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A synchronous fiber optic ring local area network for multigigabit/s mixed-traffic communicationA synchronous-ring fiber optic local area network is reported that facilitates the simultaneous transmission of packet and real-time traffic at gigabit/s rates, minimizes the amount of high-speed logic, and simplifies the user interface to the network. The novelty of the technique is based on (1) suspending in transit around the ring's circumference an integral number of data frames and (2) achieving this condition by skewing the frame clock rate a small amount. Rather than use the whole data frame as one packet destined to a specific user, many individual channels are instead time-multiplexed into the data frame. This technique only becomes feasible for local networks as data rates approach the Gbit/s range. This departure from other synchronous rings results in several advantages both in terms of system performance and hardware simplicity.
Document ID
19860033022
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Bergman, L. A.
(California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)
Eng, S. T.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena; Chalmers Tekniska Hogskola Goteborg, Sweden)
Date Acquired
August 12, 2013
Publication Date
November 1, 1985
Publication Information
Publication: IEEE Journal on Selected Areas in Communications
Volume: SAC-3
ISSN: 0733-8716
Subject Category
Computer Systems
Accession Number
86A17760
Distribution Limits
Public
Copyright
Other

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