Multicast routing in datagram internetworks and extended LANs
ACM Transactions on Computer Systems (TOCS)
Multicast routing in a datagram internetwork
Multicast routing in a datagram internetwork
Internet Privacy Enhanced Mail
Communications of the ACM - Special issue on internetworking
Communications of the ACM
The official PGP user's guide
PGP source code and internals
Distributed registration and key distribution (DiRK)
Information systems security
Distributed registration and key distribution for online universities
Proceedings of the IFIP TC6/TC11 international conference on Communications and multimedia security II
IDMS '96 Proceedings of the European Workshop on Interactive Distributed Multimedia Systems and Services
Multicast-specific security threats and counter-measures
SNDSS '95 Proceedings of the 1995 Symposium on Network and Distributed System Security (SNDSS'95)
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Focuses on distance education in general, and online universities in particular. It argues that online universities have to cooperate with commercial service providers to disseminate lectures to a wide audience, and that this cooperation requires new techniques with regard to the registration, validation and certification of the parties involved, such as professors, service providers and students. As a possible solution, the paper also proposes an extension of a technique named DiRK (Distributed Registration and Key distribution) that has been proposed previously. The technique can be used in a conferencing system, e.g. the Internet Multicast Backbone (MBone), to handle participants' registration, validation and key distribution in a decentralized and fully distributed way. DiRK is being prototyped in a session registration tool (SRT) for the MBone, and the SRT will serve as a starting-point to develop similar tools that can be used in distance education to set up and run online universities.