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Chapter 1 The ADU Server
10 Agent Data Unit Server Programmer’s Guide
Cooperation of ADU Servers
When a new ADU Server is added to Avaya IC, existing ADU Servers must be made aware of the
new server through use of the IC Manager. Refer to IC Administration Volume 1: Servers &
Domains for information on updating servers.
When the ADU Servers have been made aware of each other, they can make requests of each
other. This is most significant in the area of the Assign method. When a client Assigns to an ADU
Server, the Assign is relayed to other ADU Servers, and they watch for ADUs that match the
client’s Assign criteria as well. This makes Assign a relatively expensive operation, and clients
should be designed so they only need to Assign once to specify the ADUs in which they are
interested. Assigning to multiple ADU Servers is unnecessary and causes numerous problems.
Every ADUID identifies the server that created it and the time at which it was created. When a
client requests access to an ADU, the ADU Server that the client is using acts as a proxy to the
originating ADU Server of the ADU.