This paper describes VServ, a prototype architecture for a virtual private network (VPN) service, which builds and manages VPNs on demand. It allows each VPN to have guaranteed resources and customized control, and supports a highly dynamic VPN service where creation and modification operations can take place on fast timescales. These features are contingent on the automated establishment and m...

User profiling in web search has the advantage of enabling personalized web search: the quality of the results offered by the search engine to the user is increased by taking the user’s interests into account when presenting those results. The negative side is that the interests and the query history of users may contain information considered as private; hence, technology should be provided fo...

Cloud computing has pioneered the emerging world by manifesting itself as a service through internet and facilitates third party infrastructure and applications. While customers have no visibility on how their data is stored on service provider's premises, it offers greater benefits in lowering infrastructure costs and delivering more flexibility and simplicity in managing private data. The opp...

The need to attract resources socially significant infrastructure facilities, decentralize authority, market orientation of public services, efficiency and competition requires the search for a combination opportunities cooperation between private sectors. A public-private partnership has become one modern approaches implementation important projects. study identified degree impact state busine...

Fear of security breaches has been a major reason for the business world’s reluctance to embrace the Internet as a viable means of communication. A widely adopted solution consists of physically separating private networks from the rest of Internet using firewalls. This paper discusses the current cryptographic security measures available for the Internet infrastructure as an alternative to phy...