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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Braun, T. Hahnsang Kim |
| Copyright Year | 2005 |
| Description | Author affiliation: University of Bern (Braun, T.) |
| Abstract | This paper presents a peer-to-peer based authentication and authorization infrastructure to minimize authentication delays when mobile users roam across different wireless networks. The basic idea is to avoid exchanging security information between networks visited by a roaming user and the user's home authentication, authorization, and accounting (AAA) server that is typically located in the home network possibly far away from the visited network. Instead, authentication and authorization of a roaming user shall be supported by an AAA server in the visited network. We propose that the AAA server that is responsible for authentication and authorization in a newly visited network locates the AAA server in the previously visited network and retrieves the required security information from that AAA server. The AAA servers can be organized in a peer-to-peer manner and peer-to-peer mechanisms can be applied for searching and transferring security information between them. We propose several mechanisms for quickly locating the previously responsible AAA server in order to decrease authentication delays. The performance of these mechanisms is evaluated by simulations. Real performance measurements show the rather low performance overhead of application level forwarding used in peer-to-peer networks. |
| File Size | 249451 |
| File Format | |
| ISBN | 0769522688 |
| ISSN | 15301605 |
| DOI | 10.1109/HICSS.2005.226 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-01-06 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Authentication Authorization Peer to peer computing Network servers Information security Roaming Wireless networks Home automation Information retrieval Delay |
| Content Type | Text |
| Resource Type | Article |
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