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November 22, 2006


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Jean-Louis Seguineau

Cool bullet points. Probably not exhaustive but well worth a read as an excellent introduction to presence technologies issues.

I personally believe the SIP "presence model" to be too restrictive and too influenced by voice communication concepts. Similarly I do not consider XMPP to have a "presence model" per say. Both are distribution protocols that can be used to disseminate presence attributes as we know them today.

Presence, as you justly said, is wider than what these protocols let us believe and need to grow outside protocols and early applications. Presence has its own architectural constraints that need to be taken into consideration.

Well done!


Really interesting what you think...

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