[OpenSIPS-Users] Absorbing retransmissions

Bogdan-Andrei Iancu bogdan at voice-system.ro
Mon Oct 13 10:39:50 CEST 2008

yes, in most of the cases, the penalty of creating a transaction (pure 
processing) is infinite smaller than the penalty of doing twice or third 
times a mysql or ldap authentication (which involves I/O ops).


Iñaki Baz Castillo wrote:
> 2008/10/13 Bogdan-Andrei Iancu <bogdan at voice-system.ro>:
>> Hi Iñaki,
>> Any idea why?  creating a transaction before authentication can save a lot
>> of extra processing when comes to authenticating the retransmissions
>> also....
> Their argument is that creating a transaction takes a lot of resources
> so it's better to avoid creating it until the request is
> authenticated.
> Maybe they didn't take into account the processing of retransmissions
> authentication, as you suggest.
> Anyway, RFC3261 defines a model, not an implementation. So better not
> to trust it too much ;)

More information about the Users mailing list