One of the main advantages of peer-to-peer (P2P) systems is their capability to offer replicas of the same content at various locations. This allows to access contents even when so...
Replication on multiple nodes is an effective way to improve the availability in the P2P or grid environment. It is difficult to determine how many replicas can fulfill the user r...
Role based access control (RBAC) allows users access to resources based on their competencies and responsibilities within an organization. Typically, RBAC is provided as a securit...
Abstract. We present a new access control mechanism for P2P networks with distributed enforcement, called P2P Access Control System (PACS). PACS enforces powerful access control mo...
Peer-to-Peer (P2P) applications and services are very common in today’s computing. The popularity of the P2P paradigm prompts the need for specialized security services which ma...