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Multicast service MUST track directed presence broadcast

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This is to ensure entity will not stay permanently seen as online after
a multicasted directed presence.
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Mickael Remond 2015-08-06 11:46:30 +02:00 committed by Sam Whited
parent 44545f0a08
commit be6ba8a5ae
1 changed files with 19 additions and 0 deletions
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xep-0033.xml
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@ -284,6 +284,25 @@
</section2>
</section1>
<section1 topic='Business Rules' anchor='rules'>
<section2 topic='Directed Presence' anchor='presence'>
<p>To ensure that entities that have received directed
presence through a multicast service will get the unvailable
presence when the originating client closes the its session,
the multicast service should also relay unvailable presence
stanzas.</p>
<p>When transferring an extended addressing presence stanza,
the multicast service MUST keep track of the entities that
have received the individual directed presence packets.</p>
<p>When the multicast service receive an unavailable presence
stanza without extended addresses, it MUST broadcast the
updated presence to all the entities that have received a
directed presence previously (if the multicast service has not
yet sent unavailable presence to a precise entity through a
previous extended stanza presence).</p>
</section2>
</section1>
<section1 topic='Multicast Usage' anchor='multicast'>
<p>The following usage scenario shows how messages flow through both address-enabled and non-address-enabled portions of the Jabber network.</p>