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Course 2824B: Implementing Microsoft internet security and acceleration server 2004 - Module 9

Module 9: Implementing caching. This module explains how ISA Server can cache content that clients request from the Internet to provide a quicker response to the client. This module discusses how to configure caching for maximum efficiency. | Module 9: Implementing Caching Overview Caching Overview Configuring General Cache Properties Configuring Cache Rules Configuring Content Download Jobs Lesson: Caching Overview What Is Caching? How Caching Works for Requests for New Objects How Caching Works for Requests for Cached Objects How Content Download Jobs Work How Caching Is Implemented in ISA Server 2004 Web Proxy Chaining and Caching What Is Caching? ISA Server caching provides: Improved performance — information is stored on the computer running ISA Server Reduced bandwidth usage — no additional Internet network traffic ISA Server caching scenarios include: Forward caching — Internet Web servers Reverse caching — internal Web servers ISA Server caching stores a copy of requested Web content in the server memory or on the hard disk Server hard disk How Caching Works for Requests for New Objects www.contoso.com http://www.contoso.com Server RAM 6 ISA Server 1 5 3 2 4 How Caching Works for Requests for Cached Objects Server hard disk www.contoso.com http://www.contoso.com Server RAM ISA Server 1 3 2 Server hard disk How Content Download Jobs Work www.contoso.com http://www.contoso.com Server RAM ISA Server 3 5 2 4 1 How Caching Is Implemented in ISA Server 2004 ISA Server caching optimizes Web caching performance by: Using RAM and disk caching Maintaining the RAM cache in physical memory Maintaining a directory of cached items Using a single cache file Providing quick recovery Using efficient cache updates Providing automatic cleanup Web Proxy Chaining and Caching Internet Branch Office Head Office Branch Office 1 3 5 6 2 4 Lesson: Configuring General Cache Properties Caching Configuration Components How to Enable Caching and Configure Cache Drives How to Configure Cache Settings Caching Configuration Components Component Explanation Define cache drives Enables caching by configuring a cache drive for storing the cached content Configure caching settings Modifies the default TTL and types of cached . | Module 9: Implementing Caching Overview Caching Overview Configuring General Cache Properties Configuring Cache Rules Configuring Content Download Jobs Lesson: Caching Overview What Is Caching? How Caching Works for Requests for New Objects How Caching Works for Requests for Cached Objects How Content Download Jobs Work How Caching Is Implemented in ISA Server 2004 Web Proxy Chaining and Caching What Is Caching? ISA Server caching provides: Improved performance — information is stored on the computer running ISA Server Reduced bandwidth usage — no additional Internet network traffic ISA Server caching scenarios include: Forward caching — Internet Web servers Reverse caching — internal Web servers ISA Server caching stores a copy of requested Web content in the server memory or on the hard disk Server hard disk How Caching Works for Requests for New Objects www.contoso.com http://www.contoso.com Server RAM 6 ISA Server 1 5 3 2 4 How Caching Works for Requests for Cached Objects Server