You have a network of four nodes and three links: A B C D A message of size 1,024,000 bits is to be sent from A to D. The data rate of the first two links is 0.5 MB/second, but the link between C and D is 1.5 MB/sec. Propagation delays of the links, node processing delays and queuing delays are negligible. A. Assume that circuit switching (data is not packetized) is used and the total circuit set-up time is 100 ms, what is the time to send the message from A to D? B. Assume that packet switching is used, packet size is 128 bytes and header size is 22 bytes (128 bytes is only payload, excluding header), what is the time to send the message from A to D? (Hint: throughput of a pipeline is decided by how long it will take to pass the bottleneck step)

You have a network of four nodes and three links: A B C D A message of size 1,024,000 bits is to be sent from A to D. The data rate of the first two links is 0.5 MB/second, but the link between C and D is 1.5 MB/sec. Propagation delays of the links, node processing delays and queuing delays are negligible. A. Assume that circuit switching (data is not packetized) is used and the total circuit set-up time is 100 ms, what is the time to send the message from A to D? B. Assume that packet switching is used, packet size is 128 bytes and header size is 22 bytes (128 bytes is only payload, excluding header), what is the time to send the message from A to D? (Hint: throughput of a pipeline is decided by how long it will take to pass the bottleneck step)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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