Considerations of point-to-multipoint qos based route optimization using PCEMP

  • Authors:

  • Dipnarayan Guha;Seng Kyoun Jo;Doan Huy Cuong;Jun Kyun Choi

  • Affiliations:

  • Researcher, BcN ITRC, Broadband Network Laboratory, Information and Communications University, Daejeon, Republic of Korea;Researcher, BcN ITRC, Broadband Network Laboratory, Information and Communications University, Daejeon, Republic of Korea;Researcher, BcN ITRC, Broadband Network Laboratory, Information and Communications University, Daejeon, Republic of Korea;Associate Professor, BcN ITRC, Broadband Network Laboratory, Information and Communications University, Daejeon, Republic of Korea

  • Venue:
  • EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
  • Year:
  • 2005

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Abstract

This paper describes the basic concepts of point-to-multipoint (p2mp) path computation on the basis of the Path Computation Element Metric Protocol (PCEMP). PCEMP, being soft-memory based, has the capability of dynamic configuration of its finite state machines (FSMs) in the participating PCEMP peers, and thus can support a wide variety of traffic engineering techniques that are needed to guarantee bandwidth demand and scalable fast protection and restoration in PCE based p2mp frameworks ensuring end-to-end QoS support. The authors have proposed this concept in the newly constituted PCE WG (Path Computation Element Work Group) in the RTG sub-area of the IETF. In this research-in-progress paper, we show how PCEMP as it is defined, and the optimal number of PCE Domain Areas (PCEDAs) that might be allocated to a PCE node for the best performance in end-to-end QoS management based on a tight optimal Cramer Rao bound for the state machine executions.