Autodesk® Network License Manager
8
Distributed License Servers
In the distributed license server model, licenses are distributed across two or more servers. A
unique license file is required for each server. Each server can have different features and
number of licenses. When a network licensed product starts up, it tries each server for a license
in the order you specified on the client as specified during installation or later by updating the
ADSKFLEX_LICENSE_FILE environment variable.
Advantages of the Distributed License Server Model
Servers can be distributed across a wide area network (WAN); they do not need to exist
on the same subnet.
If one server in the distributed server pool fails, the licenses on the remaining servers
are still available. The strategic placement of the distributed servers provides fault
tolerance of server and infrastructure failures.
If you need to replace a server in the distributed server pool, you do not need to rebuild
the entire pool.
Server replacement is easier than in a redundant server pool, where you must reactivate
the entire pool.
Workstation or server operating systems may be used as license managers.
It’s easy to set up priority user access.
There is no communication between the different distributed servers.
Disadvantages of the Distributed License Server Model
If a server in the distributed server pool fails, the licenses on that server are unavailable.
Wide area network (WAN) technology suffers from latency and reliability issues.
This model can require more time for setup and maintenance than other models.
Tip! Put the distributed servers close to the users. For example one per each physical office
location or city.
Distributed servers can also function simultaneously as single servers if you combine the
license files.
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