Patent ReferencesNetwork policy implementation system for performing network control operations in response to changes in network state System and method for implementing a hierarchical policy for computer system administration Method and apparatus for defining and enforcing policies for configuration management in communications networks Policy management and conflict resolution in computer networks Method and apparatus for automatically updating software components on end systems over a network Distributed system and method for controlling access control to network resources Method and apparatus for defining and implementing high-level quality of service policies in computer networks Patent #: 6167445 InventorsApplicationNo. 205831 filed on 12/03/1998US Classes:709/223, COMPUTER NETWORK MANAGING370/254, NETWORK CONFIGURATION DETERMINATION707/5, Query augmenting and refining (e.g., inexact access)709/221, Reconfiguring709/222InitializingExaminersPrimary: Sheikh, Ayaz R.Assistant: Jean, Frantz B. Attorney, Agent or FirmInternational ClassG06F 015/173AbstractA method and apparatus are provided for recognizing and processing conflicts in policies that govern a policy-based system. The method and apparatus may be implemented as a policy verifier that acts upon one or more policies. Each policy is formally defined and comprises a condition and a consequent, each of which are further formally defined in terms of component elements. A conflict among two or more policies is formally defined to occur when the condition of a first policy and the condition of a second policy may be simultaneously true, and when the consequent of the first policy and the consequent of the second policy may not be carried out simultaneously. When a policy conflict is detected, the conflict is resolved by bringing it to the attention of a user or external system, and receiving information that corrects one of the policies or specifies a precedence relationship among the policies.Other References
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