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Connection-oriented Networks: SONET/SDH, ATM, MPLS and Optical Networks

Harry G. Perros

Chapter 1

Introduction - all with Video Answers

Educators

Chapter Questions

Problem 1

Visit the Web sites of some of the Standards bodies. Familiarize yourself with their organizational structure and the type of standards that are available on these Web sites.

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Problem 2

Let us assume that the routing tables in an IP administrative domain remain unchanged for a long time. In this case, the path between any two computers, say A and B, within the same domain will not change. Therefore, all of the packets sent from A to B will follow the same path. Can we say that during that time, the IP network behaves like a connection-oriented packet-switching network? Why?

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Problem 3

Explain why bursty data transmission over a circuit-switching network leads to a poor utilization of the connection.

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