Commercially Available Workstation Networksby Richard G. Lefkon, Citicorp NA, New York, NY, USA,
Abstract: Twelve commercially available local area networks are compared, transmitting variously over optical fiber, twisted pair and cable. Throughput, tunability, cost and ease of use are discussed, as is the Open System Interconnection (OSI) architecture promulgated by ANSI and IEEE. The OSI architecture facilities intermixing of support hardware by specifying network functions in seven descending layers: Application, Presentation, Session, Transport, Network, Data Link and Physical. Adherence of token-passing and carrier-sensing networks to the OSI standard is demonstrated, and some inexpensive substitutions for full OSI compliance are shown.
Subject Headings: Cables | Systems engineering | Architecture | Structural systems | Computer aided operations | Computer networks | Fabrics
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