Group communication specifications: a comprehensive study
ACM Computing Surveys (CSUR)
CCF: Collaborative Computing Frameworks
SC '98 Proceedings of the 1998 ACM/IEEE conference on Supercomputing
MTCP: scalable TCP-like congestion control for reliable multicast
Computer Networks: The International Journal of Computer and Telecommunications Networking
CCF: A Framework for Collaborative Computing
IEEE Internet Computing
Collaborative Computing and E-learning
ICCS '02 Proceedings of the International Conference on Computational Science-Part II
Ad Hoc Membership for Scalable Applications
DISC '02 Proceedings of the 16th International Conference on Distributed Computing
Designing the Communications Infrastructure of Groupware Systems
CRIWG '02 Proceedings of the 8th International Workshop on Groupware: Design, Implementation and Use
Configuring the Communication Middleware to Support Multi-user Object-Oriented Environments
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
Appia: A Flexible Protocol Kernel Supporting Multiple Coordinated Channels
ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
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The Collaborative Computing Transport Layer (CCTL) is a communication substrate consisting of a suite of multiparty protocols, providing varying service qualities among process groups. CCTL explicitly supports distributed collaborative and multimedia applications. CCTL is based on a two-level group hierarchy. Logical interconnections among entities, called channels, define an efficient and light-weight group mechanism. Channels support a variety of service qualities such as reliability and message ordering. Related channels can also be combined to form sessions, heavy-weight groups which provide a default atomic multicast service. CCTL supports membership protocols tailored to the quality of service offered by a channel, including a relaxed form of virtual synchrony. In this paper, we present three membership protocols and compare and relate our implementations to alternatives. Our two-level architecture allows simple and efficient implementation of the membership protocols.