The multi-lateral security framework for the ubiquitous audiovisual services

In this paper, we will present the multi-lateral security framework for the ubiquitous audiovisual services. Next generation audiovisual services are expected to be very flexible digital system build on the global broadband network and they allow us to access any audiovisual contents at anywhere in the world. We call it ubiquitous audio-visual services. In such new services, several new security criteria, may become more important. Maintaining competitive market, privacy protection and suppression of organized crimes are drawing broader interest than before. Since past discussion on the contents security was often narrowly focused on the closed system, technological framework and architecturectural design which covers new requirement issues was not analyzed enough in technical context. In this paper, firstly we will discuss on the concept of multi-lateral security, which can be bases of technical security requirements. Then secondly, we will describe a technology to improve system in terms of multilateral security