Current Issues in Telecom Networks: QoS, Traffic Engineering and DWDM

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Table of Contents

Current Issues in Telecom Networks: QoS, Traffic Engineering and DWDM

Overview

Trend: More Capacity

Trend: More Traffic

Trend: Traffic >Capacity

Trend: Data >Voice

Solution 1: ATM

ATM QoS

Solution 2: Integrated Services

Problems with Integrated Services + RSVP

Solution 3: Differentiated Services

Diffserv: Key Issues

Customer Perspective of QoS

Multiprotocol Label Switching

Traffic Engineering Using MPLS

QoS Design Approaches

Comparison of QoS Approaches

Initial DWDM Deployment

IP over DWDM: Protocol Layers

Multi-layer Stack: Problems

IP over DWDM: Why?

MP l S

Summary

References

Author: Raj Jain 

Home Page: http://www.cse.wustl.edu/~jain/

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