Collaborative Ad-hoc Applications
TCD-CS-2000-49.pdf (PDF) 475.4Kb
The proliferation of mobile hand-held devises and the development of ad-hoc networking technologies has opened the possibility for users of these devises to partake in collaborative applications with other mobile users. The sharing of resources and information within these groups will maximise the experience for all group members. This will require a user of the system to grant access to local resources to other users, some of whom may be semi or completely unknown. The major issue that affects the user of the collaborative ad-hoc application is how can they grant access to a user who is completely unknown to them. People are able interact with others who are semi or completely unknown to them in many every day situations, the extent to which they interact is governed by the concept of trust. Trust is a complicated model that allows people to balance the risk of the unknown against the perceived benefits of interaction. The aim of this dissertation is to investigate if a model for trust production can be integrated into a computer access control mechanism to manage interaction with anonymous users. A mechanism will be developed that will produce a trust value for any user based on the details of previous interactions between the two or recommendations. An dynamic trust-based access control system, which binds minimum trust levels to access right will then be used to verify if an unknown user is trusted enough to gain access to the users resources. A blackjack card game that uses a trust-based access control system to assign roles to users was implemented in java, JINI technology was used to distribute the application.
Author: O'Connell, Paul
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