[Tsvwg] Quick-Start for TCP and IP
Sally Floyd <floyd@icir.org> Mon, 24 June 2002 19:30 UTC
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To: tsvwg@ietf.org, mankin@isi.edu, Scott Bradner <sob@harvard.edu>
cc: Amit Jain <ajain@netscaler.com>
From: Sally Floyd <floyd@icir.org>
Date: Mon, 24 Jun 2002 11:48:30 -0700
Subject: [Tsvwg] Quick-Start for TCP and IP
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Amit Jain and I have a new internet-draft on Quick-Start for TCP and IP, available at: http://www.icir.org/floyd/papers/draft-amit-quick-start-00b.txt We would appreciate any feedback from this communitu. This is something that it would take some time to deploy, and it might or might not be a good idea, but it could significantly reduce transfer times for moderate-sized best-effort traffic over underutilized, high-bandwidth infrastructures... We would note that this is not (at the moment) an official tsvwg work item, or even an official internet-draft (since we missed the submission deadline). Thanks, - Sally Abstract: This draft outlines an optional Quick-Start mechanism for transport protocols to determine an optional allowed initial congestion window or initial sending rate at the start of a data transfer. This mechanism is designed to be used by a range of transport protocols; however, in this document we only describe its use with TCP and IPv4. By using Quick-Start, a TCP host, say, host A, would indicate its desired initial sending rate in packets per second in a Quick Start Request option in the IP header of the initial TCP SYN or SYN/ACK packet. Each router in turn could either approve the specified initial rate, reduce the specified initial rate, or indicate that nothing above the default initial rate for that protocol would be allowed. The Quick-Start mechanism also can determine if there are routers along the path that do not understand the Quick Start Request option, or have not agreed to the initial rate described in the option. If all of the routers along the path have agreed to the initial rate in the Quick-Start Request, then TCP host B communicates this to TCP host A in a transport-level Quick-Start Response in the answering SYN/ACK or ACK packet. Quick-Start is designed to allow TCP connections to use high initial windows in circumstances when there is significant unused bandwidth along the path, and all of the routers along the path support the Quick-Start Request. We note that this is currently not a mature proposal, but an outline of one possible path of development in the IP protocol, and a request for feedback from the community. ------- Forwarded Message Date: Mon, 24 Jun 2002 09:31:48 -0700 From: Sally Floyd <floyd@icir.org> To: internet-drafts@ietf.org cc: Amit Jain <ajain@netscaler.com> Subject: Internet drafts submission of draft-amit-quick-start-00a.txt I would like to submit this internet-draft. http://www.icir.org/floyd/papers/draft-amit-quick-start-00a.txt draft-amit-quick-sta.. 23-Jun-2002 22:13 36k I unfornately just realized this morning that the deadline was 9AM ET instead of 5PM ET, as I had been assuming, so probably you are not able to accept this submission. But I thought I would try nevertheless: the file on the web server is dated last night, and therefore the draft itself was completed by the deadline... - Sally ------- End of Forwarded Message _______________________________________________ tsvwg mailing list tsvwg@ietf.org https://www1.ietf.org/mailman/listinfo/tsvwg
- [Tsvwg] Quick-Start for TCP and IP Sally Floyd
- Re: [Tsvwg] Quick-Start for TCP and IP Mohammed Ashraf
- Re: [Tsvwg] Quick-Start for TCP and IP Sally Floyd
- [Tsvwg] Quick-Start for TCP and IP Sally Floyd