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) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
IEEE 802.11e is a wireless local area networking standard introducing quality of service. It defines new MAC protocols, mainly HCF and EDCF. EDCF is a contentionbased channel acce...
Mounir Frikha, Fatma Ben Said, Lilia Maalej, Faiza...
The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...
It is now feasible to view media at home as easily as text-based pages were viewed when the World Wide Web (WWW) first emerged. This development has supported media sharing and se...