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An Optimal Probabilistic Traffic Engineering Scheme for Heterogeneous Networks


Affiliations
1 ICFAI University, Agartala, India
2 Department of E & ECE, IIT, Kharagpur, India
3 Department of E & ECE, IIT Khargapur, India
4 Department of GSSST, IIT, Khargapur, India
     

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A probabilistic traffic engineering scheme in terms of packet routing procedure for two gateway models with N trunks is proposed and analyzed for heterogeneous network. For trafficconsidered as Poisson process of arrival rateλ for SIP based packet switched network to the circuit-switched public switched telephone networks (PSTN). Analysis reporting is presented for the end-to-end performance. The theoretical results are supplemented by numerical work. The main objective is that to maximize the quality of services. An efficient routing scheme for explicitly solving the problem is presented and specific examples are analyzed. It is shown by analysis and simulation that weighted symmetric probabilistic routing optimizes a cost function which is a linear combination of loss and delay. As a consequence of this optimal probabilistic routing the good QoS performance is achieved.


Keywords

Session Initiation Protocol, PSTN, Packet Routing, Weighted Cost Function.
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  • An Optimal Probabilistic Traffic Engineering Scheme for Heterogeneous Networks

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Authors

Chinmay Chakraborty
ICFAI University, Agartala, India
S. S. Pathak
Department of E & ECE, IIT, Kharagpur, India
Rajarshi Roy
Department of E & ECE, IIT Khargapur, India
Saswat Chakrabarti
Department of GSSST, IIT, Khargapur, India

Abstract


A probabilistic traffic engineering scheme in terms of packet routing procedure for two gateway models with N trunks is proposed and analyzed for heterogeneous network. For trafficconsidered as Poisson process of arrival rateλ for SIP based packet switched network to the circuit-switched public switched telephone networks (PSTN). Analysis reporting is presented for the end-to-end performance. The theoretical results are supplemented by numerical work. The main objective is that to maximize the quality of services. An efficient routing scheme for explicitly solving the problem is presented and specific examples are analyzed. It is shown by analysis and simulation that weighted symmetric probabilistic routing optimizes a cost function which is a linear combination of loss and delay. As a consequence of this optimal probabilistic routing the good QoS performance is achieved.


Keywords


Session Initiation Protocol, PSTN, Packet Routing, Weighted Cost Function.