Channel sharing and memory sharing in a packet switching system

Details Channel sharing and memory sharing in a packet switching system Channel sharing and memory sharing in a packet switching system

1993-12-08

1995-10-10

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 60, H04L 1256

Patent

active

054576792

ABSTRACT:
The present invention concerns a method and apparatus for memory and channel sharing in a communication switching network which uses packet switching. In one form of the invention memory and channel sharing is provided within a packet switch. The packet switch includes a memory for storing a plurality data packets and a router that routes data packets from the memory to a particular output port. The router is operable to route data packets to either a dedicated output port, in other words, an output port defined by the virtual circuit path of the data packet, or a shared output port. In another form of the invention memory and channel sharing is provided by a packet switch in conjunction with a terminal. Protection lines which are provided in transmission systems can be used as the shared channels.

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patent: 5271004 (1993-12-01), Proctor et al.
patent: 5291482 (1994-03-01), McHarg et al.
patent: 5301055 (1994-04-01), Bagchi et al.
Kai Y. Eng and Mark J. Karol, "High-Performance Techniques For Gigabit ATM Switching and Networking", IEEE International Conference on Communications '93, May 23-26, 1993, Geneva Switzerland.
Kai Y. Eng, Mark J. Karol and Richard D. Gitlin, "Congestion Control in a National Broadband Network by Channel Sharing", Proc. 7th ITC Seminar, Morristown, N.J., Oct. 9-11, 1990, paper #12, 3.
Kai Y. Eng, Mark J. Karol, Richard D. Gitlin, "Memory and Channel Sharing Techniques for Congestion Control in ATM Networks" IEEE Infocom '93, The Conference on Computer Communication, Mar. 28-Apr. 1, 1993.
Kai Y. Eng, Mark J. Karol, Yu-Shuan Yeh, "A Growable Packet (ATM) Switch Architecture: Design Principles and Applications", IEEE Transactions on Communications, vol. 40, No. 2, Feb. 1992.
Kai Y. Eng and Mark J. Karol, "The Growable Switch Architecture: A Self-Routing Implementation For Large ATM Applications", IEEE, 1991.

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