[SR-Users] Keep requests order

[Brandon Armstead]

UDP does not have any guaranteed state or order...

On Tue, Feb 5, 2019 at 4:44 AM Duarte Rocha <duarterocha91 at gmail.com> wrote:

> Greetings,
>
> I'm having some problems with keeping the order of the messages in
> Kamailio.
>
> In some cases i'm receiving an ACK for the first INVITE and immediately
> after that a RE-INVITE is sent by the client.
> What is happening is that the the ACK took double the time of the
> RE-INVITE to process and as a consequence, the RE-INVITE was relayed before
> the ACK.
>
> I have two questions :
>
> 1 - Is there a way to keep the order of the messages in a dialog, and if
> so, what are the downsides to it?
>
> 2 - The machine wasn't in a load state (only one concurrent call) and the
> ACK and the RE-INVITE should go roughly through the same processing methods
> and should take took the same time to be be relayed. What can be the reason
> for this?
>
> Best Regards,
>
> Duarte Rocha
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