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

[Hadriel Kaplan <HKaplan at acmepacket.com>]

> -----Original Message-----
> From: Jiri Kuthan [mailto:jiri at iptel.org]
>
> Actually TCP keep-alive is even simpler, even though, alas, just
> TCP-specific.
> There are some rumours though that some NATs drop TCP keep-alives, even
> though I have not witnessed that yet.

Obviously I'm not a client guy, but I've been told not all clients have the ability to set their sockets to do that, depending on the OS.


> I think that's a bit network-centric viewpoint. I'm comfortable with
> leaving the NAT-traversal responsibility on the client. (which kind of
> gets to the root of the problem, which is NATs are client-server
> centric). Then some things (such as server's decision how to keep the
> connections alive) don't have to concern us.

Ironically I'm also trying to let the client do it - by having it tell the proxy "I'm smart enough to keep this connection alive by myself, if you're smart enough to use these mechanisms".

-hadriel
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