Re: [Tsvwg] Re: [e2e] What's the benefit of out-of-order processi
"Michael A. Ramalho" <mramalho@cisco.com> Thu, 20 September 2001 14:26 UTC
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Date: Thu, 20 Sep 2001 10:09:47 -0400
To: Sam Liang <sliang@DSG.Stanford.EDU>, Venkata.Naidu@marconi.com
From: "Michael A. Ramalho" <mramalho@cisco.com>
Subject: Re: [Tsvwg] Re: [e2e] What's the benefit of out-of-order processi
Cc: xieqb@cig.mot.com, craig@aland.bbn.com, sliang@DSG.Stanford.EDU, tsvwg@ietf.org, end2end-interest@postel.org
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At 06:25 PM 9/17/2001 -0700, Sam Liang wrote: >Venkata, > > I took a look at the documents you suggested. The first two >(atm2000.pdf and sld009.htm) presented some data to show that SCTP is TCP >friendly. But I saw no experiements done and no data presented to show >TCP's alleged problem of head-of-line blocking and delay. Paul Lin (of Telcordia Technologies then) showed several plots depicting the problem at the first sigtran meeting (or maybe the BOF that led to sigtran's creation). The "alleged" problem is real for transactions stuck behind the blocked/dropped segment. Maybe Paul's slides they are archived in the sigtran meeting minutes. I think Paul is now at Intel ... but do not know if he is on tsvwg. > Also, doesn't TCP's urgent pointer offer a means to deliver out-of-band >data? > >Sam > > > > > > All: > > > > Interested guys can look at SCTP Performance over TCP > > (How strict ordering introduces head of line blocking and delay) > > http://tdrwww.exp-math.uni-essen.de/pages/forschung/atm2000.pdf > > http://www.ietf.org/proceedings/00jul/SLIDES/sigtran-bakeoff/sld009.htm > > > > Yes! Megaco/H.248 over SCTP has been proposed! > > http://www.ietf.org/proceedings/00dec/I-D/draft-ietf-megaco-h248h-00.txt > > > > There were proposal for SIP & LDP over SCTP but not accepted! > > http://www.ietf.org/internet-drafts/draft-rosenberg-sip-sctp-01.txt > > > > --Venkata Naidu > >_______________________________________________ >tsvwg mailing list >tsvwg@ietf.org >http://www1.ietf.org/mailman/listinfo/tsvwg Michael A. Ramalho, Ph.D. Office email: mramalho@cisco.com Personal email: mar42@cornell.edu Office: +1.732.449.5762 Cell: +1.732.809.0188 _______________________________________________ tsvwg mailing list tsvwg@ietf.org http://www1.ietf.org/mailman/listinfo/tsvwg
- RE: [Tsvwg] Re: [e2e] What's the benefit of out-o… Naidu, Venkata
- Re: [Tsvwg] Re: [e2e] What's the benefit of out-o… Sam Liang
- Re: [Tsvwg] Re: [e2e] What's the benefit of out-o… Jacob Heitz
- Re: [Tsvwg] Re: [e2e] What's the benefit of out-o… John Wroclawski
- Re: [Tsvwg] Re: [e2e] What's the benefit of out-o… David P. Reed
- Re: [Tsvwg] Re: [e2e] What's the benefit of out-o… Michael A. Ramalho