Towards self-configuring networks
Konstantinou, A.V.
Florissi, D.
Yemini, Y.
Dept. of Comput. Sci., Columbia Univ.;
This paper appears in: DARPA Active NEtworks Conference and Exposition, 2002. Proceedings
Publication Date: 2002
On page(s): 143-156
Meeting Date: 05/29/2002 - 05/30/2002
Location: San Francisco, CA, USA
ISBN: 0-7695-1564-9
References Cited: 51
INSPEC Accession Number: 7342932
Digital Object Identifier: 10.1109/DANCE.2002.1003489
Current Version Published: 2002-08-07
Abstract
Current networks require ad-hoc operating procedures by expert
administrators to handle changes. These configuration management
operations are costly and error prone. Active networks involve
particularly fast dynamics of change that cannot depend on operators and
must be automated. This paper describes an architecture called NESTOR
that seeks to replace labor-intensive configuration management with one
that is automated and software-intensive. Network element configuration
state is represented in a unified object-relationship model. Management
is automated via policy rules that control change propagation across
model objects. Configuration constraints assure the consistency of model
transactions. Model objects are stored in a distributed repository
supporting atomicity and recovery of configuration change transactions.
Element adapters are responsible for populating the repository with
configuration objects, and for pushing committed changes to the
underlying network elements. NESTOR has been implemented in two
complementary versions and is now being applied to automate several
configuration management scenarios of increasing complexity, with
encouraging results
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