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wireshark to capture processing time

Posted on 2013-11-18
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Last Modified: 2013-12-03
I'd like to capture the time it takes for the server to process the request. Below is my setup:

server <-->switch1<-->WAN<-->switch2<-->client

Now the client is accessing the application reside on the server. My plan is to setup Wireshark on switch2 and switch1.

My questions are as follow:
- Will the time, that I capture on switch1 when the server sends the response back, be the processing time of the server.
- is it possible to merge the two captured file into one?

Thanks
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Question by:leblanc
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Ram Balachandran earned 500 total points
ID: 39658385
Yes, you can Merge capture files created by Wireshark  >> How to do it CLICK HERE

For your first question,

It depends on the application, how it is designed.  We cant conclude that server response in switch 1 as the processing time,it can be few packets send to client for authentication, session creation etc etc.. and server might also need to get back few information from client to complete the process [ several two way communication]. Hence, I would see first response you see in switch 1 is not the processing time.

Event IDs, Logs from Client / Server could help

And there are many performance monitoring tool, based on the technology used [ .Net/java ] to identify the real processing time
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