IMS Manthan (The Journal of Mgt., Comp. Science & Journalism)

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Sizable Improvement for Reducing Packet Loss Rate in Video Transmission


Affiliations
1 FIE Department of CSE, College of Technology and Engineering, MPUAT, Udaipur, India
2 Department of CSIE, National Quemoy University, Taiwan R.O.C., China
3 Computer Science, MLSU, Udaipur, India
     

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Internet started as an experimental network for researchers and primarily was used as a medium for applications like file transfer and email. Some of the modern applications like video transmission over IP network require certain guarantees in terms of available network bandwidth. Packet loss directly affects the perceived quality of the video and packet loss can be caused by network congestion, which results in dropped packets.The QoS solutions for video transmission over IP network presently include integrated services (IntServ) [4], differentiated services [5], and multiprotocol label switching (MPLS) [6]. Among them, the DiffServ is regarded as a dominant protocol for its flexibility, scalability, and capability of QoS guarantee. An extensive simulation model has been developed to study the performance and viability for the video transmission over IP Network. The performance of video over DiffServ is studied with extensive simulation results and by comparing the performance of improved token bucket TCM algorithm with existing srTCM (single-rate three color marker) [2] and trTCM (two-rate three-color marker) [3] algorithms over DiffServ network. The paper suggests a mechanism (improved token bucket TCM) in order to improve the quality of video over Internet. The enhancement mechanism shows a sizable improvement in terms of reducing the total packet loss during the video communication.

Keywords

DiffServ , IntServ ,srTCM, trTCM, QoS
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  • J. Heinanen, and R. Guerin, “A Single Rate Three Color marker,” RFC 2697, September 1999.

  • J. Heinanen, and R. Guerin, “A Two Rate Three Color Marker,” RFC 2698, September 1999.

  • Integrated Services (intserv) Charter, “http://www.ietf.org/ html.charters/ intservcharter.html”.

  • Differentiated Services (diffserv) Charter, “ http://www.ietf.org/ html. charters/ diffservcharter.html”.

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  • K.nichols, S. Blake, F. baker, D. Black, “Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers” RFC 2474, December 1998.

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  • Sizable Improvement for Reducing Packet Loss Rate in Video Transmission

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Authors

Dharm Singh
FIE Department of CSE, College of Technology and Engineering, MPUAT, Udaipur, India
Chih-Heng Ke
Department of CSIE, National Quemoy University, Taiwan R.O.C., China
M. K. Jain
Computer Science, MLSU, Udaipur, India

Abstract


Internet started as an experimental network for researchers and primarily was used as a medium for applications like file transfer and email. Some of the modern applications like video transmission over IP network require certain guarantees in terms of available network bandwidth. Packet loss directly affects the perceived quality of the video and packet loss can be caused by network congestion, which results in dropped packets.The QoS solutions for video transmission over IP network presently include integrated services (IntServ) [4], differentiated services [5], and multiprotocol label switching (MPLS) [6]. Among them, the DiffServ is regarded as a dominant protocol for its flexibility, scalability, and capability of QoS guarantee. An extensive simulation model has been developed to study the performance and viability for the video transmission over IP Network. The performance of video over DiffServ is studied with extensive simulation results and by comparing the performance of improved token bucket TCM algorithm with existing srTCM (single-rate three color marker) [2] and trTCM (two-rate three-color marker) [3] algorithms over DiffServ network. The paper suggests a mechanism (improved token bucket TCM) in order to improve the quality of video over Internet. The enhancement mechanism shows a sizable improvement in terms of reducing the total packet loss during the video communication.

Keywords


DiffServ , IntServ ,srTCM, trTCM, QoS

References