Spring 2000CS 4617 Flowspec Rspec: describes service requested from network –controlled-load: none –guaranteed: delay target Tspec: describes flow's traffic characteristics –average bandwidth + burstiness: token bucket filter –token rate r –bucket depth B –must have a token to send a byte –must have n tokens to send n bytes –start with no tokens –accumulate tokens at rate of r per second –can accumulate no more than B tokens
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