HP UX Direry Server 4 Designing the directory tree, 5 Designing the directory topology

3.4.7 Creating custom schema files..................................................................................................	34
3.4.8 Custom schema best practices.................................................................................................	35
3.4.8.1 Naming schema files.......................................................................................................	35
3.4.8.2 Using 'user defined' as the origin....................................................................................	36
3.4.8.3 Defining attributes before object classes.........................................................................	36
3.4.8.4 Defining schema in a single file......................................................................................	36
3.5 Maintaining consistent schema.......................................................................................................	36
3.5.1 Schema checking.....................................................................................................................	37
3.5.2 Selecting consistent data formats............................................................................................	37
3.5.3 Maintaining consistency in replicated schema.......................................................................	37
3.6 Other schema resources...................................................................................................................	38
4 Designing the directory tree........................................................................................	39
4.1 Introduction to the directory tree....................................................................................................	39
4.2 Designing the directory tree............................................................................................................	39
4.2.1 Choosing a suffix.....................................................................................................................	39
4.2.1.1 Suffix naming conventions..............................................................................................	40
4.2.1.2 Naming multiple suffixes................................................................................................	40
4.2.2 Creating the directory tree structure.......................................................................................	41
4.2.2.1 Branching the directory...................................................................................................	41
4.2.2.2 Identifying branch points................................................................................................	42
4.2.2.3 Replication considerations..............................................................................................	44
4.2.2.4 Access control considerations.........................................................................................	45
4.2.3 Naming Entries.......................................................................................................................	46
4.2.3.1 Naming person entries....................................................................................................	46
4.2.3.2 Naming group entries.....................................................................................................	47
4.2.3.3 Naming organization entries..........................................................................................	47
4.2.3.4 Naming other kinds of entries........................................................................................	48
4.3 Grouping directory entries..............................................................................................................	48
4.3.1 About roles..............................................................................................................................	48
4.3.2 Deciding between roles and groups........................................................................................	49
4.3.3 About class of service..............................................................................................................	49
4.4 Virtual directory information tree views........................................................................................	50
4.4.1 About virtual DIT views.........................................................................................................	50
4.4.2 Advantages of using virtual DIT views..................................................................................	53
4.4.3 Example of virtual DIT views.................................................................................................	54
4.4.4 Views and other directory features.........................................................................................	55
4.4.5 Effects of virtual views on performance.................................................................................	55
4.4.6 Compatibility with existing applications................................................................................	55
4.5 Directory tree design examples.......................................................................................................	56
4.5.1 Directory tree for an international enterprise.........................................................................	56
4.5.2 Directory tree for an ISP..........................................................................................................	57
4.6 Other directory tree resources.........................................................................................................	57
5 Designing the directory topology...............................................................................	59
5.1 Topology overview..........................................................................................................................	59
5.2 Distributing the directory data........................................................................................................	59
5.2.1 About using multiple databases..............................................................................................	60
5.2.2 About suffixes.........................................................................................................................	61
5.3 About knowledge references...........................................................................................................	62
5.3.1 Using referrals.........................................................................................................................	62
5.3.1.1 The structure of an LDAP referral..................................................................................	63
5.3.1.2 About default referrals....................................................................................................	63

4Table of Contents