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WebSphere Edge Components (formerly Edge Server)
Duration:   3 days
Audience Prerequisites

This course is tailored to system administrators.

  • System administrators
  • Consultants
  • Software architects
  • Enterprise application developers

Experience with administering WebSphere Application Server 6.x is recommended before taking this course.

Description
The IBM WebSphere Edge Components include several components residing at the "edge" of the network. They can work with pure webservers or with WebSphere Application Servers at the backend.

One component is the Dynamic Load Balancer. One part of the Load Balancer, the Network Dispatcher, uses an Advisor daemon at each server to determine current load on the server machine. It uses this information to dynamically redirect client access to the least busy machine. The Load Balancer interfaces with popular routers such as Cisco and Nortel. The Load Balancer also includes Content Based Routing (CBR) which routes client requests to an appropriate group of servers based on the URL content. This allows different servers to handle different parts of the web application.

Another component is the Caching Proxy which is suitable for either a Forward Proxy, between the client browser and the internet, or a Reverse Proxy, between the internet and the servers. This can work with a CBR plugin component for content-based routing.

The Site Selector component is the equivalent of an intelligent DNS server for relaying requests to back-end servers.

This course is highly hands-on. 60% of the time will be spent on doing labs.
Objectives

Upon completion of the course, students will be able to:

  • Plan for a successful deployment of the Edge Components
  • Install and configure the Edge Component as a Forward (or client) Proxy
  • Install and configure the Edge Component as a Reverse (or server) Caching Proxy
  • Tune the Caching Proxy
  • Install and configure the Network Dispatcher
  • Install and configure Content Based Routing (CBR)
  • Install and configure the Site Selector Component
  • Administer and Troubleshoot the Load Balancer
Course Outline

Planning and Installation

  • Overview of WebSphere Edge Components
  • Hardware and Software Requirements
  • Planning
  • Installation

Getting Started with the Caching Proxy

  • Using the Configuration Wizard
  • Manually editing the ibmproxy.conf file
  • Starting and stopping the Caching Proxy

Configuring and Tuning the Caching Proxy

  • Define the Server
  • Manage Connections
  • Tune the Proxy Server Process

Configuring the Caching Proxy behavior

  • Manage request processing
  • Manage delivery of local content
  • Manage FTP connections
  • Customize server processing
  • Configure header options

Configuring Proxy Server Caching

  • Configuring basic caching
  • Controlling what is cached
  • Maintaining cache content
  • Configuring the cache agent for automatic refreshing and preload
  • Using a shared cache
  • Caching dynamically generated content
  • Tuning the proxy server cache

Monitoring the Caching Proxy

  • Configuring Logging
  • Using the Server Activity Monitor

Introducing Load Balancer

  • Overview of the components of Load Balancer
  • Managing your Network
  • Installing Load Balancer

Network Dispatcher Component

  • Quick start configuration
  • Planning for the Dispatcher component
  • Configuring the Dispatcher component

Content Based Routing (CBR)

  • Quick start configuration
  • Planning for the Content Based Router
  • Configuring the Content Based Router

Site Selector Component

  • Quick start configuration
  • Planning for the Site Selector Component
  • Configuring the Site Selector Component
 
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