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From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
To: dccp@vger.kernel.org
Subject: Re: [PATCH 12/14]: Implement both feature-local and feature-remote Sequence Window feature
Date: Thu, 04 Oct 2007 12:44:56 +0000	[thread overview]
Message-ID: <200710041344.56578@strip-the-willow> (raw)
In-Reply-To: <200710031502.54147@strip-the-willow>

Ian -

|  Hmmm.... I had multiple problems when the default window was 100 when
|  testing in the past - from memory particularly with long RTT, low loss
|  links. Try putting 100 ms delay on a 100 Mbits/link and see what
|  happens...
|  
|  See 7.5.2 of RFC4340:
<snip>
|  
|  Or am I missing something again. Maybe you are setting this
|  automatically and increasing as required? (I haven't gone through and
|  re-read current source code).
The above problem is about the question "how do I best set my sequence window". The
experiences you report are from a Linux stack without feature negotiation for 
Sequence Window, and even without distinguishing feature-local and feature-remote
sequence window (they were the same). 

This patch enables this separation and facilitates communicating the local Sequence
Window value to the peer. It thus fixes an existing problem.

I am happy to spawn a new thread to separately discuss the issues you are raising, 
but they don't really touch the code - please have another look.

  parent reply	other threads:[~2007-10-04 12:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-03 14:02 [PATCH 12/14]: Implement both feature-local and feature-remote Sequence Window feature Gerrit Renker
2007-10-03 22:14 ` Ian McDonald
2007-10-04 12:44 ` Gerrit Renker [this message]
2007-10-05  6:23 ` Ian McDonald
2007-10-21  1:37 ` Ian McDonald

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