Copyright © 2010 Caringo, Inc.All rights reserved iiiVersion 2.2December 2010Table of Contents1. Introduction to DX Content Router ........................................................................................ 11.1. Overview of DX Content Router ................................................................................. 11.2. About this Document ................................................................................................. 11.2.1. Audience ....................................................................................................... 11.2.2. Scope ............................................................................................................ 12. Replication Topologies ......................................................................................................... 22.1. Disaster Recovery ..................................................................................................... 22.2. Mirrored Clusters ...................................................................................................... 22.3. Multi-Site Disaster Recovery ...................................................................................... 22.4. Content Distribution ................................................................................................... 33. DX Content Router Services ................................................................................................ 43.1. Basic Architecture ..................................................................................................... 43.1.1. Structure of a DX Content Router Node ........................................................... 53.1.2. Publisher Service ........................................................................................... 73.1.3. Replicator Service ........................................................................................ 104. Installation ......................................................................................................................... 114.1. Requirements .......................................................................................................... 114.1.1. Operating System ......................................................................................... 114.1.2. 3rd Party Package Pre-requisites .................................................................. 114.1.3. Network ....................................................................................................... 114.2. Installing and Configuring DX Content Router Services .............................................. 134.2.1. Installing Services ......................................................................................... 134.2.2. Configuring Services and Rules .................................................................... 134.3. Upgrading DX Content Router ................................................................................. 144.3.1. Upgrading from 1.x ....................................................................................... 144.3.2. Upgrading from 2.x ....................................................................................... 144.4. Removing DX Content Router .................................................................................. 145. Running and Managing DX Content Router ......................................................................... 155.1. Starting DX Content Router Services ....................................................................... 155.2. Publisher and Replicator Shutdown .......................................................................... 155.3. Customizing the Standard Rule Sets ........................................................................ 155.3.1. Publish all streams on a single channel ......................................................... 155.3.2. Publish all streams on two separate channels ................................................ 165.3.3. Publish streams with header ‘someHeaderName’ on one channel and allothers except text files to a second ........................................................................ 165.3.4. Complex Content Metadata Analysis ............................................................. 165.4. Using the Publisher Console .................................................................................... 185.4.1. Publisher Console layout: ............................................................................. 195.5. HTTP Status Reporting for Publisher and Replicator ................................................. 215.5.1. Publisher Response ...................................................................................... 215.5.2. Replicator Response .................................................................................... 225.5.3. Request for Source Cluster IP Addresses ...................................................... 236. Support for Content Restoration and Fail-Over .................................................................... 246.1. Administrative Disaster Recovery ............................................................................. 246.2. Content Mirroring .................................................................................................... 246.3. Application-Assisted Fail-Over .................................................................................. 24A. Content Metadata .............................................................................................................. 25A.1. System Metadata .................................................................................................... 25A.2. Content File Server Metadata .................................................................................. 25A.2.1. Custom Metadata ......................................................................................... 25B. DX Content Router Configuration ....................................................................................... 26