RE: RFC 3861, SRV handling

The way we envisioned interop, as specified in RFC 3922, Section 3.3, is for
your XMPP client to turn the im: address into a JID, then process as usual.
No SRV processing is then done on the client side.

-- 
Joe Hildebrand  

> -----Original Message-----
> From: Justin Karneges 
> [mailto:[email protected]] 
> Sent: Wednesday, February 02, 2005 10:31 AM
> To: [email protected]
> Subject: RFC 3861, SRV handling
> 
> Hi folks,
> 
> According to RFC 3861, the destination server of an instant 
> messaging address can be determined by doing an SRV lookup on 
> the domain name within that address.  For example, if you 
> want to send a message to an address via XMPP, one might do a 
> lookup on:
> 
>   _im._xmpp.example.com
> 
> However, what confuses me is how this is supposed to play 
> with XMPP's own delivery procedure, particularly regarding 
> the fact that XMPP uses SRV as well.  For example, when one 
> XMPP server delivers a message to another, the sending server 
> does an SRV lookup:
> 
>   _xmpp-server._tcp.example.com
> 
> Should both of these SRV lookups produce the same set of 
> hostname/port pairs, meaning that they are two ways to do the 
> same thing and the sender can just pick one?  Or should these 
> procedures be "stacked", such that the _im._xmpp lookup would 
> result in a domain name that would in turn be passed through 
> the _xmpp-server._tcp lookup?
> 
> Thank you,
> -Justin
> 
>   [reminder: [email protected] for non-technical 
> discussions, please]
> 


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