SURVNET: A Fault Tolerant Local Area Network

J. L. Katz; B. D. Metcalf

doi:10.1117/12.967574

1 January 1987 SURVNET: A Fault Tolerant Local Area Network

J. L. Katz, B. D. Metcalf

Proceedings Volume 0841, Fiber Optic Networks and Coherent Technology in Fiber Optic Systems II; (1987) https://doi.org/10.1117/12.967574
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

Abstract

In response to the Department of Defense's need to enhance the survivability of command and control systems, The MITRE Corporation developed SURVNET, a survivable fiber optic local area network. The network supports data communications with a fault-tolerant, distributed architecture capable of continued communication despite media failure and node outages. SURVNET is configured as a modified fiber-optic broadcast bus. The physical and data link layers are implemented with a combination of IEEE 802.3 (Ethernet) and an augmented version of IEEE 802.4 token passing bus protocols. Special nodes in the network, incorporating fault-tolerant software, are doubly connected to the fiber bus. Periodically, these nodes broadcast a self-addressed test message to determine if continuity exists on the network segment between the node's two physically separate connections. If a discontinuity is detected, the node utilizes its two connections to bridge between the isolated bus segments.

Citation Download Citation

J. L. Katz and B. D. Metcalf "SURVNET: A Fault Tolerant Local Area Network", Proc. SPIE 0841, Fiber Optic Networks and Coherent Technology in Fiber Optic Systems II, (1 January 1987); https://doi.org/10.1117/12.967574

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