A communication link has a bit rate of 10 Gbps and a length of 20 km. Propagation velocityis 2.5 × 108 m/s and ACK frames are piggybacked on information frames going in the reversedirection, one ACK for every received frame. Information frames are 9000 bytes long. The frameheader is 100 bytes.(a) What is the minimum window size that maximizes the effective bit rate?(b) What is the information effective bit rate if the window size is 16 frames? The final answers are a) Wsmin = 25 (piggybacked means ACKs embedded in info frames), b) 6.53 Gbps

A communication link has a bit rate of 10 Gbps and a length of 20 km. Propagation velocityis 2.5 × 108 m/s and ACK frames are piggybacked on information frames going in the reversedirection, one ACK for every received frame. Information frames are 9000 bytes long. The frameheader is 100 bytes.(a) What is the minimum window size that maximizes the effective bit rate?(b) What is the information effective bit rate if the window size is 16 frames? The final answers are a) Wsmin = 25 (piggybacked means ACKs embedded in info frames), b) 6.53 Gbps

Operations Research : Applications and Algorithms

4th Edition

ISBN:9780534380588

Author:Wayne L. Winston

Publisher:Wayne L. Winston

Chapter20: Queuing Theory

Section20.10: Exponential Queues In Series And Open Queuing Networks

Problem 8P

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