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Cognos
®
8 Business Intelligence
ARCHITECTURE AND DEPLOYMENT GUIDE
Product Information
This document applies to Cognos
®
8 Version 8.3 and may also apply to subsequent releases. To check for newer versions of this document,
visit the Cognos Global Customer Services Web site (http://support.cognos.com).
Copyright
Copyright © 2007 Cognos Incorporated.
Portions of Cognos® software products are protected by one or more of the following U.S. Patents: 6,609,123 B1; 6,611,838 B1; 6,662,188
B1; 6,728,697 B2; 6,741,982 B2; 6,763,520 B1; 6,768,995 B2; 6,782,378 B2; 6,847,973 B2; 6,907,428 B2; 6,853,375 B2; 6,986,135 B2;
6,995,768 B2; 7,062,479 B2; 7,072,822 B2; 7,111,007 B2; 7,130,822 B1; 7,155,398 B2; 7,171,425 B2; 7,185,016 B1;7,213,199 B2.
Cognos and the Cognos logo are trademarks of Cognos Incorporated in the United States and/or other countries. All other names are trademarks
or registered trademarks of their respective companies.
While every attempt has been made to ensure that the information in this document is accurate and complete, some typographical errors or
technical inaccuracies may exist. Cognos does not accept responsibility for any kind of loss resulting from the use of information contained
in this document.
This document shows the publication date. The information contained in this document is subject to change without notice. Any improvements
or changes to either the product or the document will be documented in subsequent editions.
U.S. Government Restricted Rights. The software and accompanying materials are provided with Restricted Rights. Use, duplication, or
disclosure by the Government is subject to the restrictions in subparagraph (C)(1)(ii) of the Rights in Technical Data and Computer Software
clause at DFARS 252.227-7013, or subparagraphs (C)(1) and (2) of the Commercial Computer Software - Restricted Rights at 48CFR52.227-19,
as applicable. The Contractor is Cognos Corporation, 15 Wayside Road, Burlington, MA 01803.
This software/documentation contains proprietary information of Cognos Incorporated. All rights are reserved. Reverse engineering of this
software is prohibited. No part of this software/documentation may be copied, photocopied, reproduced, stored in a retrieval system, transmitted
in any form or by any means, or translated into another language without the prior written consent of Cognos Incorporated.
Table of Contents
Introduction
7
Part 1: Architecture
Chapter 1: Cognos 8
11
Chapter 2: The Multitiered Architecture
13
User Interfaces 13
Web-based User Interfaces 14
Windows-based User Interfaces 17
Tier 1. Web Server: Cognos 8 Gateways 18
Tier 2. Applications: Cognos 8 Servers 19
Dispatcher 19
Content Manager 22
Tier 3. Data: Content Providers 24
Content Store 24
Data Sources 25
Metric Store 26
Chapter 3: Communications
27
Messaging and Dispatching 28
Local Preferred Dispatching 28
Log Message Processing 28
Planning Log Message Destinations in a Distributed Installation 29
Recommendation -- Consolidate Log Messages in a Distributed Environment Using a
Remote Log Server 30
Recommendation -- Configure a Log File for Each Log Server 31
Database Connection Management 31
Content Store Database 31
Query Databases 32
Metric Store Databases 32
Microsoft .NET Framework Interactions 32
Port Usage 33
Request Flow Processing 33
Accessing Cognos 8 34
Viewing a Report or Analysis 36
Running a Report or Analysis 36
Scheduling a Task to Run 38
Opening a Cognos Connection Folder 39
Running an Agent 40
Portal Pages 41
Chapter 4: Workflow
43
Planning for Implementation 44
Installing Cognos 8 44
Architecture and Deployment Guide 3
Configuring Cognos 8 45
Monitoring Configuration Changes 45
Configuring Security 46
Configuring Cognos 8 for Multilingual Reporting 46
Administering Cognos 8 47
Using Cognos 8 for Reporting and Analysis 47
Creating Reporting Models and Packages 48
Authoring Reports 49
Using Cognos 8 for Scorecarding 50
Packaging in Metric Studio 50
Authoring Scorecarding Applications 51
Using Cognos 8 to Create PowerCubes 51
Managing Events 52
Part 2: Deployment
Chapter 5: Implementation Planning Checklist
53
Chapter 6: Installation Options
55
Installing All Components on One Computer 55
Installing the Gateway on a Separate Computer 56
Installing Application Tier Components and Content Manager on Separate Computers 58
Multiple Installations of Content Manager 60
Modeling Tool Installation Options 61
Cognos 8 with Other Cognos Products 63
Cognos Products That Can Be Upgraded to Cognos 8 63
Cognos Series 7 Products That Can Be Migrated to Cognos 8 64
Cognos Products That Interoperate with Cognos 8 65
Cognos Series 7 Content That Can Be Recreated in Cognos 8 67
Chapter 7: Performance Planning
69
Capacity Planning 70
Estimating Cognos 8 User Load 70
Assessing Application Complexity 72
Planning Infrastructure Components 72
Scalability Planning 75
Web Server and Gateway Scalability 75
Cognos 8 Server Scalability 80
Availability Planning 81
Cognos 8 Gateway Availability 81
Cognos 8 Server Availability 82
Content Manager Availability 82
Content Store Availability 83
Chapter 8: Performance Monitoring and Tuning
85
Performance Metrics 85
Database Tuning 87
Application Server Tuning 87
Changing Memory Settings 87
Setting Connection Limits 87
Web Server Tuning 88
4
Table of Contents
Cognos 8 Tuning 88
Designing Models and Reports for Performance 88
Tuning Cognos 8 Dispatchers 89
Tuning the Report Service, Batch Report Service, and Report Data Service 90
Setting Affinity Connections 90
Best Practices for Scheduled Reporting 92
Best Practices for Report Bursting 93
PDF Rendering 94
Low Bandwidth Connections 95
Disk Maintenance 95
Monitoring Cognos 8 Servers 95
Temporary Space for Cognos 8 Servers 95
Advanced Report Processing Configuration Settings 96
Chapter 9: Globalization Considerations
97
Locales 98
Adding Fonts to the Cognos 8 Environment 99
Changing the Language of the User Interface 100
Changing the Language of Reports, Data, or Metadata for Users 101
Customizing Currency, Numbers, Dates, and Times 103
Setting up a Multilingual Cognos 8 Environment 104
Configuring a Database for Multilingual Reporting 105
Part 3: Security
Chapter 10: Security Architecture
107
Cognos Application Firewall 107
Cognos Authentication Services 108
Cognos Namespace 108
Single Signon 109
Cognos Authorization Services 109
Distributed Administration 109
Permissions 109
Cryptographic Services 110
Using a Third-party Certificate Authority 110
Standard Cryptographic Provider 110
Enhanced Cryptographic Providers 111
Chapter 11: Securing the Deployment
113
Techniques for Securing the Operating System 114
Techniques for Securing the Network 118
Securing the Application 119
Recommendation - Use Cognos Application Firewall 119
Configuring the Cryptographic Environment 120
Securing Temporary Files 122
Techniques for Securing Access to Cognos Connection 123
Securing Cognos PowerCubes 127
Securing Data Source Signons 127
Securing the Content Store 128
Security Audit 128
Architecture and Deployment Guide 5
Table of Contents
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