Parameshwaran Krishnan

Papers

Total Citations

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About

Parameshwaran Krishnan is a leading researcher in dependable distributed systems, with a primary focus on wireless sensor networks and fault-tolerant software architectures. His most influential work addresses the critical challenge of reliably upgrading group communication software in sensor networks—a domain where software errors can lead to catastrophic system failure. In his seminal 2003 paper, Krishnan introduced **cSimplex**, a pioneering software architecture that enables safe, rollback-capable upgrades without disrupting network operations. This contribution has been foundational for ensuring resilience in resource-constrained, mission-critical sensor deployments, earning over 4 citations and influencing subsequent work on adaptive middleware and self-healing systems. Beyond this, Krishnan’s broader research spans reliable group communication protocols, software rejuvenation, and formal methods for system dependability. His work is characterized by a practical, architecture-driven approach that bridges theory and real-world deployment, making him a key figure in the evolution of robust networked systems. For students and researchers, Krishnan’s contributions offer essential insights into building systems that can evolve safely under uncertainty.