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Oracle Directory Server Enterprise Edition Deployment Planning Guide 11g Release 1 (11.1.1.5.0) |
Part I Overview of Deployment Planning for Directory Server Enterprise Edition
1. Introduction to Deployment Planning for Directory Server Enterprise Edition
2. Business Analysis for Directory Server Enterprise Edition
Part II Technical Requirements
3. Usage Analysis for Directory Server Enterprise Edition
4. Defining Data Characteristics
5. Defining Service Level Agreements
6. Tuning System Characteristics and Hardware Sizing
7. Identifying Security Requirements
8. Identifying Administration and Monitoring Requirements
9. Designing a Basic Deployment
10. Designing a Scaled Deployment
11. Designing a Global Deployment
Availability and Single Points of Failure
Advantages and Disadvantages of Redundancy
Redundancy at the Hardware Level
Redundancy at the Software Level
Using Replication and Redundancy for High Availability
Using Redundant Replication Agreements
Promoting and Demoting Replicas
Using Directory Proxy Server as Part of a Redundant Solution
Using Application Isolation for High Availability
Sample Topologies Using Redundancy for High Availability
Using Replication for Availability in a Single Data Center
Using Replication for Availability Across Two Data Centers
Using Multiple Directory Proxy Servers
Part IV Advanced Deployment Topics
13. Using LDAP-Based Naming With Solaris
14. Deploying a Virtual Directory
High availability implies an agreed minimum “up time” and level of performance for your directory service. Agreed service levels vary from organization to organization. Service levels might depend on factors such as the time of day systems are accessed, whether or not systems can be brought down for maintenance, and the cost of downtime to the organization. Failure, in this context, is defined as anything that prevents the directory service from providing this minimum level of service.
This chapter covers the following topics: