Handoff control in the PNNI hierarchy of mobile ATM networks

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Abstract

This paper studies handoff control mechanisms for mobile ATM networks with PNNI hierarchical structure. In this paper, we propose a hierarchical rerouting (HRR) scheme for handoff control which utilizes the PNNI routing information during the path rerouting procedures. The scheme can identify the crossover switch (COS discovery) in a hierarchical fashion, so that the additional signaling delay for the handoff control becomes scalable to the size of the network. Compared with previously available flat rerouting (FRR) schemes, the HRR scheme can effectively reduce the processing time for COS discovery in a PNNI network and, therefore, reduce the handoff latency. Experimental results are obtained using a PNNI network simulator and the performance of typical path rerouting algorithms is evaluated.

Original languageEnglish (US)
Pages (from-to)306
Number of pages1
JournalProceedings of the Hawaii International Conference on System Sciences
StatePublished - 1999
Externally publishedYes
EventProceedings of the 1999 32nd Annual Hawaii International Conference on System Sciences, HICSS-32 - Maui, HI, USA
Duration: Jan 5 1999Jan 8 1999

All Science Journal Classification (ASJC) codes

  • Computer Science(all)

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