[OpenSIPS-Users] Userloc, Registrar, and issues with location entries being removed and user agents ignore expires enforcing

[Iñaki Baz Castillo]

El Viernes, 17 de Abril de 2009, Bobby Smith escribió:
> With nathelper and specifically nat ping, are there any known statistics of
> how much of a performance hit this will make on a server?
>
> The implementation is as a stateless proxy/registrar -- so no overhead of
> maintaining transactions, we just forward them elsewhere.  However, I'd
> like to enable nat ping for the whole user base, which would be somewhere
> around 10,000 UA's.  I know that there's the ability to process and append
> a nat flag depending on the ip address in the contact field (before fixing
> it), but I'm actually looking for more along the lines of how many
> processes could be expected to send nat pings (not SIP messages) to this
> many UA's on a ~45 second interval.
>
> Also, any sort of broad performance information in general would be awesome
> -- didn't really see a lot on the website in this regard.

Note that the SIP request for NAT keepalive (OPTIONS, NOTIFY or whatever 
method you choose in nat_traversal module) is sent stateless. No transaction 
is created for it.

-- 
Iñaki Baz Castillo <ibc at aliax.net>