EE555_sol2

EE555_sol2 - EE555"Broadband Networks Architecture...

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EE555: "Broadband Networks Architecture" Professor A. Zahid, FALL Semester 2007 HW#2: Solution Stalling’s Problems (5.4=15pts, 5.5=10pts, 10.2=15pts):
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Extra Problem 1 (20pts, 10 per each part):
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Extra problem 2 (10pts): A user is connected to a FR network through a T-1 line. The Committed Information Rate (CIR) is 1 Mbps with a Committed Burst Size, Bc, of 5 Mbits each 5 seconds. The Excess Burst Size, Be, is 1 Mbits every 5 seconds. Answer the following questions: a) What is the access rate? b) What is the maximum data rate the user can use all of the time without worrying about frames being discarded? c) If the user wants to take a risk, what is the maximum data rate the user can be used with no chance of frames being discarded if there is no congestion? d) Can the user send data at a constant bit rate of 1.4 Mbps all the time? e) The user sends data at a rate of 1.4 Mbps for 2 seconds and nothing for the next three seconds. Is there a danger of discarding if there is no congestion? Is there a danger of discarding if there is congestion? Explain Solution: a) 1.544 Mbps. b) 1 Mbps (CIR).
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This note was uploaded on 12/21/2010 for the course EE 555 taught by Professor Silvester during the Spring '08 term at USC.

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EE555_sol2 - EE555"Broadband Networks Architecture...

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