Re: [Sip] Draft: draft-holmberg-sip-keep-00.txt

["Vijay K. Gurbani" <vkg at alcatel-lucent.com>]

Hadriel Kaplan wrote:
> Then of course there's a proxy-proxy connection, which this draft
> will also enable keepalives for.

For proxy-proxy keepalive'd connections, we have used
the technique in connection-reuse so far (i.e., implicit
assumption that the sender will keep the connection open
if there is an "alias" in the topmost Via.)  Connect-reuse
has been through various WGLCs and is ready to be moved
forward.

Does draft-holmberg-sip-keep need to say anything about that
implicit usage through the "alias" parameter?  In other words,
I can see the look of distress in an implementor's face when
presented with outbound, connect-reuse, and sip-keep!  Some
guidance to provide where to use which strategy should be
detailed in sip-keep.

Comments?

Thanks,

- vijay
-- 
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
2701 Lucent Lane, Rm. 9F-546, Lisle, Illinois 60532 (USA)
Email: vkg at {alcatel-lucent.com,bell-labs.com,acm.org}
WWW:   http://www.alcatel-lucent.com/bell-labs
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