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Chapter 6. A brief introduction to Layer 4-7
Switching
This chapter provides a brief overview of how Layer 4-7 Switching works. The goals are to
present an alternative to traditional network design and to provide enough background to
understand how a Layer 2-7 switch can be beneficial to a network. While this chapter gives a
brief overview of the features and benefits of Layer 4-7 switching, it also mentions the Layer
2-7 GbE Switch Module or GbESM. For a more in-depth look at Layer 4-7 Switching, refer to
the Redpaper IBM Eserver BladeCenter Layer 2-7 Network Switching, REDP3755.
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