[Iccrg] SSDT Scope

Dirceu Cavendish dirceu_cavendish at yahoo.com
Wed Mar 26 18:50:31 GMT 2008


Excellent point, Lachlan. We have also experienced "slowness" of Web Service transactions...I second that...

Dirceu


----- Original Message ----
From: Lachlan Andrew <lachlan.andrew at gmail.com>
To: Dirceu Cavendish <dirceu_cavendish at yahoo.com>
Cc: iccrg at cs.ucl.ac.uk
Sent: Wednesday, March 26, 2008 11:32:52 AM
Subject: Re: [Iccrg] SSDT Scope

On 26/03/2008, Dirceu Cavendish <dirceu_cavendish at yahoo.com> wrote:
>
> Our "pain points" are:
>
> - multiple segment losses in high bandwidth delay product networks, when SS
> opens the cwnd to a large value right before transitioning from SS to CA.
> This typically causes multiple RTOs...
> - Unfairness with different session RTTs.
>
> Feel free to add yours.

I'd add excessively slow start-up on large BDP underutilized paths.
That is the cause of excessive file completion times for SS-dominated
flows.

Lachlan

-- 
Lachlan Andrew  Dept of Computer Science, Caltech
1200 E California Blvd, Mail Code 256-80, Pasadena CA 91125, USA
Ph: +1 (626) 395-8820    Fax: +1 (626) 568-3603
http://netlab.caltech.edu/lachlan


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