A GATE MATERIALS FOR ENGINEERING STUDENTS

Distributed system UNIT I: Introduction: Distributed Computing Models , Software Concepts , Hardware Concepts, The Client-Server model, Issues in the design of a distributed operating system . UNIT II: COMMUNICATION: Introduction to Message Passing, Advantages and features of message passing, Message format, Message Buffering, Remote Procedure Call, Extended RPC Models, Remote Object Invocation, Message Oriented Communication. UNIT III: Processes And Synchronization : Threads, code migration, clock synchronization, logical clocks, global state, Election algorithms, mutual exclusion, Distributed transaction. UNIT IV: Distributed Deadlock Detection: System model, Resources vs. communication deadlocks, deadlock prevention, avoidance, detection and resolution, Centralized deadlock detection, distributed deadlock detection, path pushing and edge chasing algorithm UNIT V: Distributed Shared Memory: Introduction, General architecture of distributed shared memory, Design and implem...