[e2e] Clock Synchronization Protocols/Algorithms
Bill Manning
bmanning at ISI.EDU
Wed Oct 31 12:43:03 PST 2001
How accurate do you need? NTP can be very precise.
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% Hi Bob
%
% I know about NTP. I am looking for other protocols that can provide more
% accurate clock synchronization.
%
% Thanks
%
% Hesham
%
% -----Original Message-----
% From: Bob Braden [mailto:braden at ISI.EDU]
% Sent: Wednesday, October 31, 2001 12:00 PM
% To: end2end-interest at postel.org; Elbakoury, Hesham [SC5:323:EXCH]
% Subject: Re: [e2e] Clock Synchronization Protocols/Algorithms
%
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% *> From end2end-interest-admin at postel.org Wed Oct 31 11:55:34 2001
% *> From: "Hesham Elbakoury" <helbakou at nortelnetworks.com>
% *> To: end2end-interest at postel.org
% *> Importance: high
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% *> X-Orig: <helbakou at americasm06.nt.com>
% *> Subject: [e2e] Clock Synchronization Protocols/Algorithms
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% *> Date: Wed, 31 Oct 2001 11:51:01 -0800
% *>
% *>
% *> I am interested to find out what are the protocols (e.g. NTP) that
% are
% *> developed for clock synchronization and their methods
% *> to reduce/eliminate the effect of jitter in the distribution of
% *> clock/timestamp informations. This jitter is due to queuing delays and
% *> S/W packet processing overhead.
% *>
% *> Thanks
% *>
% *> Hesham
%
% Go to the RFC Editor Web page www.rfc-editor.org and search for "NTP".
%
% Bob Braden
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% <P><FONT SIZE=3D2>Hi Bob</FONT>
% </P>
%
% <P><FONT SIZE=3D2> I know about NTP. I am looking for other =
% protocols that can provide more accurate clock synchronization.</FONT>
% </P>
%
% <P><FONT SIZE=3D2> Thanks</FONT>
% </P>
%
% <P><FONT SIZE=3D2> Hesham</FONT>
% </P>
%
% <P><FONT SIZE=3D2>-----Original Message-----</FONT>
% <BR><FONT SIZE=3D2>From: Bob Braden [<A =
% HREF=3D"mailto:braden at ISI.EDU">mailto:braden at ISI.EDU</A>]</FONT>
% <BR><FONT SIZE=3D2>Sent: Wednesday, October 31, 2001 12:00 PM</FONT>
% <BR><FONT SIZE=3D2>To: end2end-interest at postel.org; Elbakoury, Hesham =
% [SC5:323:EXCH]</FONT>
% <BR><FONT SIZE=3D2>Subject: Re: [e2e] Clock Synchronization =
% Protocols/Algorithms</FONT>
% </P>
% <BR>
% <BR>
%
% <P><FONT SIZE=3D2> *> From =
% end2end-interest-admin at postel.org Wed Oct 31 11:55:34 2001</FONT>
% <BR><FONT SIZE=3D2> *> From: "Hesham Elbakoury" =
% <helbakou at nortelnetworks.com></FONT>
% <BR><FONT SIZE=3D2> *> To: end2end-interest at postel.org</FONT>
% <BR><FONT SIZE=3D2> *> Importance: high</FONT>
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% <BR><FONT SIZE=3D2> *> X-Orig: =
% <helbakou at americasm06.nt.com></FONT>
% <BR><FONT SIZE=3D2> *> Subject: [e2e] Clock Synchronization =
% Protocols/Algorithms</FONT>
% <BR><FONT SIZE=3D2> *> X-BeenThere: =
% end2end-interest at postel.org</FONT>
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% gt;</FONT>
% <BR><FONT SIZE=3D2> *> Date: Wed, 31 Oct 2001 11:51:01 =
% -0800</FONT>
% <BR><FONT SIZE=3D2> *> </FONT>
% <BR><FONT SIZE=3D2> *> </FONT>
% <BR><FONT SIZE=3D2> *> I am interested to =
% find out what are the protocols (e.g. NTP) that are</FONT>
% <BR><FONT SIZE=3D2> *> developed for clock synchronization and =
% their methods </FONT>
% <BR><FONT SIZE=3D2> *> to reduce/eliminate =
% the effect of jitter in the distribution of</FONT>
% <BR><FONT SIZE=3D2> *> clock/timestamp informations. This =
% jitter is due to queuing delays and</FONT>
% <BR><FONT SIZE=3D2> *> S/W packet processing =
% overhead.</FONT>
% <BR><FONT SIZE=3D2> *> </FONT>
% <BR><FONT SIZE=3D2> *> Thanks</FONT>
% <BR><FONT SIZE=3D2> *> </FONT>
% <BR><FONT SIZE=3D2> *> Hesham</FONT>
% </P>
%
% <P><FONT SIZE=3D2>Go to the RFC Editor Web page www.rfc-editor.org and =
% search for "NTP".</FONT>
% </P>
%
% <P><FONT SIZE=3D2>Bob Braden</FONT>
% </P>
%
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--
--bill
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