Table 5-1, Portal server high availability scenarios – Sun Microsystems Portal Server 6 User Manual
Page 91
Working with Portal Server Building Modules
Chapter 5
Creating Your Portal Design
91
summarizes these high availability scenarios along with their supporting
techniques.
Table 5-1
Portal Server High Availability Scenarios
Component
Requirements
Necessary for Best
Effort Deployment?
Necessary for NSPOF
Deployment?
Necessary for Transparent
Failover Deployment?
Hardware Redundancy
Yes
Yes
Yes
Portal Server Building
Modules
No
Yes
Yes
Multi-master Configuration
No
Yes
Yes
Load Balancing
Yes
Yes
Yes
Stateless Applications and
Checkpointing
Mechanisms
No
No
Yes
Session Failover
No
No
Yes.
Directory Server Clustering
No
No
Yes
NOTE
Load balancing is not provided out-of-the-box with the Web Server
product.