distinguish between TCP statistics vs. UDP statistics (in case mixed feed file)

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What need is this feature going to satisfy?
1. statistics should be reported per socket or per socket type
2. it make no sense to provide one average for TCP & UDP & MC
3. (this is only relevant in case feed file contains mixed socket types)

What is the expected output? What do you have currently? Any workaround?
For each server (currently we support 1 server, but the infrastructure supports 
N servers), the client should print statistics based on socket type

Workaround:
user can use homogeneous feed files and repeat the test per file

Original issue reported on code.google.com by [email protected] on 5 Apr 2011 at 6:50