Chapter 5. QoS and MPLS: Tools to Manage Application Performance

This chapter includes the following topics:

  • Background

  • Allocating network resources

  • Traffic-handling mechanisms

  • Provisioning and configuration mechanisms

  • MPLS

  • Traffic engineering

  • Queuing mechanisms

  • Integrated services

  • Resource Reservation Protocol

  • Differentiated services

Mission-critical applications, such as Oracle, Citrix, Microsoft Exchange, and the new breed of web-based applications, must perform well to ensure success in today’s fast-paced environment. Bottlenecks may occur in many places, including the network. These bottlenecks often occur even though you have budgeted what you thought was more than adequate bandwidth for each application.

This is generally caused by a misperception ...

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