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Title : The Presence-specific Dictionary for the Signaling Compression (Sigcomp) Framework
Author(s) : M. Garcia-Martin
Filename : draft-garcia-simple-presence-dictionary-02.txt
Pages : 26
Date : 2007-3-7
The Session Initiation Protocol (SIP) [4] is a text-based protocol
for initiating and managing communication sessions. The protocol is
extended by the SIP-events framework [5] to provide, e.g.,
subscriptions and notifications to presence information that are
carried in presence documents [8]. SIP can be compressed by using
Signaling Compression (SigComp) [2], which is enhanced by using the
SIP/SDP dictionary [7] to achieve better compression rates. However, the SIP/SDP dictionary [7] is not able to increase the compression
factor of (typically lengthy) presence documents. This memo defines
the presence-specific static dictionary that SigComp may use in order
to achieve higher efficiency. The dictionary is compression
algorithm independent.
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