Question: A congestion control scheme used with ATM (Available Bit Rate) is to decrease the allowable data rate in response to congestion with the following equation.

A congestion control scheme used with ATM (Available Bit Rate) is to decrease the allowable data rate in response to congestion with the following equation.

Ratenew = Rateold - Rateold * RDF where RDF is the rate decrease factor.

a. Discuss how fast/slow does the sender respond to congestion for the various value of RDF.

b. If the equation was changed to Ratenew = Rateold - Rateold *

a, do you think the response will be better or worse and why?

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