[OpenSIPS-Users] Rate limit question

[Răzvan Crainea]

Yes, RED seems to be what you need.

Best regards,

Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com

On 06/03/2016 12:15 PM, John Nash wrote:
> Thank you for detailed reply. I will choose to implement on Opensips. 
> I would also prefer performance over accuracy as my objective is to 
> stop customers from flooding with too many calls so I can select RED?
>
>
>
>
>
> On Fri, Jun 3, 2016 at 12:47 PM, Răzvan Crainea <razvan at opensips.org 
> <mailto:razvan at opensips.org>> wrote:
>
>     Hi, John!
>
>     It depends on the logic of your platform. If you have multiple
>     FreeSWITCH servers behind OpenSIPS, and you want to have a
>     "global" limit, then you must do it on OpenSIPS side. It is also
>     recommended to do it there because for example if the threashold
>     is reached, you don't have to load FreeSWITCH with traffic that's
>     about to be denied. However, if you have local (per FreeSWITCH)
>     limits, then you can do it on the FreeSWITCH side (with the
>     earlier observations).
>
>     Regarding the algorithm, it depends on what you want to limit. If
>     you want to do CPS, then TAILDROP or RED is more suitable. If you
>     want to do a limitation based on the network load, then use NETWORK.
>
>     Also take into account that the way RED and TAILDROP algorithm
>     work, they are not so accurate. That's why in OpenSIPS 2.2 we
>     added a new algorithm, SBT[1], which is very accurate and
>     custamizable.
>
>     [1]
>     http://www.opensips.org/html/docs/modules/2.2.x/ratelimit.html#id293435
>
>     Best regards,
>
>     Răzvan Crainea
>     OpenSIPS Solutions
>     www.opensips-solutions.com <http://www.opensips-solutions.com>
>
>     On 06/02/2016 08:49 AM, John Nash wrote:
>>     Also how can I decide which Rate limit algorithm should I choose
>>     ? Like RED or TAILDROP or NETWORK
>>
>>     On Thu, Jun 2, 2016 at 9:37 AM, John Nash <john.nash778 at gmail.com
>>     <mailto:john.nash778 at gmail.com>> wrote:
>>
>>         I am using opensips(2,1) + freeswitch. At opensips doing auth
>>         and drouting. Now i plan to test rate limit but should I be
>>         checking CPS at opensips or at freeswitch?...as Rate limit
>>         uses timers would it be more appropriate to check at freeswitch?
>>
>>
>>
>>
>>
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