Sun Microsystems 2005Q1 Manual de usuario descargar pdf (Pagina 119)

Designing SRA Deployment Scenarios

Chapter 5 Creating Your Portal Design 119

Using Two Gateways and Netlet Proxy

Load balancers provide a failover mechanism for higher availability for

redundancy of services on the Portal Servers and Access Managers.

Figure 5-16 Two Gateways and Netlet Proxy

Gateway

NetFile

Netlet

Client

NetFile

Netlet

Netlet traffic

HTTP traffic

HTTP

Web

Proxy

Netlet

Proxy

Load

Balancer

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Portal Server 6 1
Deployment Planning Guide 1
Contents 3
Contents 5 5
Contents 7 7
List of Figures 9
List of Tables 11
Before You Read This Book 13
Who Should Read This Book 13
How This Book Is Organized 14
Conventions Used in This Book 15
Related Documentation 16
Other Server Documentation 17
Sun Welcomes Your Comments 19
Portal Server Architecture 21
Types of Portals 22
Portal Server Capabilities 23
Sun Java System Portal Server 24
Secure Remote Access 25
Portal Server in Secure Mode 26
Applications 27
Identity Management 30
Software Packaging 31
Software Categories 31
Figure 1-4 SRA Deployment 35
Architecture 37
Proxy Configuration 39
Gateway and SSL Support 39
Gateway Access Control 40
Gateway Logging 41
Split Tunneling 43
Netlet Proxy 44
Initialization 45
Validating Credentials 45
Access Control 46
Security 46
Special Operations 46
Rewriter Proxy 48
Business Objectives 51
Technical Goals 53
Search Engine 57
Personalization 58
Aggregation and Integration 58
Pre-Deployment Considerations 61
Portal Sizing Tips 62
Portal Sizing 63
Peak Numbers 64
Concurrent Users 65
Average Session Time 66
Search Engine Factors 66
Portal Desktop Configuration 67
Hardware and Applications 68
Back-End Servers 68
Transaction Time 68
Workload Conditions 69
LDAP Transaction Numbers 70
SRA Sizing 72
Requirements 73
Netlet Usage Characteristics 74
Advanced Gateway Settings 75
Scalability 76
Creating Your Portal Design 79
Portal Design Approach 80
Logical Portal Architecture 81
Portal Server and Scalability 83
System Availability 85
Degrees of High Availability 85
Portal 86
SMTP/IMAP 87
Best Effort 92
No Single Point of Failure 93
Transparent Failover 96
Building Module Constraints 97
Directory Server Requirements 98
Search Engine Structure 98
Elements of Portal Use Cases 100
Using Platform Security 103
Limiting Access Control 104
3. Restart amserver services 110
Basic SRA Configuration 112
Disable Netlet 113
Proxylet 114
Multiple Gateway Instances 115
Netlet and Rewriter Proxies 116
Rewriter 117
Netlet traffic 119
HTTP traffic 119
Using an Accelerator 120
Netlet with 3rd Party Proxy 121
Reverse Proxy 122
Designing for Localization 123
Integration Design 124
Independent Software Vendors 125
Implementing Single Sign-On 128
Portal Desktop Design 128
Working with Providers 129
Client Support 131
The Production Environment 133
Documenting the Portal 134
Monitoring Portal Server 135
CPU Utilization 136
Thread Usage 137
Portal Usage Information 138
Installed Product Layout 139
Directories Installed for SRA 140
Configuration Files 141
Analysis Tools 143
What to Look For 145
Considerations 145
What to look for 149
Considerations: 149
Consider the following: 149
Tuning Parameters for 150
/etc/system 150
Table B-3 TCP/IP Options 151
Portal Server 153
/welcome.html 157
XMLConfig 157
Troubleshooting Your Portal 159
Deployment 159
Log Files 160
Troubleshooting Portal Server 161
Troubleshooting SRA 162
Introduction to 163
./shooter.sh 164
SRA Log Files 165
Gateway-hostname 166
Gateway-profile-name 166
Portal Deployment Worksheets 167
Table E-1 General Questions 168
Portal Assessment Worksheets 169
Portal Design Task List 171
2. Design 172
Java System 173
Sun Java System Portal 173
4. Deployment Production 176
Limitations Using Linux 179
Glossary 181
Section B 184
Section E 185
Index 185 185
Section H 186
Section M 187
Index 187 187
Section O 188
Section Q 189
Index 189 189
Section T 190
Section W 191
Index 191 191
Section X 192

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