Chapter 5

Session Interception Design and Deployment

He that will not sail till all dangers are over must never put to sea.

—Thomas Fuller

Information in this chapter:

• Selecting an Interception Mechanism

• The WCCP Deep Dive

• In-Path Deployment in Brief

• PBR Deployment Overview

• Summary

Introduction

Chapter 4 discussed how useful WAN optimization is to enable private cloud success. WAN optimization permits greater service consolidation by keeping performance high. The centralized architecture is possible because WAN optimization nips the long-standing issue of WAN latency in the bud.

However, to realize the WAN optimization technology benefits, WAN optimizers must intercept the TCP sessions between end hosts that require WAN optimizations and ...

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