Chapter 2. Network Traffic Patterns: Application Layer

In the design of network architectures, it is essential to understand the applications used and the resulting network traffic injected into the environment. There are many classes of networked applications. This chapter focuses on Web-based applications that are predominant in the data center. Most Web-based applications can be partitioned into the following functional tiers:

  • Presentation Tier

  • Web Tier

  • Application Tier

  • Naming Services Tier

  • Data Tier

In this chapter we will explore the main components of a typical enterprise Services on Demand network architecture and some of the more important underlying issues that impact network architecture design decisions. We describe in detail the Web ...

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