Transcript IT-320 Chapter 10 Packet Switching Networks Objectives • 1. • 2. • 3. • 4. • 5. • 6. • 7. networks. • 8. Compare and contrast X.25 and Frame Relay networks. Explain the need.

IT-320
Chapter 10
Packet Switching Networks
Objectives
• 1.
• 2.
• 3.
• 4.
• 5.
• 6.
• 7.
networks.
• 8.
Compare and contrast X.25 and Frame Relay
networks.
Explain the need for SLAs and define SLA
criteria.
Define the use of DLCI in Frame Relay.
Explain how to use subinterfaces with Frame
Relay.
Given a scenario, troubleshoot a Frame Relay
problem.
Compare and contrast packet switching and cell
relay networks.
Compare and contrast ATM and SMDM
Compare and contrast CIP and LANE.
FIGURE 10-1 Packet Switching
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-2 A X.25 Network
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-3 The X.25 Protocol Suite
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-4 Dedicated Point-to-Point v. Frame Relay
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-5 A Frame Relay Network
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-6 A Single Frame Relay Virtual Circuit Can be Assigned Different DLCIs on Each End of a Virtual Circuit
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-7 A Frame Relay Packet
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-8 A Fully Meshed Frame Relay Network Does Not Require Subinterfaces
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-9 Split-Horizon Does Not Allow Remote Sites to Send Routing Updates to Each Other
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-10 Subinterfaces Allow Remote Sites to Exchange Routing Updates with Each Other
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 10-11 Multipoint and PPP Subinterfaces Can Coexist
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
IT-320
Chapter 11
Cell Relay Networks
FIGURE 11-1 The ATM Model
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 11-2 ATM Cell Content
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
FIGURE 11-3 An ATM Virtual Circuit
Patrick Regan
Wide Area Networks
Copyright ©2004 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.