A Reliable and Secure Connection Migration Mechanism for Mobile Agents

  • Authors:
  • Xiliang Zhong;Cheng-Zhong Xu;Haiying Shen

  • Affiliations:
  • -;-;-

  • Venue:
  • ICDCSW '04 Proceedings of the 24th International Conference on Distributed Computing Systems Workshops - W7: EC (ICDCSW'04) - Volume 7
  • Year:
  • 2004

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Abstract

Connection migration in mobile systems is to supportcontinuous and transparent communication operations betweenmobile agents. This paper presents a reliable connectionmigration mechanism that provides exactly-once deliveryfor all transmitted data during agent migration. Itintegrates with an agent-based access control mechanismthat controls the access to network ports. To avoid frequentagent authentication and permission checking due to agentmigration, a secret session key is associated with each connection.We present the design and implementation of themechanism, named NapletSocket in Naplet mobile agentsystem. It is a pure middleware implementation, requiringno modification of Java virtual machines. Evaluation resultsshow that the NapletSocket system incurs a moderateoverhead in connection setup, mainly due to securitychecking. Once a secure connection is established, only amarginal cost is needed to pay for reliable communicationduring agent migration.