An efficient load balancing strategy for scalable WAP gateways

Te Hsin Lin, Kuo-Chen Wang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

In this paper, we propose a load balancing strategy that has the following features: (1) estimating the potential load of real gateways with low computation and no communication overhead, (2) asynchronous alarm sent when the utilization of a real gateway exceeds a critical threshold, and (3) WAP-awareness. We also propose a scalable WAP gateway (SWG) that consists of a WAP dispatcher and a cluster of real gateways. The WAP dispatcher is a front-end distributor with our load balancing strategy. To prevent the WAP dispatcher from becoming a bottleneck, the WAP dispatcher distributes mobile clients' requests in kernel space and does not process outgoing gateway-to-client responses. Experimental results show that our SWG has better load balancing performance, throughput, and delay compared to the LVS and the Kannel gateway. Although WAP services are not so popular as expected, our load balancing strategy, can be easily adapted to other distributed services.

Original languageEnglish
Title of host publicationProceedings - 9th International Conference on Parallel and Distributed Systems, ICPADS 2002
PublisherIEEE Computer Society
Pages625-630
Number of pages6
ISBN (Electronic)0769517609
DOIs
StatePublished - 1 Jan 2002
Event9th International Conference on Parallel and Distributed Systems, ICPADS 2002 - Taiwan, China
Duration: 17 Dec 200220 Dec 2002

Publication series

NameProceedings of the International Conference on Parallel and Distributed Systems - ICPADS
Volume2002-January
ISSN (Print)1521-9097

Conference

Conference9th International Conference on Parallel and Distributed Systems, ICPADS 2002
CountryChina
CityTaiwan
Period17/12/0220/12/02

Keywords

  • Access protocols
  • Delay
  • Discussion forums
  • Information science
  • Kernel
  • Load management
  • Reluctance generators
  • Scalability
  • Wireless application protocol
  • Wireless networks

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