Design of Survivable and Dependable Distributed Systems: Issues in the design of distributed systems distributed OS, high-level protocols, distributed shared memory. OO distributed systems, distributed directory services, fault tolerance issues, issues of survivability, dependability, robustness. Distributed Systems and Fault Tolerance, Security Architecture for FT Systems, Security Architecture for Services, Algorithms, Techniques for Fault Tolerance and high integrity Services, Tools and Environments for building higher integrity service.