I-D ACTION:draft-eddy-dtn-sdnv-03.txt
Internet-Drafts@ietf.org Sun, 08 July 2007 21:16 UTC
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Subject: I-D ACTION:draft-eddy-dtn-sdnv-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Using Self-Delimiting Numeric Values in Protocols Author(s) : W. Eddy Filename : draft-eddy-dtn-sdnv-03.txt Pages : 21 Date : 2007-7-8 Self-Delimiting Numeric Values (SDNVs) have recently been introduced as a field type within proposed Delay-Tolerant Networking protocols. The basic goal of an SDNV is to hold a non-negative integer value of arbitrary magnitude, without consuming much more space than necessary. The primary motivation is to conserve the bits sent across low-capacity or energy-intensive links typical of NASA deep- space missions, with a secondary goal of allowing the protocol to automatically adjust to unforseen usage scenarios. This can be desirable in that it allows protocol designers to avoid making difficult and potentially erroneous engineering decisions that may have to be hacked around in the future. This document describes formats and algorithms for SDNV encoding and decoding, and discusses implementation and usage of SDNVs. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-eddy-dtn-sdnv-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-eddy-dtn-sdnv-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-eddy-dtn-sdnv-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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