How to determe Streams tcp/ip network traffic between database nodes.

We are needing to determine network bandwidth requirements for optimizing streams replication performance between database instances that are NOT located within the same data center.
How can I determine the rough # of bits per sec of tcp/ip traffic generated by the streams replication propogation process?

This is the information I got from our dev environment, not too much activity here, so is total time in seconds? so if I take total_bytes/total_time I get bytes per second right?
QNAME : VERITYUSR_CAP_Q
DESTINATION : NEWS.J513.BLOOMBERG.COM
TOTAL_TIME : 11487
TOTAL_NUMBER : 400329
TOTAL_BYTES : 5290
MAX_NUMBER : 400329
MAX_BYTES : 5290
AVG_NUMBER : 400329
AVG_SIZE : 0.01321413

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