Node for a communication network

Details Node for a communication network Node for a communication network

1992-02-18

1994-03-01

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

370 941, 370 942, H04L 1240, H04L 1248, H04L 1266

Patent

active

052914909

ABSTRACT:
Mechanisms for efficient transmission management are provided for multiparty, multimedia communications by constructing a logical ring structure from logical point-to-point connections between multiple nodes participating in a communication. Data and control information are unbundled in the communication by providing several different higher level protocols or applications, called "user entities," at each node and enabling uninhibited data transfer between corresponding user entities of the different nodes via virtual rings built on top of the logical ring. A mechanism preferably is provided for a user entity to selectively accept or reject a packet on the basis of the importance of the information contained in the packet.

REFERENCES:
patent: 4930123 (1990-05-01), Shimizu
patent: 4949337 (1990-08-01), Aggers et al.
L. Hughes, "A Multicast Transmission Taxonomy," Proc. of the IFIP WG 10.3 Working Conference on Distributed Processing, Amsterdam, The Netherlands, 5-7 Oct. 1987, pp. 87-102.
B. Rajagopalan et al., "A Token-Based Protocol for Reliable, Ordered Multicast Communication, " Proc. of the Eighth Symposium On Reliable Distributed Systems, Seattle, Wash., 10-Oct. 1989, pp. 84-93.
M. S. Atkins et al, "An Efficient Kernel-level Dependable Multicast Protocol for Distributed Systems, " Proc. of the Eighth Symposium on Reliable Distributed Systems, Seattle, Wash., 10-12 Oct. 1989, pp. 94-101.

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