[jdev] Re: MSN: an open protocol?

Joe Hildebrand JHildebrand at jabber.com
Thu Jun 10 11:07:05 CDT 2004

As far as I know, the MSN service uses MSNP, a proprietary which really
doesn't have anything to do with SIMPLE.  The Live Communication Server
(LCS) client uses a proprietary flavor of SIMPLE.

Hypothesis: the SIMPLE work wasn't complete in several areas, so MS had to
roll its own protocol

Evidence: packet traces show lots of SIMPLE packets with x-vnd-microsoft
MIME types

Joe Hildebrand


> -----Original Message-----
> From: Mattias Campe [mailto:Mattias.Campe at UGent.be] 
> Sent: Tuesday, June 08, 2004 3:35 AM
> To: Jabber software development list
> Subject: Re: [jdev] Re: MSN: an open protocol?
> James Bunton wrote:
> >>It states "an open protocol in MSN's case", but is MSN like 
> completely open?
> >>I thought it was a closed protocol, or isn't it completely 
> closed? Or 
> >>did the author meant "an open protocol in Jabbers case".
> > 
> <snip explanation/>
> > 
> > Hope that clears it up for you..
> Yes, thanks! Still a question: is MSNP10 based on the SIMPLE 
> "standard"? 
> I place standard between quotes, because I thought that that 
> specification isn't finished yet...
> greetings,
> Mattias Campe
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