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Deploying Cisco Wide Area Application Services, Second Edition by Nancy Jin, Zach Seils - CCIE No. 7861 , Joel Christner - CCIE No. 15311

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Chapter 2. Cisco WAAS Architecture, Hardware, and Sizing

Chapter 1, “Introduction to Cisco Wide Area Application Services (WAAS),” introduced the performance challenges created by the wide-area network (WAN) and how they are addressed by the Cisco WAAS solution. Cisco WAAS is a software component that is resident on a hardware device deployed at each location with users and servers. This hardware device, which can be deployed as a router-integrated network module for the Integrated Services Router (ISR) or as an appliance, is named either Cisco Wide-Area Application Engine (WAE) or Cisco Wide-Area Virtualization Engine (WAVE). The distinction between the two is that a WAVE device, available only as an appliance, can also provide branch office ...

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