Tag Archives: selective repeat

Summary of Lecture on Wed Sep 29

Posted on September 30, 2010 by

We discussed pipelining (sliding window) protocols To increase channel utilization, we have to allow the sender to transmit many packets before they are acknowledged: the pipelining mechanism. Go-back-N and selective repeat are two basic pipelining protocols. Go-back-N is simpler, but Selective Repeat … Continue reading →

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Summary of lecture on Mon Sep 27

Posted on September 27, 2010 by

We discussed briefly the Internet checksum algorithm. For more details, you can check out RFC 1071, and some performance enhancement recommendations in RFC 1141 and RFC 1624. Computing the checksum efficiently is extremely important because every single packet is sum-checked … Continue reading →

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