Major Contributions

A hardware-assisted error detection scheme that offers low latency, high coverage, low overhead error detection.
A validation mechanism for messages based on the error detection scheme.
A comprehensive rollback recovery protocol for distributed systems that comprises all the phases of fault-tolerance, namely, error detection, containment and recovery. ( CReP )
An object-oriented testbed that facilitates development and testing of techniques in the domain of fault-tolerance. ( OTEC )