Re: TCP RTT woes revisited


Bob Walsh (walsh@harvard.harvard.edu)
Mon, 15 Dec 86 13:04:49 EST


Craig,

Have you thought of using a separate variable to measure the RTT of each
packet so that you can update you smoothed RTT using the EACKs?

When I last did RDP work, RDP and TCP were roughly the same speed. Maybe
RDP was a bit quicker even in the LAN environment. The reason RDP did
not dominate TCP was that the machines I was using were VAXes and the
RDP checksumming algorithm did not run as fast as it would on a machine
with a different byte ordering (like the 68K based workstations).

bob



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