第1章：介绍思科广域应用服务（WAAS）

摘自部署思科广域应用服务（第二版）。

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简讯：注册与保存！特别优惠。

尝试Safari浏览器丛书现！进入程序员和IT专业人员最大的完全可搜索的电子参考资料库！

IT有两个对立的挑战组织的斗争：为日益分散的员工提供高水平的应用性能，并巩固昂贵的基础设施，以简化管理，提高数据保护，并控制成本。Separating the growing remote workforce from the location that IT desires to deploy infrastructure is the wide-area network (WAN), which introduces significant delay, packet loss, congestion, and bandwidth limitations, impeding a users’ abilities to interact with applications and the data they need in a high-performance manner conducive to productivity. These opposing challenges place IT organizations in a difficult position as they must make tradeoffs between performance and cost, as shown in图1-1。