[OpenSER-Devel] responding to double-CRLF ping with single CRLF pong

Bogdan-Andrei Iancu bogdan at voice-system.ro
Thu Mar 6 16:18:29 CET 2008


Hi Juha,

Couple of comments:
    1)  does the draft have any chance to become RFC? I do not like the 
idea of implementing some draft that will expire and be dropped :)
    2) such functionality needs to be implemented directly in the TCP 
server part - it will not be visible/controllable from any other part.

Regards,
Bogdan

Juha Heinanen wrote:
> outbound draft http://tools.ietf.org/html/draft-ietf-sip-outbound-12
> specifies that tcp connected UAs should keep tcp connection always open
> to a working outbound proxy and verify if connection is still working by
> periodically sending double-CRLF "pings" on the connection.  to a
> double-CRLF "ping", proxy is supposed to respond with single-CRLF
> "pong".  if openser does not yet support "pong" response, it might be
> a good idea to add it to 1.4 wish list.
>
> - juha
>
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