File access performance of diskless workstations
ACM Transactions on Computer Systems (TOCS)
Utilizing Bandwidth Sharing in the Slotted Ring
IEEE Transactions on Computers
Measured performance of an Ethernet local network
Communications of the ACM
The communications highway of the future
IEEE Communications Magazine
Performance analysis of slotted ring protocols in HSLANs
IEEE Journal on Selected Areas in Communications
Models for packet switching of variable-bit-rate video sources
IEEE Journal on Selected Areas in Communications
Packet Trains--Measurements and a New Model for Computer Network Traffic
IEEE Journal on Selected Areas in Communications
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The token ring FDDI and the slotted bus DQDB are currently the two most important standards for high-speed networks. Each of these networks has its own specific advantages and disadvantages, and its own specific type of load for which it performs best. We propose a new network design, called Universal Channel Network (UCN), which is adaptive and can be made to behave like a token ring, a slotted ring, or anything in between. The aim is to get a network that combines the advantages of both the token ring and the slotted ring. In this paper, UCN is explained and its performance is compared with that of DQDB and FDDI. The workload model used is a detailed representation of today's traffic, extrapolated to the future. Because of the uncertainty concerning future traffic, two versions of the workload model are used. In the first version, voice and video sources are modelled as constant bit rate sources. In the second version, variable bit rate sources are used to represent voice and video sources. The network performance for both coding techniques is compared.