Re: AW: MICROSOFT PATENT

THANKS A LOT FOR YOUR HELP!

 --- Peter Saint-Andre <[email protected]> escribi=F3:
> On Mon, 2004-02-23 at 14:08, Xavier G=C3=B3mez Velasco
> wrote:
> > Peter:
> > Thanks for your reply.=20
> > Can you tell me, if possible, how does Jabber
> works to
> > detect when a user is online, if the user
> continues to
> > be online, and when the user is no longer online?=20
>=20
> First, "Jabber" is a protocol, it is not a specific
> implementation.
> Different people can implement the protocol in
> different ways. Most
> implementations are client-server systems that use
> XML streams over TCP
> connections, but it is possible to use an HTTP
> binding or some other
> method for client-to-server communications, or even
> to implement a
> peer-to-peer system. Most of the client-server TCP
> systems detect
> network availability based on opening or closing the
> XML stream, but
> that is not enough because a user must also set
> their presence to
> available or unavailable (i.e., the mere existence
> of an XML stream is
> not enough to determine whether the user is online
> or offline when it
> comes to availability). Continued availability is
> usually determined by
> the existence of the stream, although the stream can
> continue even after
> the user sets their presence to unavailable. This is
> all described more
> fully in the XMPP Internet-Drafts, which were
> recently approved by the
> IETF:
>=20
> http://www.jabber.org/ietf/
>=20
> HTH,
>=20
> Peter
>=20
>=20
> _______________________________________________
> IM-patents mailing list
> [email protected]
> https://jabberstudio.org/mailman/listinfo/im-patents=20

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