Managing Conflicts of Interest in Virtual Organisations
Electronic Notes in Theoretical Computer Science (ENTCS)
Enabling decentralised management through federation
Computer Networks: The International Journal of Computer and Telecommunications Networking
Avoiding delegation subterfuge using linked local permission names
FAST'11 Proceedings of the 8th international conference on Formal Aspects of Security and Trust
Federated management of the Future Internet: status and challenges
International Journal of Network Management
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A coalition provides a virtual space across a network that allows its members to interact in a transparent manner. Coalitions may be formed for a variety of purposes. These range from simple spaces used by individuals to share resources and exchange information, to highly structured environments in which businesses and applications operate and may be governed according to regulation and contract (security policy). Coalitions may spawn further coalitions and coalitions may come-together and/or merge. This paper describes a logic-based language that provides a foundation for coalition regulation and contract in a manner that avoids authorization subterfuge and has a number of novel features that make it applicable to open systems. The language provides inter- and intra- coalition delegation, including identity, role and threshold based delegation operations. The logic is used to describe a decentralized infrastructure for establishing and regulating these coalitions. Coalitions are formed with the involvement of founders, constructors and oversight. Constructors are responsible for properly creating a coalition; this service can be provided by a third party. If the service is improperly provided then the constructor is subject to a penalty, which may be collected by another third party providing oversight.