Principles of secure network configuration: towards a formal basis for self-configuration

Authors:
Simon N. Foley;William Fitzgerald;Stefano Bistarelli;Barry O'Sullivan;Mícheál Ó Foghlú
Affiliations:
Department of Computer Science, University College Cork, Ireland;Waterford Institute of Technology, Ireland;Dipartimento di Scienze, Università “G. D'Annunzio” di Chieti-Pescara, Italy;Department of Computer Science, University College Cork, Ireland;Waterford Institute of Technology, Ireland
Venue:
IPOM'06 Proceedings of the 6th IEEE international conference on IP Operations and Management
Year:
2006

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Abstract

The challenge for autonomic network management is the provision of future network management systems that have the characteristics of self-management, self-configuration, self-protection and self-healing, in accordance with the high level objectives of the enterprise or human end-user. This paper proposes an abstract model for network configuration that is intended to help understand fundamental underlying issues in self-configuration. We describe the cascade problem in self-configuring networks: when individual network components that are securely configured are connected together (in an apparently secure manner), a configuration cascade can occur resulting in a mis-configured network. This has implications for the design of self-configuring systems and we discuss how a soft constraint-based framework can provide a solution.