A framework of using cooperating mobile agents to achieve load sharing in distributed web server groups

  • Authors:

  • Jiannong Cao;Xianbing Wang;Sajal K. Das

  • Affiliations:

  • Internet and Mobile Computing Lab, Department of Computing, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR China;Internet and Mobile Computing Lab, Department of Computing, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, PR China and School of Computer, Wuhan University, Wuhan, Hubei, PR Chin ...;Center for Research in Wireless Mobility and Networking, Department of Computer Science and Engineering, University of Texas at Arlington, Arlington, TX

  • Venue:
  • Future Generation Computer Systems - Special issue: Advanced services for clusters and internet computing
  • Year:
  • 2004

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Abstract

This paper studies the issues of using mobile agents to achieve load sharing for network services in a wide-area network environment such as the Internet. Traditionally, load sharing algorithms are based on the message-passing paradigm. In this paper, we propose the use of mobile agents as an aid to design fully distributed and dynamic load-sharing mechanisms for wide-area network services, which provide several advantages over the pure message-passing-based approach. A framework (called MALS--mobile agent-enabled load-sharing) for structuring and designing load sharing in wide-area network services is presented. In particular, we describe the design of a mobile agent-enabled distributed dynamic load-sharing scheme within the MALS framework. A simulation environment of the load-sharing protocol is being implemented using AgletTM, a Java-compliant mobile agent platform from IBM. Preliminary experimental results demonstrated that the proposed framework is effective.