[SIPForum-discussion] FW: Switch Processor Load for SIP

Stewart Bunce Stewart.Bunce at telsis.com
Wed Jan 20 09:38:54 UTC 2010

Don't know about your Switch in particular but in general SIP messages
are larger than equivalent ISUP messages. ISUP messages also have a very
standard structure that allows for fairly efficient message decode
whereas SIP requires a lot of intensive string parsing in order to
decode received messages. Basically your results are pretty much in line
with what I'd expect.





From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of SARKER, ROHAN
Sent: 19 January 2010 06:37
To: discussion at sipforum.org
Subject: [SIPForum-discussion] FW: Switch Processor Load for SIP
Importance: High


I am not satisfied with the answers for SIP Message processing. Any help
in this regard will be appreciated.





Rohan Sarker




Sent: Wednesday, January 13, 2010 4:25 PM
To: 'discussion at sipforum.org'
Cc: 'rohansarker1 at gmail.com'
Subject: Switch Processor Load for SIP 
Importance: High


In our network for Reliance Communications Mumbai, India, we are getting
reports that Switch processor [Huawei MSOFTX3000] load is higher for SIP
Message processing than it takes for BICC or ISUP Message processing.


Our Performance Experts are also confirming this fact.


Is it true? How does SIP Message processing takes up more CPU
instructions to be executed by the CPU processor?


Please help.


For the current discussion, CPU processor is from Huawei MSOFTX3000 Soft
Switch [GSM Network, Reliance Communications, India].







Thanks and regards

Rohan Sarker

Deputy Manager


DAKC, Navi Mumbai





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