Abstract— Publish/subscribe has emerged as an attractive communication paradigm for building Internet-wide distributed systems by decoupling message senders from receivers. Large...
This paper presents the Authorization Service provided by Tivoli Policy Director (PD) and its use by PD family members as well as third-party applications. Policies are defined ov...
Abstract. Among the challenges of managing NASA’s information systems is the management (that is, creation, coordination, verification, validation, and enforcement) of many di...
Michael Smith, Andrew Schain, Kendall Clark, Arlen...
Combining access control with weakly consistent replication presents a challenge if the resulting system is to support eventual consistency. If authorization policy can be tempora...
Ted Wobber, Thomas L. Rodeheffer, Douglas B. Terry
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...