I-D ACTION:draft-amit-quick-start-03.txt
Internet-Drafts@ietf.org Mon, 27 September 2004 20:36 UTC
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Subject: I-D ACTION:draft-amit-quick-start-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Quick-Start for TCP and IP Author(s) : A. Jain, et al. Filename : draft-amit-quick-start-03.txt,.ps Pages : 55 Date : 2004-9-27 This draft specifies an optional Quick-Start mechanism for transport protocols, in cooperation with routers, to determine an allowed sending rate at the start and at times in the middle of a data transfer. While Quick-Start is designed to be used by a range of transport protocols, in this document we describe its use with TCP. By using Quick-Start, a TCP host, say, host A, would indicate its desired sending rate in bytes per second, using a Quick Start Request option in the IP header of a TCP packet. A Quick-Start request for a higher sending rate would be sent in a TCP packet. Each router along the path could, in turn, either approve the requested rate, reduce the requested rate, or indicate that the Quick-Start request is not approved. If the Quick-Start request is not approved, then the sender would use the default congestion control mechanisms. The Quick-Start mechanism can determine if there are routers along the path that do not understand the Quick- Start Request option, or have not agreed to the Quick-Start rate request. TCP host B communicates the final rate request to TCP host A in a transport-level Quick-Start Response in an answering TCP packet. Quick-Start is designed to allow connections to use higher sending rates when there is significant unused bandwidth along the path, and all of the routers along the path support the Quick-Start Request. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-amit-quick-start-03.txt To remove yourself from the I-D Announcement list, send a message to i-d-announce-request@ietf.org with the word unsubscribe in the body of the message. You can also visit https://www1.ietf.org/mailman/listinfo/I-D-announce to change your subscription settings. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-amit-quick-start-03.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-amit-quick-start-03.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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