[e2e] Discrete IP

Sat Sep 15 10:47:25 PDT 2012

No this is wrong. Check the paper please. The routers run only one IP.

Never change a core router. Never change an existing Internet.

Add another Internet IPv6 or IPv7 is you wish as you wish.

Cheers,

On Sat, Sep 15, 2012 at 5:43 PM, Daniel Havey <dhavey at yahoo.com> wrote:

> a simple soho-box which may well play
> > around with NAT and congestion management and queue
> > management and all these funny little things which PhD
> > students change the world with, without being noticed by the
> > latter.
>
> Hey Detlaf ;^)  How did you guess what I have been doing over the summer?
>
> > > What do you mean by "parallel"? Why do you assume that
> > the protocols will be run in "parallel?"
>
> I got this one.  At the core routers the different IPvXs would have to run
> in parallel.  The header format is different because of address lengths
> etc.  The router must examine the version number and then act
> appropriately.  The router must understand the header format of all packets
> that it will forward.
>
> You have a chicken, and you have an egg.  Why would a company like Cisco
> build routers that understand IPv7 - IPv42?  They built IPv6 in because
> they had a solid business reason.  There weren't enough IPv4 addresses.
>  IPv6 = more customers.  So they built it and then the customers bought it.
>
> Since there are plenty of IPv6 addresses, all that is left to convince the
> core to change is some random "feature set".  Not a very strong business
> reason.  They will not build it.
>
> You can change the world, but you cannot change a core router ;^)
>
> ...Daniel (PhD student, who is busy changing the world ;^)
>
>
> --- On Sat, 9/15/12, Detlef Bosau <detlef.bosau at web.de> wrote:
>
> > From: Detlef Bosau <detlef.bosau at web.de>
> > Subject: Re: [e2e] Discrete IP
> > To:
> > Cc: end2end-interest at postel.org
> > Date: Saturday, September 15, 2012, 6:20 AM
> > On 09/15/2012 06:52 AM, Pars Mutaf
> > wrote:
> > > Hi Detlef,
> > >
> > > On Sat, Sep 15, 2012 at 2:35 AM, Detlef Bosau <detlef.bosau at web.de
> > <mailto:detlef.bosau at web.de>>
> > wrote:
> > >
> > >     On 09/13/2012 06:38 AM, Pars
> > Mutaf wrote:
> > >
> > >         Hi Andrew,
> > >
> > >         China has IPv6
> > for example but I cannot talk to them.
> > >         I don't have to
> > install IPv6 to talk to them. If one day
> > >         someone uses IPv7
> > (it is their right), I don't have to install
> > >         IPv7.
> > >         The fact that
> > there is a version field doesn't mean that all
> > >         versions are
> > supported.
> > >
> > >
> > >     I think, you miss two basic
> > points.
> > >
> > >     First: There is no such thing
> > as "the" end to end principle.
> > >     Particularly, Internet
> > communication is nothing which happens
> > >     between the communication end
> > points and only there, but most of
> > >     the work is done at the nodes
> > in between.
> > >
> > >
> > >
> > > This contradicts what you say below. Below you say that
> > you want to avoid this complexity. Here you say that this
> > the way it is. So I don't understand you message.
> > >
> >
> >
> > I don't see a contradiction here. Avoiding complexity does
> > not mean that complexity does not exist.
> >
> > End nodes hardly have to deal with packets. Every now and
> > then, there is a packet to be sent or to be received. So,
> > end nodes have any time they want to inspect packets, to
> > interpret them, whatever they want. Routers in the middle
> > miss this privilege. They may be offered up to millions of
> > packets each and every second. So, the effort spent for
> > serving a single packet must be kept as small as possible.
> >
> > And of course, there is a huge difference between a core
> > router in the tier 1 backbone, which has to deal with huge
> > amounts of data, and a simple soho-box which may well play
> > around with NAT and congestion management and queue
> > management and all these funny little things which PhD
> > students change the world with, without being noticed by the
> > latter.
> >
> > Hence, although the IETF cannot make the world run IPv6, our
> > common interest is to switch over to one common protocol in
> > the internet. At least for the tier 1 backbone or other
> > extremely busy parts of the Internet.
> > >
> > >
> > >     Second: The Internet is an
> > overlay network by design. We want ONE
> > >     common protocol which is
> > supported by all nodes connected to this
> > >     overlay network. Particularly,
> > it shall not be the intention of
> > >     the Internet to run several
> > protocols in parallel. Nevertheless,
> > >     this happened in the past,
> > happens in the present and is expected
> > >     to happen in the future,
> > however it is not the basic intention.
> > >     The more protocols you run in
> > parallel, the more complex your
> > >     intermediate nodes, which do
> > all the routing work, will be. And
> > >     it's certainly not our goal to
> > make thinks unnecessarily complex.
> > >
> > >
> > > What do you mean by "parallel"? Why do you assume that
> > the protocols will be run in "parallel?"
> > >
> > >
> > >
> > >
> > >
> > >     DB
> > >
> > >
> > >     --
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> > >
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> > >
> >
> >
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> > >
> >
> >
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> > >     detlef.bosau at web.de
> > <mailto:detlef.bosau at web.de>
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> > >
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