HP-UX Directory Server 8.1 deployment guide
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
4 Table of Contents