identifier
Click on the red underlined text to get to the source
... human-readable XML character data
specifying an identifier that is used for tracking a conversation
thread (sometimes referred to as an "instant messaging session")
...
... session, or there may already be an active resource
associated with a resource identifier of the same name.
If the server encounters an internal condition that prevents it from
...
... connection so that the newly-requested session has an opportunity to
negotiate a non-conflicting resource identifier before sending
another request for session establishment.
...
... The examples in this section illustrate the presence-related
protocols described above. The user is romeo@example.net, he has an
available resource whose resource identifier is "orchard", and he has
the following individuals in his roster:
...
... to the user's full JID, the server SHOULD remove the resource
identifier). If the contact is served by a different host than
the user, the user's server MUST route ...
...
If the hostname of the domain identifier portion of the JID contained
in the 'to' attribute of an inbound stanza ...
...
If the hostname of the domain identifier portion of the address
contained in the 'to' attribute of an outbound stanza ...
... 11.1).
If the hostname of the domain identifier portion of the address
contained in the 'to' attribute of an outbound stanza ...