Re: [tcpm] I-D Action:draft-ietf-tcpm-sack-recovery-entry-01.txt

Alexander Zimmermann <Alexander.Zimmermann@nets.rwth-aachen.de> Fri, 12 March 2010 10:38 UTC

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From: Alexander Zimmermann <Alexander.Zimmermann@nets.rwth-aachen.de>
To: Markku Kojo <kojo@cs.helsinki.fi>
Thread-Topic: [tcpm] I-D Action:draft-ietf-tcpm-sack-recovery-entry-01.txt
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Subject: Re: [tcpm] I-D Action:draft-ietf-tcpm-sack-recovery-entry-01.txt
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Am 11.03.2010 um 17:09 schrieb Markku Kojo:

> Hi, all,
> 
> we would appreciate any feedback on the new version of the draft. 
> 
> We as the authors believe that the document is technically ready, so it 
> would probably be time to take the next steps. As a part of this we have 
> discussed with the RFC 3517 authors and are planning to merge this 
> document together with RFC 3517.

Nice!

> This would allow us to concentrate
> a bit the split TCP documentation.

Yes. I second that.

> Any views on this plan are also 
> welcome. 
> 
> /Markku
> 
> 
> On Mon, 8 Mar 2010, Internet-Drafts@ietf.org wrote:
> 
>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>> This draft is a work item of the TCP Maintenance and Minor Extensions Working Group of the IETF.
>> 
>> 
>> 	Title           : Using TCP Selective Acknowledgement (SACK) Information to Determine Duplicate Acknowledgements for Loss Recovery Initiation
>> 	Author(s)       : I. Jarvinen, M. Kojo
>> 	Filename        : draft-ietf-tcpm-sack-recovery-entry-01.txt
>> 	Pages           : 18
>> 	Date            : 2010-03-08
>> 
>> This document describes a TCP sender algorithm to trigger loss
>> recovery based on the TCP Selective Acknowledgement (SACK)
>> information gathered on a SACK scoreboard instead of simply counting
>> the number of arriving duplicate acknowledgements (ACKs) in the
>> traditional way.  The given algorithm is more robust to ACK losses,
>> ACK reordering, missed duplicate acknowledgements due to delayed
>> acknowledgements, and extra duplicate acknowledgements due to
>> duplicated segments and out-of-window segments. The algorithm allows
>> not only a timely initiation of TCP loss recovery but also reduces
>> false fast retransmits.  It has a low implementation cost on top of
>> the SACK scoreboard defined in RFC 3517.
>> 
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-ietf-tcpm-sack-recovery-entry-01.txt
>> 
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
>> 
>> Below is the data which will enable a MIME compliant mail reader
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>> Internet-Draft.
>> 
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