Checkpointing And Error Recovery In Distributed Systems
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Checkpointing and Error Recovery in Distributed Systems
This paper discusses some of the problems of producing fault tolerant distributed computer systems, in particular those of software error recovery. It shows how checkpoints may be used in error recovery, it defines the information that checkpoints must contain, and discusses alternate strategies for checkpointing. It describes models of error recovery and extends an existing recovery protocol to cater for certain types of checkpoint inconsistencies. The paper defines protocols for systematically generating checkpoints so that they can be used by the recovery protocols. It also defines a protocol for discarding checkpoints when they are no longer 'of use', which prevents the set of checkpoints growing indefinitely. The paper concludes by considering some of the problems of implementing the protocols. (Author).
DISTRIBUTED SYSTEM
Author: Garima Verma/Khusboo Saxena/Sandeep Saxena
language: en
Publisher: BPB Publications
Release Date: 2018-06-01
Description:The book has been written in such a way that the concepts are explained in detail, giving adequate emphasis on examples. To make clarity on the topic, diagrams are given extensively throughout the text. Various questions are included the vary widely in type and difficulty to understand the text. The book discusses design issues for phases of Distributed System in substantial depth. The stress is more on problem solving. The students preparing for PHD entrance will also get benefit from this text, for them University questions are also given.Table Of Contents:Chapter 1 : Introduction To Distributed SystemChapter 2 : System ModelsChapter 3 : Theoretical FoundationChapter 4 : Distributed Mutual ExclusionChapter 5 : Distributed Deadlock DetectionChapter 6 : Agreement ProtocolChapter 7 : Distributed File SystemChapter 8 : Distributed Shared MemoryChapter 9 : Failure Recovery In Distributed SystemChapter 10 : Fault ToleranceChapter 11 : Transaction and Concurrency ControlChapter 12 : Distributed TransactionChapter 13 : Replication
Fault-Tolerant Parallel and Distributed Systems
Author: Dimiter R. Avresky
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-12-06
The most important use of computing in the future will be in the context of the global "digital convergence" where everything becomes digital and every thing is inter-networked. The application will be dominated by storage, search, retrieval, analysis, exchange and updating of information in a wide variety of forms. Heavy demands will be placed on systems by many simultaneous re quests. And, fundamentally, all this shall be delivered at much higher levels of dependability, integrity and security. Increasingly, large parallel computing systems and networks are providing unique challenges to industry and academia in dependable computing, espe cially because of the higher failure rates intrinsic to these systems. The chal lenge in the last part of this decade is to build a systems that is both inexpensive and highly available. A machine cluster built of commodity hardware parts, with each node run ning an OS instance and a set of applications extended to be fault resilient can satisfy the new stringent high-availability requirements. The focus of this book is to present recent techniques and methods for im plementing fault-tolerant parallel and distributed computing systems. Section I, Fault-Tolerant Protocols, considers basic techniques for achieving fault-tolerance in communication protocols for distributed systems, including synchronous and asynchronous group communication, static total causal order ing protocols, and fail-aware datagram service that supports communications by time.