Time-Triggered Protocol (TTP/C)

Authored by: Roman Obermaisser , Michael Paulitsch

Industrial Communication Technology Handbook

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

Print ISBN: 9781482207323
eBook ISBN: 9781482207330
Adobe ISBN:


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The Time-Triggered Protocol (TTP) is a communication protocol for distributed fault-tolerant real-time systems. It is designed for applications with stringent requirements concerning safety and availability, such as avionic, automotive, industrial control, and railway systems. TTP was initially named TTP/C and later renamed to TTP. The initial name of the communication protocol originated from the classification of communication protocols of the Society of Automotive Engineers (SAE), which distinguishes four classes of in-vehicle networks based on the performance. TTP/C satisfies the highest performance requirements in this classification of in-vehicle networks and is suitable for network classes C and above.

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