NDLI: Automated refinement of policies for network management.

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Automated refinement of policies for network management.

Content Provider	CiteSeerX
Author	Romeikat, Raphael Bauer, Bernhard Sanneck, Henning
Abstract	Abstract—Policy-based management is a flexible approach for the management of networks as policies make contextsensitive and automated decisions. For their effective development it is desired to specify policies at a high level of abstraction initially and to refine them until they are represented in a machine-executable way. We present an approach that uses models to specify event-condition-action (ECA) policies at different abstraction layers and that uses model transformations to refine them in an automated way. A relational algebra is used to formally validate the models and define the semantics of the refinement process. One benefit of the approach is the automated policy refinement at runtime. Changes at the high-level models are automatically reflected in their low-level implementation through refinement. This allows to manage a system at a high level of abstraction. The approach is applied to the network management domain and demonstrated with policies for physical cell identification (PCI) in a mobile network. It can also be applied to other domains and supports a flexible number of abstraction layers. Keywords-policy-based management; model-driven engineering; network management I.
File Format	PDF
Access Restriction	Open
Subject Keyword	Network Management Automated Refinement High Level Automated Policy Refinement Physical Cell Identification Automated Way Machine-executable Way Flexible Approach Model-driven Engineering Keywords-policy-based Management Relational Algebra High-level Model Low-level Implementation Effective Development Mobile Network Network Management Domain Refinement Process Abstract Policy-based Management Different Abstraction Layer Model Transformation Automated Decision Flexible Number Abstraction Layer
Content Type	Text

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