<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:10pt"><DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif">Excellent point, Lachlan. We have also experienced "slowness" of Web Service transactions...I second that...</DIV>
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<DIV style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman, new york, times, serif">Dirceu<BR><BR></DIV>
<DIV style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">----- Original Message ----<BR>From: Lachlan Andrew <lachlan.andrew@gmail.com><BR>To: Dirceu Cavendish <dirceu_cavendish@yahoo.com><BR>Cc: iccrg@cs.ucl.ac.uk<BR>Sent: Wednesday, March 26, 2008 11:32:52 AM<BR>Subject: Re: [Iccrg] SSDT Scope<BR><BR>On 26/03/2008, Dirceu Cavendish <<A href="mailto:dirceu_cavendish@yahoo.com" ymailto="mailto:dirceu_cavendish@yahoo.com">dirceu_cavendish@yahoo.com</A>> wrote:<BR>><BR>> Our "pain points" are:<BR>><BR>> - multiple segment losses in high bandwidth delay product networks, when SS<BR>> opens the cwnd to a large value right before transitioning from SS to CA.<BR>> This typically causes multiple RTOs...<BR>> - Unfairness with different session RTTs.<BR>><BR>> Feel free to add yours.<BR><BR>I'd add excessively slow start-up on large BDP underutilized paths.<BR>That is the cause of excessive
file completion times for SS-dominated<BR>flows.<BR><BR>Lachlan<BR><BR>-- <BR>Lachlan Andrew Dept of Computer Science, Caltech<BR>1200 E California Blvd, Mail Code 256-80, Pasadena CA 91125, USA<BR>Ph: +1 (626) 395-8820 Fax: +1 (626) 568-3603<BR><A href="http://netlab.caltech.edu/lachlan" target=_blank>http://netlab.caltech.edu/lachlan</A><BR></DIV>
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