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Interexchange Carrier MPLS Network Design Study

  • Sample Chapter is provided courtesy of Cisco Press.
  • Date: Jul 22, 2005.

Contents

  1. USCom's Network Environment
  2. USCom's Network Design Objectives
  3. Routing and Backbone Label Forwarding Design
  4. Layer 3 MPLS VPN Service Design Overview
  5. Quality of Service Design
  6. Traffic Engineering Within the USCom Network
  7. Network Recovery Design
  8. Design Lessons to Be Taken from USCom

Chapter Description

USCom is a fictitious nationwide data and long-distance voice service provider in the U.S. This chapter discusses the current USCom MPLS network design, its evolution, and how USCom characteristics and objectives influenced the corresponding design decisions that were made in order to illustrate how design decisions should stem from the characteristics of your company.

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USCom's Network Design Objectives

USCom's objectives for its network design include the following considerations:

  • Ensure that the Layer 3 MPLS VPN design can cope with current scale requirements as well as the predicted growth of this service over the coming years.
  • Enrich the Layer 3 MPLS VPN service with quality of service commitments, allowing it to be marketed as the service of choice for enterprises that want to converge their data/voice/video networks onto a single multimedia intranet.
  • Offer high-availability commitments to VPN users without additional capital expenses.

The following sections review the design elected by USCom, as well as the corresponding rationale behind the routing, Layer 3 MPLS VPN, QoS, traffic engineering, and network recovery. A final section points out a number of lessons that can be drawn from the USCom design.

3. Routing and Backbone Label Forwarding Design | Next Section Previous Section

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