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Mikko Lönnfors mikko.lonnfors@nokia

Partial Notifications IETF 56 SIMPLE WG draft-lonnfors-simple-presinfo-deliv-reqs-00 draft-lonnfors-simple-partial-notify-00. Mikko Lönnfors mikko.lonnfors@nokia.com. Requirements (1). General requirements:

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Mikko Lönnfors mikko.lonnfors@nokia

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  1. Partial NotificationsIETF 56SIMPLE WGdraft-lonnfors-simple-presinfo-deliv-reqs-00draft-lonnfors-simple-partial-notify-00 Mikko Lönnfors mikko.lonnfors@nokia.com

  2. Requirements (1) • General requirements: • The presence service MUST allow mechanisms for efficient handling of large contents of presence documents • The mechanism MUST allow the subscriber to get information about state changes (modifications, removals, and additions) of presence information and its structure. • The mechanism MUST NOT affect the requirements of basic network functionalities such as security, and charging

  3. Requirements (2) • Performance Requirements: • The presence service MUST allow efficient utilization of the network resources (radio links). The presence service SHOULD avoid additional or unnecessary round-trips for receiving changed presence information. • The presence service MUST be able to be utilized by devices with low data processing capabilities, small display and limited battery power.

  4. Requirements (3) • Client and server requirements: • The subscriber MUST be able to negotiate, during the subscription phase, to receive only changes of the presence document. • The subscriber MUST be able to indicate support for partial notification. • The subscriber SHOULD be able to request, during the subscription phase, that the Presence Agent sends only changes to the presence document.

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