Management Policy Service for Distributed Systems

  • Authors:
  • Damian Marriott;Morris Sloman

  • Affiliations:
  • -;-

  • Venue:
  • SDNE '96 Proceedings of the 3rd Workshop on Services in Distributed and Networked Environments (SDNE '96)
  • Year:
  • 1996

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Abstract

Interpreting policy in automated managers facilitates the dynamic change of behavior of a distributed management system by simply changing policies. This paper describes a management policy notation which can be used to define both authorization policies (what activities a manager is permitted to do) and obligation policies (the activities a manager must perform). Some example policy specifications are given to demonstrate the notation and the concepts involved. A graphical policy editor is described which permits high level abstract policies to be refined into lower level, implementable policies and maintains derivation and dependency relationships between the different policies. A policy service which stores policies is outlined and its integration within a domain service for grouping policies is explained. Outlines are given of implementations of automated managers for interpreting obligation policies and of an access control mechanism for enforcing authorization policies.