SAFEbus

Authored by: Michael Paulitsch , Kevin R. Driscoll

Industrial Communication Technology Handbook

Print publication date:  August  2014
Online publication date:  August  2014

Print ISBN: 9781482207323
eBook ISBN: 9781482207330
Adobe ISBN:

10.1201/b17365-57

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Abstract

SAFEbus**

SAFEbus is a registered trademark of Honeywell International, Inc.

is the only backplane or local area network standard (ARINC 659) [1] that provides fail-op/fail-safe fault tolerance with near-unity coverage for all of its components—signal lines, terminations, interface electronics, clock sources, and power supplies. This coverage includes tolerating a Byzantine fault. SAFEbus provides a time-based protocol that delivers messages with a precision on the order of 100 ns over a backplane network. The SAFEbus protocol can be implemented in an integrated circuit or FPGA with just 70,000 gates.

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