H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/24 (2006.01) H04L 12/26 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01) H04L 29/12 (2006.01) H04Q 3/00 (2006.01)
Patent
CA 2292272
A directory-based network comprises user-callable network elements, at least one directory server, and at least one call/process server. The call/process server comprises several decoupled engines including a policy engine which upon system initialization or upon request retrieves a plurality of policy scripts from a directory server and constructs from them an adaptive context-sensitive policy tree. Upon user call to a network element requesting a service, an agent of the call/process server, which agent is located in the network element, forwards an admission request to the call/process server which executes policy tree in the context of the request and of the current state of the network as reflected in the directory server and in said several decoupled engines of the call/process server. An admission reply is returned to the network element, the contents of which are retained in service-specific control block in the network element and used to control the execution of the request. Policy scripts can easily be entered, deleted, or modified and a new policy tree built immediately.
Nortel Networks Corporation
Nortel Networks Limited
Smart & Biggar
LandOfFree
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