it-320chapter 10 packet switching networks. objectives 1. compare and contrast x.25 and frame relay...

IT-320 Chapter 10

Packet Switching Networks

Objectives• 1. Compare and contrast X.25 and Frame Relay

networks.• 2. Explain the need for SLAs and define SLA

criteria.• 3. Define the use of DLCI in Frame Relay.• 4. Explain how to use subinterfaces with Frame

Relay.• 5. Given a scenario, troubleshoot a Frame Relay

problem.• 6. Compare and contrast packet switching and cell

relay networks.• 7. Compare and contrast ATM and SMDM

networks.• 8. Compare and contrast CIP and LANE.

FIGURE 10-1 Packet Switching

Patrick ReganWide Area Networks

Copyright ©2004 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458

All rights reserved.

FIGURE 10-2 A X.25 Network




FIGURE 10-3 The X.25 Protocol Suite




FIGURE 10-4 Dedicated Point-to-Point v. Frame Relay




FIGURE 10-5 A Frame Relay Network




FIGURE 10-6 A Single Frame Relay Virtual Circuit Can be Assigned Different DLCIs on Each End of a Virtual Circuit




FIGURE 10-7 A Frame Relay Packet




FIGURE 10-8 A Fully Meshed Frame Relay Network Does Not Require Subinterfaces




FIGURE 10-9 Split-Horizon Does Not Allow Remote Sites to Send Routing Updates to Each Other




FIGURE 10-10 Subinterfaces Allow Remote Sites to Exchange Routing Updates with Each Other




FIGURE 10-11 Multipoint and PPP Subinterfaces Can Coexist




IT-320 Chapter 11

Cell Relay Networks

FIGURE 11-1 The ATM Model




FIGURE 11-2 ATM Cell Content




FIGURE 11-3 An ATM Virtual Circuit




it-320chapter 10 packet switching networks. objectives 1. compare and contrast x.25 and frame relay...

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pearson education

upper saddle river

frame relay networks

new jersey

cell relay networks

smdm networks

frame relay problem

meshed frame relay network