Proposed NIST standard for role-based access control
ACM Transactions on Information and System Security (TISSEC)
A network access control approach based on the AAA architecture and authorization attributes
Journal of Network and Computer Applications
Use of XACML Policies for a Network Access Control Service
Proceedings of the 2005 conference on Applied Public Key Infrastructure: 4th International Workshop: IWAP 2005
A heterogeneous network access service based on PERMIS and SAML
EuroPKI'05 Proceedings of the Second European conference on Public Key Infrastructure
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Multimedia content distribution has appeared as a new growth market offered by network providers, defining resource access infrastructures able to support both wired and wireless accesses. Although these infrastructures have been widely studied in the last years, the main aim of those works has been focused more on the distribution process than on a suitable security infrastructure to protect that content. Therefore, the study of security systems able to offer authentication, authorization and other security-related requirements for those kinds of scenarios is still an open research field. In this paper, we propose a new scheme which takes advantage of a previously existing underlying authorization infrastructure among the involved organizations, the NAS-SAML system, to build a multimedia content distribution with an advanced and extensible authorization mechanism. The target scenario is the one proposed by the VIDIOS project, which defines an architecture for multimedia transmissions across error prone networks such as Internet backbones and mobile access networks.