No matter how well designed and engineered, a mix server offers little protection if its administrator can be convinced to log and selectively disclose correspondences between it...
Services are usually developed and deployed independently; and systems can be formed by composing relevant services to achieve set goals. In such an open and dynamic environment, s...
Resource sharing within Grid collaborations usually implies specific sharing mechanisms at participating sites. Challenging policy issues can arise within virtual organizations (V...
Service-based approaches are widely used to integrate heterogenous systems. Web services allow for the definition of highly dynamic systems where components (services) can be dis...
Mobile agents are software entities consisting of code, data and state that can migrate autonomously from host to host executing their code. Unfortunately, security issues restrict...