A Proxy Based Authentication Localisation Scheme for Handover between Non Trust-Associated Domains
- Publisher:
- Association for Computing Machinery (SIGMOBILE)
- Publication Type:
- Journal Article
- Citation:
- MOBILE COMPUTING AND COMMUNICATIONS REVIEW, 2009, October, 13 (4), pp. 47 - 58
- Issue Date:
- 2009-01
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| Filename | Description | Size | |||
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| 2009005681OK.pdf | 358.56 kB |
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In heterogeneous wireless networks, a mobile user may have to perform handover across different network domains to maintain its data connection and quality of service. During a handover, an authentication to the mobile's home network is normally required. This may incur significant handover delay. Several fast authentication solutions based on pre-distributing security contexts between access domains have been proposed to improve handover performance. However, none of them work for a handover between two access domains without a trust relation, which can be common in a multi-operator environment. This paper presents a Proxy-Based Authentication Localisation (PBAL) scheme for handover between non trust-associated domains. The proposed PBAL scheme provides a secure and flexible means of localising authentication at a third-party entity close to visited network. This effectively avoids resorting to a mobile's home network for identity verification in a handover. Consequently, it fundamentally reduces authentication latency incurred in a inter-domain handover. The PBAL scheme does not need any changes to be made to access routers, and can be easily deployed and implemented in a cost-effective manner.
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