A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Regulating Publication of Event State Information
Author(s) : J. Brok
Filename : draft-brok-simple-regulate-publish-01.txt
Pages : 32
Date : 2005-12-12
The Session Initiation Protocol (SIP) Extension for Event State
Publication describes a mechanism for a User Agent Client (UAC) to
publish event state information to a User Agent Server (UAS).
Generally, the UAC is free to monitor certain resources at a certain
rate and publish changes of their event state, for instance with the
presence event package. However, for a UAC on a mobile device,
monitoring some resources can be costly in terms of battery and
computing, think of GPS or voice analysis. Although some mechnisms
exist for a UAC to deduce whether event state publication is needed
and at what rate publish messages may be sent, these are rather
coarse and reactive in nature. This memo defines a solution for a
UAS to regulate monitoring and publications by providing detailed
information to the UAC regarding which resources to monitor, at what
rate, with what urgency and what delta.
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