A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Bundle Protocol Erasure Coding Extension
Author(s) : John Zinky
Armando Caro
Gregory Stein
Filename : draft-irtf-dtnrg-zinky-erasure-coding-extension-00.txt
Pages : 34
Date : 2012-08-20
Abstract:
This document describes an extension to the Delay and Disruption
Tolerant Networking (DTN) Bundle Protocol specification [RFC5050]
which describes a protocol that enables the transfer of relatively
large Data Objects over disrupted networks. The Erasure Coding
Extension is a mechanism that extends the ability of the existing DTN
bundle fragmentation mechanism to handle situations where bundles
have a high probability of being dropped. An example use case is a
situation where no communication contact period will ever be long
enough to send the whole Data Object. In this case the object must
be partitioned into smaller chunks and these chunks are sent in
multiple bundles. The Erasure Coding Extension provides a recovery
mechanism that allows many of these bundles to be dropped and still
allow the whole Data Object to be successfully sent.
This document describes an Erasure Coding Extension Block and a
framework for integrating Forward Error Correction (FEC) into the
bundle protocol. The Erasure Coding Extension is designed to support
multiple FEC schemes and content object types. This is the framework
document for a series of documents about erasure coding for DTN.
Companion documents describe specific FEC schemes [RandBinary] and
specific Data Object types [EcObjects].
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-irtf-dtnrg-zinky-erasure-coding-extension
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-irtf-dtnrg-zinky-erasure-coding-extension-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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