[SR-Users] Relay Latency

[Daniel Greenwald]

So what's the solution? Don't run Kamailio in AWS? Surely we are not the
only ones doing that...

On Wed, May 2, 2018 at 5:37 PM, Alex Balashov <abalashov at evaristesys.com>
wrote:

> We have encountered similar in AWS. Unfortunately, the answer has turned
> out to be "because AWS". Try using instances more expressly marked for
> network throughput performance. But sometimes things like this happen
> anyway because AWS.
>
> On May 2, 2018 3:49:28 PM EDT, Daniel Greenwald <dgreenwald at gmail.com>
> wrote:
> >We are using kamailio 5.0 as an inbound dispatcher. Sometimes in
> >testing we
> >see it take over half a second to relay a 200 OK. The logs show the new
> >dialog being creating for the 200 OK within .0001 seconds of receiving
> >the
> >inbound 200 but it takes another .5 seconds for the relayed 200 to
> >actually
> >hit the wire. Here is a screenshot showing the timing of the packets.
> >The
> >box is an EC2 m3.medium under almost zero load (1-2 calls).
> >
> >Is this normal? What should I be looking at?
> >
> >Screenshot below: 10.0.23.34 is the kamailio box. Carrier IP
> >obfuscated.
> >You can see the carrier resends the 200 OK because of the delay.
>
>
> -- Alex
>
> --
> Sent via mobile, please forgive typos and brevity.
>
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