Selecting MPLS VPN Services

Chapter 3. Analyzing Service Requirements

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This chapter covers the following topics:

• Application/Bandwidth Requirements

• Backup and Resiliency

• Enterprise Segmentation Requirements

• Access Technologies

• Security Requirements

• Multiprovider Considerations

• Extranets

• Case Study: Analyzing Service Requirements for Acme, Inc.

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This chapter’s objective is to define the Layer 2 to Layer 3 migration requirements that a service provider must deliver for the enterprise customer to perceive the Layer 3 virtual private network (VPN) offering as valuable. This chapter retains the fictional Acme, Inc. as a reference for the overall discussion. This chapter looks at application and bandwidth requirements that help drive services, such as ...