Designing Your Novell eDirectory Network
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This design ensures that replication traffic between different sites is not unnecessarily
consuming WAN bandwidth.
• Partition locally around the servers. Keep physically distant servers in separate partitions.
For more information on managing your WAN traffic, see
Chapter 11, “WAN Traffic Manager,” on
page 277
.
2.3.2 Determining Partitions for the Lower Layers of the Tree
When designing the partitions for the lower layers of the eDirectory tree, keep the following in
mind:
• Define lower-layer partitions by organizational divisions, departments, and workgroups, and
their associated resources.
• Partition so that all objects in each partition are at a single location. This ensures that updates to
eDirectory can occur on a local server.
2.3.3 Determining Partition Size
With eDirectory, we recommend the following design limits for partition sizes:
This change in design guidelines from NDS
®
6 and 7 is due to architectural changes in NDS 8.
These recommendations apply to distributed environments such as corporate enterprises. These
recommendations might not subsequently apply to e-business or applications.
Although typical e-business users require that all the data be stored on a single server, eDirectory
provides filtered replicas that can contain a subset of objects and attributes from different areas of
the tree. This allows for the same e-business needs without storing all the data on the server. For
more information, see
“Filtered Replicas” on page 54
.
2.3.4 Considering Network Variables
Consider the following network variables and their limitations when planning your partitions:
• The number and speed of servers
• The speed of network infrastructure (such as network adapters, hubs, and routers)
Element
Limit
Partition Size
Unlimited Objects
Replica Directory Information Base (DIB) limited
to ITB
Total number of partitions in tree
Unlimited
Number of child partitions per parent
150
Number of replicas per partition
50
Limited by replica DIB
Number of replicas per replica server
250
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