11. Privacy and Security Design

Understanding and Deploying LDAP Directory Services > 9. Topology Design

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Chapter 9. Topology Design

LDAP directory services are designed to support a distributed directory , in which the complete directory tree is spread across multiple physical directory servers. Your directory service's topology describes the way you divide your directory tree among physical servers and how you allocate those servers among your organization's physical locations. Making good choices about your directory topology will help you:

  • Achieve the best possible performance for your directory-enabled applications

  • Increase directory availability

  • Better manage your directory

In this chapter we first examine how a distributed directory works. We discuss several important background concepts, including the definition of a directory partition, name resolution in a distributed directory, and how separate partitions are hooked together into a single directory through the use of referrals or chaining. Finally, we discuss why you might or might not want to partition your directory, and we work through two sample scenarios.

This chapter is closely related to Chapters 8, "Namespace Design," and 10, "Replication Design." In fact, we suggest that you read all three chapters as a unit because decisions concerning namespace design have direct consequences for your directory topology, which in turn has a direct bearing on your replication strategy. After you read this chapter, you'll know how to partition your directory service for maximum performance and manageability and how to allocate servers across your LAN or WAN. This knowledge, along with the information presented in Chapter 10, will help you design a highly robust, high-performance directory service.



Understanding and Deploying LDAP Directory Services,  2002 New Riders Publishing
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Index terms contained in this section

design
          topologies 2nd 3rd
directories
          topologies 2nd 3rd
topologies 2nd 3rd

2002, O'Reilly & Associates, Inc.



Understanding and Deploying LDAP Directory Services
Understanding and Deploying LDAP Directory Services (2nd Edition)
ISBN: 0672323168
EAN: 2147483647
Year: 1997
Pages: 245

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