> -----Original Message-----
> From: Brett Tate [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, March 18, 2008 1:54 PM
> To: Paul Kyzivat; Hadriel Kaplan
> Cc: [email protected]
> Subject: RE: [Sip] Comment/question on draft-ietf-sip-body-handling-01.txt
>
> > I could be convinced that there should be some normative
> > specification of the *minimum* message size that all sip
> > clients and servers MUST be prepared to support.
>
> RFC 3261 section 18.1.1 currently provides a normative minimum:
> "However, implementations MUST be able to handle messages up to the
> maximum datagram packet size.  For UDP, this size is 65,535 bytes,
> including IP and UDP headers."
>
> Are devices actually exceeding the minimum required by RFC 3261?

Yes.  Some folks think >1MB is ok.  I think they're nuts. :)

> Or are
> vendors interpreting "handle" as though it is valid to return failure
> responses because of size even though less than the normative minimum to
> handle?

Yes.  That section of 3261 is about messages - it says nothing about bodies.  
Some devices reject requests with bodies that exceed a length, where that 
length is less than the full 64k for the whole message.  For example, one of my 
companies' products will reject a SIP message with an overall body bigger than 
32KB by default.  It's configurable, but I think we're compliant to reject such 
by default.

-hadriel
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