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Simplifying network administration using policy-based management

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1 Author(s)
Verma, D.C. ; IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA

The management of network infrastructure in an enterprise is a complex and. daunting affair. In an era of increasing technical cornplexity, it is becoming difficult to find trained personnel who can manage the new features introduced into the various servers, routers, and switches. Policy-based network management provides a means by which the administration process can be simplified and largely automated. In this article we look at a general policy-based architecture that can be used to simplify several new technologies emerging in the context of IP networks. We explain how network administration can be simplified by defining two levels of policies, a business level and a technology level. We discuss how business-level policies are validated and transformed into technology-level policies, and present some algorithms that can be used to check for policy conflicts and unreachable policies. We then show how to apply this architecture to two areas: managing performance service level agreements, and supporting enterprise extranets using IPSec communication

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Network, IEEE  (Volume:16 ,  Issue: 2 )