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!"$#%#&')(0#123 46587%1@9BACEDF1GIH PRQS7 T#U' V)#%7 W1

Summary:  !"$#%#&')(0#123 46587%1@9BACEDF1GIH PRQS7
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J. C. de Oliveira*, C. Scoglio*, T. Anjali*, L. Chen*, I. Akyildiz*,
J. A. Smith**, G. Uhl**, and A. Sciuto**
*Georgia Institute of Technology, Atlanta, GA, USA
**NASA Goddard Space Flight Center, Greenbelt, MD, USA
In this paper, TEAM, an automated manager for DiffServ/MPLS networks is introduced. TEAM is composed of a Traffic
Engineering Tool (TET), which deals with resource and route management issues, a Measurement and Performance
Evaluation Tool (MPET), which measures important parameters in the network and inputs them to TET, and a Simulation
Tool (ST), which may be used by TET to consolidate its decisions. Details of the issues addressed by each tool are
described. All proposed algorithms were individually evaluated through simulation and experiments on a physical testbed.
The design and implementation details of each tool are discussed.
Keywords: DiffServ, MPLS, Traffic Engineering, Automated Network Management
One of the most actively studied open issues in several areas of communication networks is the problem of bandwidth
reservation and management. Load balancing is another important issue. It is desirable to avoid portions of the network
becoming over-utilized and congested, while alternate feasible paths remain underutilized. These issues are addressed
by Traffic Engineering (TE). The MultiProtocol Label Switching (MPLS) technology is a suitable method to provide TE,
independent of the underlying layer2 technology.X MPLS per se cannot provide service differentiation, which brings up


Source: Anjali, Tricha - Department of Electrical and Computer Engineering, Illinois Institute of Technology


Collections: Computer Technologies and Information Sciences; Engineering