[MMUSIC] I-D ACTION:draft-ietf-mmusic-sdp-bwparam-01.txt
Internet-Drafts@ietf.org Fri, 28 February 2003 12:35 UTC
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Date: Fri, 28 Feb 2003 07:26:31 -0500
Subject: [MMUSIC] I-D ACTION:draft-ietf-mmusic-sdp-bwparam-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Multiparty Multimedia Session Control Working Group of the IETF. Title : A Transport Independent Bandwidth Modifier for the Session Description Protocol (SDP) Author(s) : M. Westerlund Filename : draft-ietf-mmusic-sdp-bwparam-01.txt Pages : 16 Date : 2003-2-27 The existing Session Description Protocol (SDP) bandwidth modifiers and their values include the bandwidth needed also for the transport and IP layers. When using SDP in protocols like Session Announcement Protocol (SAP), Session Initiation Protocol (SIP) and Real-Time Streaming Protocol (RTSP) and the involved hosts reside in networks running different IP versions, the interpretation of what type of lower layers that is included is not clear. This documents defines a bandwidth modifier that does not include transport overhead, instead an additional packet rate attribute is defined. The transport independent bit-rate value together with the packet rate can then be used to calculate the real bit-rate over the actually used transport. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-mmusic-sdp-bwparam-01.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. 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-ietf-mmusic-sdp-bwparam-01.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-ietf-mmusic-sdp-bwparam-01.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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