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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 52-612
Full Name: Prakash P S Sundararajan
Position: Associate Professor
Age: ON
Sex: Male
Address: Department of computer Science and Engineering, Sri ramakrishna Engineering College Coimbatore 641022
Country: INDIA
Tel: +919994525625
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E-mail address: prakashpsrajan@rediffmail.com
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Title of the Paper: Delay Coerced Multi Constrained Quality of Service Routing Algorithm
Authors as they appear in the Paper: Prakash P.S , Selvan S
Email addresses of all the authors: prakashpsrajan@rediffmail.com, drselvan@ieee.org
Number of paper pages: 10
Abstract: IP networks are evolving from data communication infrastructure into many tight-constraint applications such as video conferencing, IP telephony and require stringent Quality-of-Service (QoS) requirements. A rudimentary issue in QoS routing is to find a path between source-destination pair that satisfies two or more end-to-end constraints. A difficulty in multi constrained routing is that it is intractable. In this context, a multi constrained QoS routing algorithm, Delay Coerced Multi Constrained Routing (DCMCR) is proposed. It approximates (K-1) constraints while coercing one of the constraints. DCMCR is (1+α) (K-1) approximation algorithm and it finds a feasible solution whose first path weight is bound by the first constraint and approximating remaining (K-1) constraints. The proposed algorithm is applied where one of the constraints is strictly satisfied and it performs well by choosing appropriate values of α and constraint bounds. The variety of ex!
perimental validations is carried out on different scenario to analyze the performance of the proposed scheme.
Keywords: QoS routing, coerce, multi constraint, approximation algorithm, Additive, Intractable
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