Overload control mechanisms such as admission control and connection differentiation have proven effective for preventing overload of application servers running secure web applic...
Current collaborative tools are often not able to profit from existing systems for user management. It is therefore necessary for collaborative systems to administrate their users ...
This paper presents a model of hierarchical organization of Certification Authorities which can be applied to any open system network. In order to study the feasibility of the pro...
In this paper, we propose a new efficient and secure micro-payment scheme, named e-coupons, which can provide the users the facility of delegating their spending capability to oth...
Firewalls have an important role in network security. However, managing firewall policies is an extremely complex task because the large number of interacting rules in single or d...