Affiliations: Arizona State University, Tempe, Arizona, USA
Note: [] Corresponding author: Nong Ye, Professor of Industrial
Engineering and affiliated Professor of Computer Science and Engineering,
Arizona State University, Information and Systems Assurance Laboratory, Box
875906, Tempe, Arizona 85287-5906, USA. Tel.: +1 480 965 7812; Fax: +1 480 965
8692; E-mail: [email protected]
Abstract: Computer networks, which play a crucial role in the operation of
many organizations, are vulnerable to various problems that may cause traffic
condition changes, with possible negative impact. In computer and network
systems management, it is desirable to detect such changes and correct them
before localized problems propagate to an entire network. For large networks,
monitoring large amounts of data at all points is inefficient. This study aims
to direct network management to those data measures and collection points that
are most effective for efficiently detecting traffic condition changes;
minimizing the amount of data required for accurate analysis. We design and
build a network model to experiment under normal and problem network
conditions. Our results indicate that IP traffic received is a good metric for
detecting traffic condition changes on our network. The best point for
collecting this metric is at popular routers at the edge of collections of
sub-networks.