F. Brasileiro
P.D. Ezhilchelvan
S.K. Shrivastava
N.A. Speirs
S. Tao
University of Newcastle upon Tyne. 1993
A fail-silent node is composed of a number of "fail-arbitrary" conventional processors on which application level processes are replicated to achieve fault-tolerance. The non-faulty processors of a node need to execute agreement and order protocols to 'keep in step'. The design and the implementation of efficient protocols for a two processor fail-silent node are described in detail. In particular we introduce two new ordering protocols which substantially enhance the performance of the node.