[SIPForum-discussion] No:of calls and how much delay can we set -up at uac and response delay at uas

[bhanu gowda]

>
> Hi Viswa,
>
>
> Please see my inline comments.
>
> Folks correct me i am wrong.
>
> Regards
> Bhanuprakash HP
>
>
>
> Hi every one,
>>                     I need to clarify one doubt regarding SIPp software does anyone know about SIPp? I am doing my master thesis on " Evaluating the performance of various opensource projects" (Various projects like Asterisk, Openimscore and OpenSIPS)
>>
>> I need help regarding these problems....
>>
>> 1. How many calls can be sent from UAC to sip server simulaneouslly?
>>
> [BHANU]: No idea on how much Max calls it can send,But i am sharing some info on this .
>
> You can use the Option -l in Sipp Commmand to set for Simulatenous call. i.e -l 100
>
> -l calls_limit : Set the maximum number of simultaneous
> calls. Once this limit is reached, traffic
> is decreased until the number of open calls
> goes down. Default:
> SIPp:(3 * call_duration (s) * rate).
>
>>
>> 2. Can we set delay at UAC client xml side for sending calls with delay i mean 10 then doubling to 20 etc....?
>>
>
> [BHANU]:Yes we can  ,there are two ways in increasing Calls per second ,First one with Manually controlling & one is Remotely Controlling i.e with Scripts.
>
> Lets consider the sipp Command:
>
> ./sipp -sf register.xml -inf subscribers_00000_01249.csv -m 1250 -r 10 -rp 1 -l 50000 \ -t u1 -nd  -trace_err -i 192.168.22.81 -p 6041  \ 192.168.22.58:5060
>
>  Option -r specifies the Call rate , -rp (milli seconds) specifies the  the rate period.In above example it specfies 10 calls per second.If you want to increase the Call rate .You can use
>
> This value can be changed during test by
> pressing '+','_','*' or '/'. Default is 10.
> pressing '+' key to increase call rate by 1,
> pressing '-' key to decrease call rate by 1,
> pressing '*' key to increase call rate by 10,
> pressing '/' key to decrease call rate by 10.
>
> Or
>  -rate_increase 10 -fd 10
> ==> increase calls by 10 every 10 seconds.
>
> Secondly with remote control,using Script
>
> Each SIPp instance is listening to a UDP socket. It starts to listen to port 8888 and each following SIPp instance (up to 60).
>
> So if you are using first instance use 8888,second instance will be listening on  8889
>
> For example, this script will increase the call rate by 10 more new calls/s every 5 seconds, wait
> at this call rate for one minute and exit SIPp:
> #!/bin/sh
> echo "*" >/dev/udp/SIPP instance running IP /8889
> sleep 5
> echo "*" >/dev/udp/SIPP instance running IP /8889
> sleep 5
> echo "*" >/dev/udp/SIPP instance running IP /8889
> sleep 5
> echo "*" >/dev/udp/SIPP instance running IP /8889
> sleep 60
> echo "q" >/dev/udp/SIPP instance running IP /8889
>
>>
>> 3. Can we set response delay at the UAS side in order to give response with delay for calculating the sip server performances?
>>
>
> [BHANU]:We can set delay by inserting  Pause coomand in UAS.xml fille i.e <pause  milliseconds="5000"/>:
>
> pause the scenario for 5 seconds  before sending any response.. I think we can use Sleep command for this .Please check it
>
>
>
>
>
>
>>
>>
>> I would be more thankful to all please give me correct
>> information...................
>>
>>
>>
>>
>>
>> Best Regards,
>> viswavardhanreddy.
>>
>>
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