[Standards] Stanza Size Limits (was Re: [jdev] Communicate between two client instances of the same ID)

Peter Saint-Andre stpeter at stpeter.im
Thu Sep 18 16:15:10 UTC 2008

Justin Karneges wrote:
> On Tuesday 02 September 2008 21:47:55 Peter Saint-Andre wrote:
>> http://www.xmpp.org/extensions/inbox/stanzalimits.html
>> We never published that, though...
> Oh, cool.  I was going to suggest a XEP for that stuff, too. :)
> I still think the minimum recommended supported size belongs in xmpp-core 
> though.

I've just added the following text to my working copy:


9.5.  Stanza Size

XMPP is optimized for the exchange of relatively large numbers of 
relatively small stanzas. A client or server MAY enforce a maximum 
stanza size. The maximum stanza size MUST NOT be smaller than 10000 
bytes, from the opening "<" character to the closing ">" character. If 
an entity receives a stanza that exceeds its maximum stanza size, it 
MUST return a <not-acceptable/> stanza error or a <policy-violation/> 
stream error.


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