Protocol Membership Agreement in Distributed Communication System - A Question of Brittleness
Paper in proceeding, 2003

This paper describes results from fault injection experiments using heavy ions in the time-triggered communication protocol for safety critical distributed systems (TTP/C, C1 implementation). The observed results show that arbitrary faults in one erroneous node could cause inconsistencies in the cluster and thus jeopardize correctly working nodes and the whole communication system. The described inconsistencies resulted from either asymmetric value faults or slightly out of specification timing faults. This system behavior can be partly explained by too strict constraints on the fault handling algorithms using the membership agreement protocol.


Time-triggered communications

Timing fault

Distributed systems

Working nodes Engineering controlled terms: Fracture mechanics Engineering main heading: Communication systems

Arbitrary faults

Fault handling

System behaviors

Distributed communication systems

Strict constraint

Fault injection


Håkan Sivencrona

SP Sveriges Tekniska Forskningsinstitut AB

Per Johannessen

Volvo Cars

Jan Torin

Chalmers, Department of Computer Engineering

SAE World Congress; Detroit, MI; United States; 3 March 2003 through 6 March 2003; Code 90286

Subject Categories

Computer and Information Science



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