> -----Original Message-----
> From: Jakob Schlyter [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, June 12, 2001 2:21 PM
> To: [EMAIL PROTECTED]
> Subject: [Sip-implementors] udp vs tcp requirement for
> redirect servers
>
>
> hi,
>
> it seems to me that the current sip draft is unclear whether tcp is
> mandatory for redirect servers. section 1.5.2 (protocol properties,
> lower-layer-protocol neutral) says ...
>
> "User agents SHOULD implement both UDP and TCP transport. Proxy,
> registrar, and redirect servers MUST implement both UDP and TCP
> transport."
>
> ... but section A.1 (minimal implementaion, transport
> protocol support)
> says ...
>
> "User agents and stateless proxies MUST support UDP and MAY
> support TCP or
> other transport protocols, stateful proxies MUST support both UDP and
> TCP."
Section A.1 is really out of date, to be honest. Its inconsistent as you
have observed.
We've decided that UDP is mandatory for everyone. The text in 1.5.2 says the
proxy/redirect/registrar MUST support TCP, UAs SHOULD.
-Jonathan R.
---
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Ave.
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
[EMAIL PROTECTED] FAX: (973) 952-5050
http://www.jdrosen.net PHONE: (973) 952-5000
http://www.dynamicsoft.com
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