The document discusses an efficient fault-tolerant data replica placement technique for cloud-based storage area networks (SAN) using a bipartite graph-based data replica placement (BGDRP) method. It highlights the challenges of data access latency and computational costs in existing methodologies and presents the BGDRP as a solution that minimizes these issues while providing reliable data access. The results from a real-time scientific application workflow demonstrate the improved performance of the proposed technique compared to state-of-the-art methods.