Cambridge Ring (computer network)
The Cambridge Ring was an experimental local area network architecture developed at the Computer Laboratory, University of Cambridge starting in 1974[1] and continuing into the 1980s. It was a ring network with a theoretical limit of 255 nodes (though such a large number would have badly affected performance), around which cycled a fixed number of packets. Free packets would be "loaded" with data by a machine wishing to send, marked as received by the destination machine, and "unloaded" on return to the sender; thus in principle there could be as many simultaneous senders as packets. The network ran over twin twisted-pair cabling (plus a fibre-optic section).
People associated with the project include Andy Hopper, David Wheeler, Maurice Wilkes, and Roger Needham.[2]
In 2002 the Cambridge University Computer Laboratory launched a graduate society called the Cambridge Computer Lab Ring named after the Cambridge Ring.
See also
References
- ^ "A brief informal history of the Computer Laboratory". University of Cambridge. 20 December 2001. Archived from the original on 2010-10-11.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ Andrew Hopper; Roger Needham. "The Cambridge Fast Ring Networking System" (PDF). ORL-88-1.
External links
- Cambridge Ring Hardware
- Cambridge Fast Ring
- Cambridge Backbone Ring Hardware
- Cambridge Computer Lab Ring
- "Ring PCB". Relic Archive. University of Cambridge Computer Laboratory. Retrieved 9 April 2011.
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