Delegation with public-key certificates appears to be a natural technique for access control between intelligent network (IN) service providers. It supports strongly the IN business model and fits well to an object-oriented design. In the Calypso project, we are implementing access control to Java-based IN services with SPKI delegation certificates.
@InProceedings{AurKopRas98, author = {Tuomas Aura and Petteri Koponen and Juhana Räsänen}, title = {Delegation-based access control for intelligent network services}, booktitle = {Proc. ECOOP Workshop on Distributed Object Security}, year = 1998, address = {Brussels, Belgium}, month = jul }