Title

Analyses and Improvements of Link Management Protocol for GMPLS-Based Networks

Abstract

Generalized Multiprotocol Label Switching (GMPLS) is maturing to shape the next-generation mobile broadband IP networks, which will accommodate diverse technologies and various systems together. The Link Management Protocol (LMP), launched under the GMPLS context and being standardized by IETF, is designed for managing traffic-engineering (TE) links and verifying the reachability of control channels. A detailed study of the latest Internet-Draft on LMP has been conducted. Two important flaws in two of the four constituent procedures for LMP have been pointed out and improved by us in this paper. With regard to the link connectivity verification procedure, a batch-mode scheme is designed for enhancing its performance, scalability and flexibility, with theoretical analyses. In respect of the control channel management, a Privileged Hello Protocol is introduced to evade the dead-loop malfunction.

Meeting Name

IEEE Global Telecommunications Conference GLOBECOM'03 (2003: Dec. 1-5, San Francisco, CA)

Department(s)

Computer Science

Keywords and Phrases

Broadband networks; Interfaces (computer); Network protocols; Numerical methods; Problem solving; Switching; Telecommunication traffic, Connectivity verification procedure; Dead-loop malfunction; Generalized multiprotocol label switching (GMPLS); Link management protocols (LMP), Telecommunication links

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2003 Institute of Electrical and Electronics Engineers (IEEE), All rights reserved.

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