> > From: "Barbara Denny"
> > To: "sachin" ;
> > Sent: Tuesday, January 07, 2003 2:47 PM
> > Subject: Re: [tg] data rate
> >
> >
> > > The specification of the interarrival rate plus
> > > the packet size gives you the data rate.
> > >
> > > barbara
> > >
> > > --- sachin wrote:
> > > > Hi,
> > > >
> > > > I forgot to add one more query in the last email.
> > > > How can we explicitly give the data rate for
> > > > transmission. Well if there is no such provision how
> > > > are we suppose to provide data rate.
> > > >
> > > > Sachin
> > > >
> > >
> > >
> > > __________________________________________________
> > > Do you Yahoo!?
> > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > > http://mailplus.yahoo.com
> >
> >
> > _______________________________________________
> > tg mailing list
> > tg@postel.org
> > http://www.postel.org/mailman/listinfo/tg
> >
>
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------=_NextPart_000_007F_01C2B66D.E6731F30--
From sachinls@netsys.kaist.ac.kr Tue Jan 7 11:49:44 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Tue, 7 Jan 2003 20:49:44 +0900
Subject: [tg] Regarding the many to one traffic flow
References: <20030106224815.M2584-100000@e.postel.org> <008201c2b622$77011c60$b994f88f@sachincomp>
Message-ID: <00a001c2b642$df824af0$b994f88f@sachincomp>
Well, Thank you guys for helping out. Well I have simulated many to one
traffic scenario. Its works as expected and the log file in sink machine
also supports the fact.
Now the problem is how can I generate files from gengraph.pl with many
client files and only one source file. If I try to cross each client file
with the source file then it works with an warning and i have ill feeling
the file so generated is never a valid one. So please help me out in this.
Sachin
----- Original Message -----
From: "sachin"
To: "Venkata Pingali"
Cc: "Barbara Denny" ;
Sent: Tuesday, January 07, 2003 4:57 PM
Subject: Re: [tg] data rate
> Thank you,
>
> I have attached the files. The attachment contains log and well as dcat'd
> files. I have send log files to get further information regarding the use
of
> gengraph.pl
>
> I have used one of the source files to get a stats.xpl (default name). I
> wanted to view this file with the help of gnuplot and xplot. Well these
> tools are installed in my windows machine. But non of these can read the
> file format. Can you please tell me where I went wrong.
>
> Sachin
> ----- Original Message -----
> From: "Venkata Pingali"
> To: "sachin"
> Cc: "Barbara Denny" ;
> Sent: Tuesday, January 07, 2003 4:08 PM
> Subject: Re: [tg] data rate
>
>
> >
> > There is nothing fundamentally stopping one from running multiple
sources
> > provided it is within resource limits of the host. TG can accept
multiple
> > connections simultaneously. can you please send me the input tg files
and
> > the log file (or its dcat'd output) to my private email address? I will
> > see if those files give me a hint.
> >
> > thanks.
> > Venkata
> >
> > On Tue, 7 Jan 2003, sachin wrote:
> > > Thank you.
> > >
> > > Is it possible to run more than 1 TG source in a single machine. Well
I
> have
> > > tried it here. But the sink seems to accept packets from one source
and
> then
> > > as this source stops transmitting it goes for another source. I have
> > > realized this from the log file of the sink.
> > >
> > > Well my intention is to generate four concurrent traffic streams and
> feed
> > > them into IXP machine (which will be working as router) and will be
> using
> > > single sink.
> > >
> > > sachin
> > >
> > > ----- Original Message -----
> > > From: "Barbara Denny"
> > > To: "sachin" ;
> > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > Subject: Re: [tg] data rate
> > >
> > >
> > > > The specification of the interarrival rate plus
> > > > the packet size gives you the data rate.
> > > >
> > > > barbara
> > > >
> > > > --- sachin wrote:
> > > > > Hi,
> > > > >
> > > > > I forgot to add one more query in the last email.
> > > > > How can we explicitly give the data rate for
> > > > > transmission. Well if there is no such provision how
> > > > > are we suppose to provide data rate.
> > > > >
> > > > > Sachin
> > > > >
> > > >
> > > >
> > > > __________________________________________________
> > > > Do you Yahoo!?
> > > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > > > http://mailplus.yahoo.com
> > >
> > >
> > > _______________________________________________
> > > tg mailing list
> > > tg@postel.org
> > > http://www.postel.org/mailman/listinfo/tg
> > >
> >
>
From pingali@ISI.EDU Wed Jan 8 00:45:39 2003
From: pingali@ISI.EDU (Venkata Pingali)
Date: Tue, 7 Jan 2003 16:45:39 -0800 (PST)
Subject: [tg] Regarding the many to one traffic flow
In-Reply-To: <00a001c2b642$df824af0$b994f88f@sachincomp>
Message-ID: <20030107163738.I1995-100000@e.postel.org>
Hi,
I looked at the script, and looks like the script will be have to be
extended to support multiple sources explicitly.
One way to get around the limitation is to use multiple sinks (i.e., have
multiple 1-1 connections).
Venkata
On Tue, 7 Jan 2003, sachin wrote:
> Well, Thank you guys for helping out. Well I have simulated many to one
> traffic scenario. Its works as expected and the log file in sink machine
> also supports the fact.
>
> Now the problem is how can I generate files from gengraph.pl with many
> client files and only one source file. If I try to cross each client file
> with the source file then it works with an warning and i have ill feeling
> the file so generated is never a valid one. So please help me out in this.
>
> Sachin
> ----- Original Message -----
> From: "sachin"
> To: "Venkata Pingali"
> Cc: "Barbara Denny" ;
> Sent: Tuesday, January 07, 2003 4:57 PM
> Subject: Re: [tg] data rate
>
>
> > Thank you,
> >
> > I have attached the files. The attachment contains log and well as dcat'd
> > files. I have send log files to get further information regarding the use
> of
> > gengraph.pl
> >
> > I have used one of the source files to get a stats.xpl (default name). I
> > wanted to view this file with the help of gnuplot and xplot. Well these
> > tools are installed in my windows machine. But non of these can read the
> > file format. Can you please tell me where I went wrong.
> >
> > Sachin
> > ----- Original Message -----
> > From: "Venkata Pingali"
> > To: "sachin"
> > Cc: "Barbara Denny" ;
> > Sent: Tuesday, January 07, 2003 4:08 PM
> > Subject: Re: [tg] data rate
> >
> >
> > >
> > > There is nothing fundamentally stopping one from running multiple
> sources
> > > provided it is within resource limits of the host. TG can accept
> multiple
> > > connections simultaneously. can you please send me the input tg files
> and
> > > the log file (or its dcat'd output) to my private email address? I will
> > > see if those files give me a hint.
> > >
> > > thanks.
> > > Venkata
> > >
> > > On Tue, 7 Jan 2003, sachin wrote:
> > > > Thank you.
> > > >
> > > > Is it possible to run more than 1 TG source in a single machine. Well
> I
> > have
> > > > tried it here. But the sink seems to accept packets from one source
> and
> > then
> > > > as this source stops transmitting it goes for another source. I have
> > > > realized this from the log file of the sink.
> > > >
> > > > Well my intention is to generate four concurrent traffic streams and
> > feed
> > > > them into IXP machine (which will be working as router) and will be
> > using
> > > > single sink.
> > > >
> > > > sachin
> > > >
> > > > ----- Original Message -----
> > > > From: "Barbara Denny"
> > > > To: "sachin" ;
> > > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > > Subject: Re: [tg] data rate
> > > >
> > > >
> > > > > The specification of the interarrival rate plus
> > > > > the packet size gives you the data rate.
> > > > >
> > > > > barbara
> > > > >
> > > > > --- sachin wrote:
> > > > > > Hi,
> > > > > >
> > > > > > I forgot to add one more query in the last email.
> > > > > > How can we explicitly give the data rate for
> > > > > > transmission. Well if there is no such provision how
> > > > > > are we suppose to provide data rate.
> > > > > >
> > > > > > Sachin
> > > > > >
> > > > >
> > > > >
> > > > > __________________________________________________
> > > > > Do you Yahoo!?
> > > > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > > > > http://mailplus.yahoo.com
> > > >
> > > >
> > > > _______________________________________________
> > > > tg mailing list
> > > > tg@postel.org
> > > > http://www.postel.org/mailman/listinfo/tg
> > > >
> > >
> >
>
>
> _______________________________________________
> tg mailing list
> tg@postel.org
> http://www.postel.org/mailman/listinfo/tg
>
From sachinls@netsys.kaist.ac.kr Wed Jan 8 02:28:10 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Wed, 8 Jan 2003 11:28:10 +0900
Subject: [tg] Regarding the many to one traffic flow
References: <20030107163738.I1995-100000@e.postel.org>
Message-ID: <00d701c2b6bd$974c4f30$b994f88f@sachincomp>
Thank You.
sachin
----- Original Message -----
From: "Venkata Pingali"
To: "sachin"
Cc: "Barbara Denny" ;
Sent: Wednesday, January 08, 2003 9:45 AM
Subject: Re: [tg] Regarding the many to one traffic flow
> Hi,
>
> I looked at the script, and looks like the script will be have to be
> extended to support multiple sources explicitly.
>
> One way to get around the limitation is to use multiple sinks (i.e., have
> multiple 1-1 connections).
>
> Venkata
>
> On Tue, 7 Jan 2003, sachin wrote:
> > Well, Thank you guys for helping out. Well I have simulated many to one
> > traffic scenario. Its works as expected and the log file in sink machine
> > also supports the fact.
> >
> > Now the problem is how can I generate files from gengraph.pl with many
> > client files and only one source file. If I try to cross each client
file
> > with the source file then it works with an warning and i have ill
feeling
> > the file so generated is never a valid one. So please help me out in
this.
> >
> > Sachin
> > ----- Original Message -----
> > From: "sachin"
> > To: "Venkata Pingali"
> > Cc: "Barbara Denny" ;
> > Sent: Tuesday, January 07, 2003 4:57 PM
> > Subject: Re: [tg] data rate
> >
> >
> > > Thank you,
> > >
> > > I have attached the files. The attachment contains log and well as
dcat'd
> > > files. I have send log files to get further information regarding the
use
> > of
> > > gengraph.pl
> > >
> > > I have used one of the source files to get a stats.xpl (default name).
I
> > > wanted to view this file with the help of gnuplot and xplot. Well
these
> > > tools are installed in my windows machine. But non of these can read
the
> > > file format. Can you please tell me where I went wrong.
> > >
> > > Sachin
> > > ----- Original Message -----
> > > From: "Venkata Pingali"
> > > To: "sachin"
> > > Cc: "Barbara Denny" ;
> > > Sent: Tuesday, January 07, 2003 4:08 PM
> > > Subject: Re: [tg] data rate
> > >
> > >
> > > >
> > > > There is nothing fundamentally stopping one from running multiple
> > sources
> > > > provided it is within resource limits of the host. TG can accept
> > multiple
> > > > connections simultaneously. can you please send me the input tg
files
> > and
> > > > the log file (or its dcat'd output) to my private email address? I
will
> > > > see if those files give me a hint.
> > > >
> > > > thanks.
> > > > Venkata
> > > >
> > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > Thank you.
> > > > >
> > > > > Is it possible to run more than 1 TG source in a single machine.
Well
> > I
> > > have
> > > > > tried it here. But the sink seems to accept packets from one
source
> > and
> > > then
> > > > > as this source stops transmitting it goes for another source. I
have
> > > > > realized this from the log file of the sink.
> > > > >
> > > > > Well my intention is to generate four concurrent traffic streams
and
> > > feed
> > > > > them into IXP machine (which will be working as router) and will
be
> > > using
> > > > > single sink.
> > > > >
> > > > > sachin
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Barbara Denny"
> > > > > To: "sachin" ;
> > > > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > > > Subject: Re: [tg] data rate
> > > > >
> > > > >
> > > > > > The specification of the interarrival rate plus
> > > > > > the packet size gives you the data rate.
> > > > > >
> > > > > > barbara
> > > > > >
> > > > > > --- sachin wrote:
> > > > > > > Hi,
> > > > > > >
> > > > > > > I forgot to add one more query in the last email.
> > > > > > > How can we explicitly give the data rate for
> > > > > > > transmission. Well if there is no such provision how
> > > > > > > are we suppose to provide data rate.
> > > > > > >
> > > > > > > Sachin
> > > > > > >
> > > > > >
> > > > > >
> > > > > > __________________________________________________
> > > > > > Do you Yahoo!?
> > > > > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > > > > > http://mailplus.yahoo.com
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > tg mailing list
> > > > > tg@postel.org
> > > > > http://www.postel.org/mailman/listinfo/tg
> > > > >
> > > >
> > >
> >
> >
> > _______________________________________________
> > tg mailing list
> > tg@postel.org
> > http://www.postel.org/mailman/listinfo/tg
> >
>
> _______________________________________________
> tg mailing list
> tg@postel.org
> http://www.postel.org/mailman/listinfo/tg
From sachinls@netsys.kaist.ac.kr Wed Jan 8 12:16:37 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Wed, 8 Jan 2003 21:16:37 +0900
Subject: [tg] Regarding the many to one traffic flow
References: <20030107163738.I1995-100000@e.postel.org>
Message-ID: <002101c2b70f$cb9a6180$b994f88f@sachincomp>
Hi,
I have two more questions regarding TG.
1. To what degree TG can immulate TCP protocol. Will the traffic be
dependent on congestion of the network for TCP and will the sndwin be
changed based on the congestion. Is it a closed loop system that has been
implimented in TG or is it the open loop system unlike actual TCP?
2. Another thing is what is the packet format for UDP and TCP generated by
TG?
Sachin
----- Original Message -----
From: "Venkata Pingali"
To: "sachin"
Cc: "Barbara Denny" ;
Sent: Wednesday, January 08, 2003 9:45 AM
Subject: Re: [tg] Regarding the many to one traffic flow
> Hi,
>
> I looked at the script, and looks like the script will be have to be
> extended to support multiple sources explicitly.
>
> One way to get around the limitation is to use multiple sinks (i.e., have
> multiple 1-1 connections).
>
> Venkata
>
> On Tue, 7 Jan 2003, sachin wrote:
> > Well, Thank you guys for helping out. Well I have simulated many to one
> > traffic scenario. Its works as expected and the log file in sink machine
> > also supports the fact.
> >
> > Now the problem is how can I generate files from gengraph.pl with many
> > client files and only one source file. If I try to cross each client
file
> > with the source file then it works with an warning and i have ill
feeling
> > the file so generated is never a valid one. So please help me out in
this.
> >
> > Sachin
> > ----- Original Message -----
> > From: "sachin"
> > To: "Venkata Pingali"
> > Cc: "Barbara Denny" ;
> > Sent: Tuesday, January 07, 2003 4:57 PM
> > Subject: Re: [tg] data rate
> >
> >
> > > Thank you,
> > >
> > > I have attached the files. The attachment contains log and well as
dcat'd
> > > files. I have send log files to get further information regarding the
use
> > of
> > > gengraph.pl
> > >
> > > I have used one of the source files to get a stats.xpl (default name).
I
> > > wanted to view this file with the help of gnuplot and xplot. Well
these
> > > tools are installed in my windows machine. But non of these can read
the
> > > file format. Can you please tell me where I went wrong.
> > >
> > > Sachin
> > > ----- Original Message -----
> > > From: "Venkata Pingali"
> > > To: "sachin"
> > > Cc: "Barbara Denny" ;
> > > Sent: Tuesday, January 07, 2003 4:08 PM
> > > Subject: Re: [tg] data rate
> > >
> > >
> > > >
> > > > There is nothing fundamentally stopping one from running multiple
> > sources
> > > > provided it is within resource limits of the host. TG can accept
> > multiple
> > > > connections simultaneously. can you please send me the input tg
files
> > and
> > > > the log file (or its dcat'd output) to my private email address? I
will
> > > > see if those files give me a hint.
> > > >
> > > > thanks.
> > > > Venkata
> > > >
> > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > Thank you.
> > > > >
> > > > > Is it possible to run more than 1 TG source in a single machine.
Well
> > I
> > > have
> > > > > tried it here. But the sink seems to accept packets from one
source
> > and
> > > then
> > > > > as this source stops transmitting it goes for another source. I
have
> > > > > realized this from the log file of the sink.
> > > > >
> > > > > Well my intention is to generate four concurrent traffic streams
and
> > > feed
> > > > > them into IXP machine (which will be working as router) and will
be
> > > using
> > > > > single sink.
> > > > >
> > > > > sachin
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Barbara Denny"
> > > > > To: "sachin" ;
> > > > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > > > Subject: Re: [tg] data rate
> > > > >
> > > > >
> > > > > > The specification of the interarrival rate plus
> > > > > > the packet size gives you the data rate.
> > > > > >
> > > > > > barbara
> > > > > >
> > > > > > --- sachin wrote:
> > > > > > > Hi,
> > > > > > >
> > > > > > > I forgot to add one more query in the last email.
> > > > > > > How can we explicitly give the data rate for
> > > > > > > transmission. Well if there is no such provision how
> > > > > > > are we suppose to provide data rate.
> > > > > > >
> > > > > > > Sachin
> > > > > > >
> > > > > >
> > > > > >
> > > > > > __________________________________________________
> > > > > > Do you Yahoo!?
> > > > > > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > > > > > http://mailplus.yahoo.com
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > tg mailing list
> > > > > tg@postel.org
> > > > > http://www.postel.org/mailman/listinfo/tg
> > > > >
> > > >
> > >
> >
> >
> > _______________________________________________
> > tg mailing list
> > tg@postel.org
> > http://www.postel.org/mailman/listinfo/tg
> >
>
> _______________________________________________
> tg mailing list
> tg@postel.org
> http://www.postel.org/mailman/listinfo/tg
From pingali@ISI.EDU Thu Jan 9 02:31:19 2003
From: pingali@ISI.EDU (Venkata Pingali)
Date: Wed, 8 Jan 2003 18:31:19 -0800 (PST)
Subject: [tg] Regarding the many to one traffic flow
In-Reply-To: <002201c2b783$c5466940$b994f88f@sachincomp>
Message-ID:
Hi,
The on-wire format of the packets are as follows:
UDP:
IP HDR : UDP HDR : SEQ NO : DATA
TCP:
IP HDR : TCP HDR : DATA
tg is like any other application on top of sockets. While sending
packets over UDP, tg adds a sequence number (4 bytes wide) to detect
losses.
Venkata
On Thu, 9 Jan 2003, sachin wrote:
> Can you please give the packet format (header) for both UDP and TCP?
> ----- Original Message -----
> From: "Barbara Denny"
> To: "sachin" ; "Venkata Pingali"
>
> Cc: "Barbara Denny" ;
> Sent: Thursday, January 09, 2003 1:15 AM
> Subject: Re: [tg] Regarding the many to one traffic flow
>
>
> > Hi,
> >
> > The TCP/UDP you get is dependent on what the operating
> > system supplies. TG does not do anything special
> > regarding transport protocols unless you have added
> > one of your own to TG. It makes socket calls to the
> > kernel to get whatever support it needs for these
> > protocols.
> >
> > barbara
> > --- sachin wrote:
> > > Hi,
> > >
> > > I have two more questions regarding TG.
> > >
> > > 1. To what degree TG can immulate TCP protocol. Will
> > > the traffic be
> > > dependent on congestion of the network for TCP and
> > > will the sndwin be
> > > changed based on the congestion. Is it a closed loop
> > > system that has been
> > > implimented in TG or is it the open loop system
> > > unlike actual TCP?
> > >
> > > 2. Another thing is what is the packet format for
> > > UDP and TCP generated by
> > > TG?
> > >
> > > Sachin
> > >
> > > ----- Original Message -----
> > > From: "Venkata Pingali"
> > > To: "sachin"
> > > Cc: "Barbara Denny" ;
> > >
> > > Sent: Wednesday, January 08, 2003 9:45 AM
> > > Subject: Re: [tg] Regarding the many to one traffic
> > > flow
> > >
> > >
> > > > Hi,
> > > >
> > > > I looked at the script, and looks like the script
> > > will be have to be
> > > > extended to support multiple sources explicitly.
> > > >
> > > > One way to get around the limitation is to use
> > > multiple sinks (i.e., have
> > > > multiple 1-1 connections).
> > > >
> > > > Venkata
> > > >
> > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > Well, Thank you guys for helping out. Well I
> > > have simulated many to one
> > > > > traffic scenario. Its works as expected and the
> > > log file in sink machine
> > > > > also supports the fact.
> > > > >
> > > > > Now the problem is how can I generate files from
> > > gengraph.pl with many
> > > > > client files and only one source file. If I try
> > > to cross each client
> > > file
> > > > > with the source file then it works with an
> > > warning and i have ill
> > > feeling
> > > > > the file so generated is never a valid one. So
> > > please help me out in
> > > this.
> > > > >
> > > > > Sachin
> > > > > ----- Original Message -----
> > > > > From: "sachin"
> > > > > To: "Venkata Pingali"
> > > > > Cc: "Barbara Denny" ;
> > >
> > > > > Sent: Tuesday, January 07, 2003 4:57 PM
> > > > > Subject: Re: [tg] data rate
> > > > >
> > > > >
> > > > > > Thank you,
> > > > > >
> > > > > > I have attached the files. The attachment
> > > contains log and well as
> > > dcat'd
> > > > > > files. I have send log files to get further
> > > information regarding the
> > > use
> > > > > of
> > > > > > gengraph.pl
> > > > > >
> > > > > > I have used one of the source files to get a
> > > stats.xpl (default name).
> > > I
> > > > > > wanted to view this file with the help of
> > > gnuplot and xplot. Well
> > > these
> > > > > > tools are installed in my windows machine. But
> > > non of these can read
> > > the
> > > > > > file format. Can you please tell me where I
> > > went wrong.
> > > > > >
> > > > > > Sachin
> > > > > > ----- Original Message -----
> > > > > > From: "Venkata Pingali"
> > > > > > To: "sachin"
> > > > > > Cc: "Barbara Denny" ;
> > >
> > > > > > Sent: Tuesday, January 07, 2003 4:08 PM
> > > > > > Subject: Re: [tg] data rate
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > There is nothing fundamentally stopping one
> > > from running multiple
> > > > > sources
> > > > > > > provided it is within resource limits of the
> > > host. TG can accept
> > > > > multiple
> > > > > > > connections simultaneously. can you please
> > > send me the input tg
> > > files
> > > > > and
> > > > > > > the log file (or its dcat'd output) to my
> > > private email address? I
> > > will
> > > > > > > see if those files give me a hint.
> > > > > > >
> > > > > > > thanks.
> > > > > > > Venkata
> > > > > > >
> > > > > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > > > > Thank you.
> > > > > > > >
> > > > > > > > Is it possible to run more than 1 TG
> > > source in a single machine.
> > > Well
> > > > > I
> > > > > > have
> > > > > > > > tried it here. But the sink seems to
> > > accept packets from one
> > > source
> > > > > and
> > > > > > then
> > > > > > > > as this source stops transmitting it goes
> > > for another source. I
> > > have
> > > > > > > > realized this from the log file of the
> > > sink.
> > > > > > > >
> > > > > > > > Well my intention is to generate four
> > > concurrent traffic streams
> > > and
> > > > > > feed
> > > > > > > > them into IXP machine (which will be
> > > working as router) and will
> > > be
> > > > > > using
> > > > > > > > single sink.
> > > > > > > >
> > > > > > > > sachin
> > > > > > > >
> > > > > > > > ----- Original Message -----
> > > > > > > > From: "Barbara Denny"
> > >
> > > > > > > > To: "sachin"
> > > ;
> > > > > > > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > > > > > > Subject: Re: [tg] data rate
> > > > > > > >
> > > > > > > >
> > > > > > > > > The specification of the interarrival
> > > rate plus
> > > > > > > > > the packet size gives you the data rate.
> > > > > > > > >
> > > > > > > > > barbara
> > > > > > > > >
> > > > > > > > > --- sachin
> > > wrote:
> > > > > > > > > > Hi,
> > > > > > > > > >
> > > > > > > > > > I forgot to add one more query in the
> > > last email.
> > > > > > > > > > How can we explicitly give the data
> > > rate for
> > > > > > > > > > transmission. Well if there is no such
> > > provision how
> > > > > > > > > > are we suppose to provide data rate.
> > > > > > > > > >
> > > > > > > > > > Sachin
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > __________________________________________________
> > > > > > > > > Do you Yahoo!?
> > > > > > > > > Yahoo! Mail Plus - Powerful. Affordable.
> > > Sign up now.
> > > > > > > > > http://mailplus.yahoo.com
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > _______________________________________________
> > > > > > > > tg mailing list
> > > > > > > > tg@postel.org
> > > > > > > > http://www.postel.org/mailman/listinfo/tg
> > > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > >
> > === message truncated ===
> >
> >
> > __________________________________________________
> > Do you Yahoo!?
> > Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> > http://mailplus.yahoo.com
>
>
From b_a_denny@yahoo.com Thu Jan 9 07:14:41 2003
From: b_a_denny@yahoo.com (Barbara Denny)
Date: Wed, 8 Jan 2003 23:14:41 -0800 (PST)
Subject: [tg] Regarding the many to one traffic flow
In-Reply-To: <002201c2b783$c5466940$b994f88f@sachincomp>
Message-ID: <20030109071441.66768.qmail@web14306.mail.yahoo.com>
Please look at the relevant RFCs for the definition
(go to www.ietf.org). This list is for questions on
TG.
barbara
--- sachin wrote:
> Can you please give the packet format (header) for
> both UDP and TCP?
> ----- Original Message -----
> From: "Barbara Denny"
> To: "sachin" ; "Venkata
> Pingali"
>
> Cc: "Barbara Denny" ;
>
> Sent: Thursday, January 09, 2003 1:15 AM
> Subject: Re: [tg] Regarding the many to one traffic
> flow
>
>
> > Hi,
> >
> > The TCP/UDP you get is dependent on what the
> operating
> > system supplies. TG does not do anything special
> > regarding transport protocols unless you have
> added
> > one of your own to TG. It makes socket calls to
> the
> > kernel to get whatever support it needs for these
> > protocols.
> >
> > barbara
> > --- sachin wrote:
> > > Hi,
> > >
> > > I have two more questions regarding TG.
> > >
> > > 1. To what degree TG can immulate TCP protocol.
> Will
> > > the traffic be
> > > dependent on congestion of the network for TCP
> and
> > > will the sndwin be
> > > changed based on the congestion. Is it a closed
> loop
> > > system that has been
> > > implimented in TG or is it the open loop system
> > > unlike actual TCP?
> > >
> > > 2. Another thing is what is the packet format
> for
> > > UDP and TCP generated by
> > > TG?
> > >
> > > Sachin
> > >
> > > ----- Original Message -----
> > > From: "Venkata Pingali"
> > > To: "sachin"
> > > Cc: "Barbara Denny" ;
> > >
> > > Sent: Wednesday, January 08, 2003 9:45 AM
> > > Subject: Re: [tg] Regarding the many to one
> traffic
> > > flow
> > >
> > >
> > > > Hi,
> > > >
> > > > I looked at the script, and looks like the
> script
> > > will be have to be
> > > > extended to support multiple sources
> explicitly.
> > > >
> > > > One way to get around the limitation is to use
> > > multiple sinks (i.e., have
> > > > multiple 1-1 connections).
> > > >
> > > > Venkata
> > > >
> > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > Well, Thank you guys for helping out. Well I
> > > have simulated many to one
> > > > > traffic scenario. Its works as expected and
> the
> > > log file in sink machine
> > > > > also supports the fact.
> > > > >
> > > > > Now the problem is how can I generate files
> from
> > > gengraph.pl with many
> > > > > client files and only one source file. If I
> try
> > > to cross each client
> > > file
> > > > > with the source file then it works with an
> > > warning and i have ill
> > > feeling
> > > > > the file so generated is never a valid one.
> So
> > > please help me out in
> > > this.
> > > > >
> > > > > Sachin
> > > > > ----- Original Message -----
> > > > > From: "sachin"
> > > > > To: "Venkata Pingali"
> > > > > Cc: "Barbara Denny" ;
> > >
> > > > > Sent: Tuesday, January 07, 2003 4:57 PM
> > > > > Subject: Re: [tg] data rate
> > > > >
> > > > >
> > > > > > Thank you,
> > > > > >
> > > > > > I have attached the files. The attachment
> > > contains log and well as
> > > dcat'd
> > > > > > files. I have send log files to get
> further
> > > information regarding the
> > > use
> > > > > of
> > > > > > gengraph.pl
> > > > > >
> > > > > > I have used one of the source files to get
> a
> > > stats.xpl (default name).
> > > I
> > > > > > wanted to view this file with the help of
> > > gnuplot and xplot. Well
> > > these
> > > > > > tools are installed in my windows machine.
> But
> > > non of these can read
> > > the
> > > > > > file format. Can you please tell me where
> I
> > > went wrong.
> > > > > >
> > > > > > Sachin
> > > > > > ----- Original Message -----
> > > > > > From: "Venkata Pingali"
> > > > > > To: "sachin"
> > > > > > Cc: "Barbara Denny" ;
> > >
> > > > > > Sent: Tuesday, January 07, 2003 4:08 PM
> > > > > > Subject: Re: [tg] data rate
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > There is nothing fundamentally stopping
> one
> > > from running multiple
> > > > > sources
> > > > > > > provided it is within resource limits of
> the
> > > host. TG can accept
> > > > > multiple
> > > > > > > connections simultaneously. can you
> please
> > > send me the input tg
> > > files
> > > > > and
> > > > > > > the log file (or its dcat'd output) to
> my
> > > private email address? I
> > > will
> > > > > > > see if those files give me a hint.
> > > > > > >
> > > > > > > thanks.
> > > > > > > Venkata
> > > > > > >
> > > > > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > > > > Thank you.
> > > > > > > >
> > > > > > > > Is it possible to run more than 1 TG
> > > source in a single machine.
> > > Well
> > > > > I
> > > > > > have
> > > > > > > > tried it here. But the sink seems to
> > > accept packets from one
> > > source
> > > > > and
> > > > > > then
> > > > > > > > as this source stops transmitting it
> goes
> > > for another source. I
> > > have
> > > > > > > > realized this from the log file of the
> > > sink.
> > > > > > > >
> > > > > > > > Well my intention is to generate four
> > > concurrent traffic streams
> > > and
> > > > > > feed
> > > > > > > > them into IXP machine (which will be
> > > working as router) and will
> > > be
> > > > > > using
> > > > > > > > single sink.
> > > > > > > >
> > > > > > > > sachin
> > > > > > > >
>
=== message truncated ===
P
__________________________________________________
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Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
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From b_a_denny@yahoo.com Wed Jan 8 16:15:53 2003
From: b_a_denny@yahoo.com (Barbara Denny)
Date: Wed, 8 Jan 2003 08:15:53 -0800 (PST)
Subject: [tg] Regarding the many to one traffic flow
In-Reply-To: <002101c2b70f$cb9a6180$b994f88f@sachincomp>
Message-ID: <20030108161553.19496.qmail@web14303.mail.yahoo.com>
Hi,
The TCP/UDP you get is dependent on what the operating
system supplies. TG does not do anything special
regarding transport protocols unless you have added
one of your own to TG. It makes socket calls to the
kernel to get whatever support it needs for these
protocols.
barbara
--- sachin wrote:
> Hi,
>
> I have two more questions regarding TG.
>
> 1. To what degree TG can immulate TCP protocol. Will
> the traffic be
> dependent on congestion of the network for TCP and
> will the sndwin be
> changed based on the congestion. Is it a closed loop
> system that has been
> implimented in TG or is it the open loop system
> unlike actual TCP?
>
> 2. Another thing is what is the packet format for
> UDP and TCP generated by
> TG?
>
> Sachin
>
> ----- Original Message -----
> From: "Venkata Pingali"
> To: "sachin"
> Cc: "Barbara Denny" ;
>
> Sent: Wednesday, January 08, 2003 9:45 AM
> Subject: Re: [tg] Regarding the many to one traffic
> flow
>
>
> > Hi,
> >
> > I looked at the script, and looks like the script
> will be have to be
> > extended to support multiple sources explicitly.
> >
> > One way to get around the limitation is to use
> multiple sinks (i.e., have
> > multiple 1-1 connections).
> >
> > Venkata
> >
> > On Tue, 7 Jan 2003, sachin wrote:
> > > Well, Thank you guys for helping out. Well I
> have simulated many to one
> > > traffic scenario. Its works as expected and the
> log file in sink machine
> > > also supports the fact.
> > >
> > > Now the problem is how can I generate files from
> gengraph.pl with many
> > > client files and only one source file. If I try
> to cross each client
> file
> > > with the source file then it works with an
> warning and i have ill
> feeling
> > > the file so generated is never a valid one. So
> please help me out in
> this.
> > >
> > > Sachin
> > > ----- Original Message -----
> > > From: "sachin"
> > > To: "Venkata Pingali"
> > > Cc: "Barbara Denny" ;
>
> > > Sent: Tuesday, January 07, 2003 4:57 PM
> > > Subject: Re: [tg] data rate
> > >
> > >
> > > > Thank you,
> > > >
> > > > I have attached the files. The attachment
> contains log and well as
> dcat'd
> > > > files. I have send log files to get further
> information regarding the
> use
> > > of
> > > > gengraph.pl
> > > >
> > > > I have used one of the source files to get a
> stats.xpl (default name).
> I
> > > > wanted to view this file with the help of
> gnuplot and xplot. Well
> these
> > > > tools are installed in my windows machine. But
> non of these can read
> the
> > > > file format. Can you please tell me where I
> went wrong.
> > > >
> > > > Sachin
> > > > ----- Original Message -----
> > > > From: "Venkata Pingali"
> > > > To: "sachin"
> > > > Cc: "Barbara Denny" ;
>
> > > > Sent: Tuesday, January 07, 2003 4:08 PM
> > > > Subject: Re: [tg] data rate
> > > >
> > > >
> > > > >
> > > > > There is nothing fundamentally stopping one
> from running multiple
> > > sources
> > > > > provided it is within resource limits of the
> host. TG can accept
> > > multiple
> > > > > connections simultaneously. can you please
> send me the input tg
> files
> > > and
> > > > > the log file (or its dcat'd output) to my
> private email address? I
> will
> > > > > see if those files give me a hint.
> > > > >
> > > > > thanks.
> > > > > Venkata
> > > > >
> > > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > > Thank you.
> > > > > >
> > > > > > Is it possible to run more than 1 TG
> source in a single machine.
> Well
> > > I
> > > > have
> > > > > > tried it here. But the sink seems to
> accept packets from one
> source
> > > and
> > > > then
> > > > > > as this source stops transmitting it goes
> for another source. I
> have
> > > > > > realized this from the log file of the
> sink.
> > > > > >
> > > > > > Well my intention is to generate four
> concurrent traffic streams
> and
> > > > feed
> > > > > > them into IXP machine (which will be
> working as router) and will
> be
> > > > using
> > > > > > single sink.
> > > > > >
> > > > > > sachin
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > From: "Barbara Denny"
>
> > > > > > To: "sachin"
> ;
> > > > > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > > > > Subject: Re: [tg] data rate
> > > > > >
> > > > > >
> > > > > > > The specification of the interarrival
> rate plus
> > > > > > > the packet size gives you the data rate.
> > > > > > >
> > > > > > > barbara
> > > > > > >
> > > > > > > --- sachin
> wrote:
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > I forgot to add one more query in the
> last email.
> > > > > > > > How can we explicitly give the data
> rate for
> > > > > > > > transmission. Well if there is no such
> provision how
> > > > > > > > are we suppose to provide data rate.
> > > > > > > >
> > > > > > > > Sachin
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> __________________________________________________
> > > > > > > Do you Yahoo!?
> > > > > > > Yahoo! Mail Plus - Powerful. Affordable.
> Sign up now.
> > > > > > > http://mailplus.yahoo.com
> > > > > >
> > > > > >
> > > > > >
> _______________________________________________
> > > > > > tg mailing list
> > > > > > tg@postel.org
> > > > > > http://www.postel.org/mailman/listinfo/tg
> > > > > >
> > > > >
> > > >
> > >
>
=== message truncated ===
__________________________________________________
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From sachinls@netsys.kaist.ac.kr Thu Jan 9 02:06:48 2003
From: sachinls@netsys.kaist.ac.kr (sachin)
Date: Thu, 9 Jan 2003 11:06:48 +0900
Subject: [tg] Regarding the many to one traffic flow
References: <20030108161553.19496.qmail@web14303.mail.yahoo.com>
Message-ID: <002201c2b783$c5466940$b994f88f@sachincomp>
Can you please give the packet format (header) for both UDP and TCP?
----- Original Message -----
From: "Barbara Denny"
To: "sachin" ; "Venkata Pingali"
Cc: "Barbara Denny" ;
Sent: Thursday, January 09, 2003 1:15 AM
Subject: Re: [tg] Regarding the many to one traffic flow
> Hi,
>
> The TCP/UDP you get is dependent on what the operating
> system supplies. TG does not do anything special
> regarding transport protocols unless you have added
> one of your own to TG. It makes socket calls to the
> kernel to get whatever support it needs for these
> protocols.
>
> barbara
> --- sachin wrote:
> > Hi,
> >
> > I have two more questions regarding TG.
> >
> > 1. To what degree TG can immulate TCP protocol. Will
> > the traffic be
> > dependent on congestion of the network for TCP and
> > will the sndwin be
> > changed based on the congestion. Is it a closed loop
> > system that has been
> > implimented in TG or is it the open loop system
> > unlike actual TCP?
> >
> > 2. Another thing is what is the packet format for
> > UDP and TCP generated by
> > TG?
> >
> > Sachin
> >
> > ----- Original Message -----
> > From: "Venkata Pingali"
> > To: "sachin"
> > Cc: "Barbara Denny" ;
> >
> > Sent: Wednesday, January 08, 2003 9:45 AM
> > Subject: Re: [tg] Regarding the many to one traffic
> > flow
> >
> >
> > > Hi,
> > >
> > > I looked at the script, and looks like the script
> > will be have to be
> > > extended to support multiple sources explicitly.
> > >
> > > One way to get around the limitation is to use
> > multiple sinks (i.e., have
> > > multiple 1-1 connections).
> > >
> > > Venkata
> > >
> > > On Tue, 7 Jan 2003, sachin wrote:
> > > > Well, Thank you guys for helping out. Well I
> > have simulated many to one
> > > > traffic scenario. Its works as expected and the
> > log file in sink machine
> > > > also supports the fact.
> > > >
> > > > Now the problem is how can I generate files from
> > gengraph.pl with many
> > > > client files and only one source file. If I try
> > to cross each client
> > file
> > > > with the source file then it works with an
> > warning and i have ill
> > feeling
> > > > the file so generated is never a valid one. So
> > please help me out in
> > this.
> > > >
> > > > Sachin
> > > > ----- Original Message -----
> > > > From: "sachin"
> > > > To: "Venkata Pingali"
> > > > Cc: "Barbara Denny" ;
> >
> > > > Sent: Tuesday, January 07, 2003 4:57 PM
> > > > Subject: Re: [tg] data rate
> > > >
> > > >
> > > > > Thank you,
> > > > >
> > > > > I have attached the files. The attachment
> > contains log and well as
> > dcat'd
> > > > > files. I have send log files to get further
> > information regarding the
> > use
> > > > of
> > > > > gengraph.pl
> > > > >
> > > > > I have used one of the source files to get a
> > stats.xpl (default name).
> > I
> > > > > wanted to view this file with the help of
> > gnuplot and xplot. Well
> > these
> > > > > tools are installed in my windows machine. But
> > non of these can read
> > the
> > > > > file format. Can you please tell me where I
> > went wrong.
> > > > >
> > > > > Sachin
> > > > > ----- Original Message -----
> > > > > From: "Venkata Pingali"
> > > > > To: "sachin"
> > > > > Cc: "Barbara Denny" ;
> >
> > > > > Sent: Tuesday, January 07, 2003 4:08 PM
> > > > > Subject: Re: [tg] data rate
> > > > >
> > > > >
> > > > > >
> > > > > > There is nothing fundamentally stopping one
> > from running multiple
> > > > sources
> > > > > > provided it is within resource limits of the
> > host. TG can accept
> > > > multiple
> > > > > > connections simultaneously. can you please
> > send me the input tg
> > files
> > > > and
> > > > > > the log file (or its dcat'd output) to my
> > private email address? I
> > will
> > > > > > see if those files give me a hint.
> > > > > >
> > > > > > thanks.
> > > > > > Venkata
> > > > > >
> > > > > > On Tue, 7 Jan 2003, sachin wrote:
> > > > > > > Thank you.
> > > > > > >
> > > > > > > Is it possible to run more than 1 TG
> > source in a single machine.
> > Well
> > > > I
> > > > > have
> > > > > > > tried it here. But the sink seems to
> > accept packets from one
> > source
> > > > and
> > > > > then
> > > > > > > as this source stops transmitting it goes
> > for another source. I
> > have
> > > > > > > realized this from the log file of the
> > sink.
> > > > > > >
> > > > > > > Well my intention is to generate four
> > concurrent traffic streams
> > and
> > > > > feed
> > > > > > > them into IXP machine (which will be
> > working as router) and will
> > be
> > > > > using
> > > > > > > single sink.
> > > > > > >
> > > > > > > sachin
> > > > > > >
> > > > > > > ----- Original Message -----
> > > > > > > From: "Barbara Denny"
> >
> > > > > > > To: "sachin"
> > ;
> > > > > > > Sent: Tuesday, January 07, 2003 2:47 PM
> > > > > > > Subject: Re: [tg] data rate
> > > > > > >
> > > > > > >
> > > > > > > > The specification of the interarrival
> > rate plus
> > > > > > > > the packet size gives you the data rate.
> > > > > > > >
> > > > > > > > barbara
> > > > > > > >
> > > > > > > > --- sachin
> > wrote:
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > I forgot to add one more query in the
> > last email.
> > > > > > > > > How can we explicitly give the data
> > rate for
> > > > > > > > > transmission. Well if there is no such
> > provision how
> > > > > > > > > are we suppose to provide data rate.
> > > > > > > > >
> > > > > > > > > Sachin
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > __________________________________________________
> > > > > > > > Do you Yahoo!?
> > > > > > > > Yahoo! Mail Plus - Powerful. Affordable.
> > Sign up now.
> > > > > > > > http://mailplus.yahoo.com
> > > > > > >
> > > > > > >
> > > > > > >
> > _______________________________________________
> > > > > > > tg mailing list
> > > > > > > tg@postel.org
> > > > > > > http://www.postel.org/mailman/listinfo/tg
> > > > > > >
> > > > > >
> > > > >
> > > >
> >
> === message truncated ===
>
>
> __________________________________________________
> Do you Yahoo!?
> Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
> http://mailplus.yahoo.com