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Fault Tolerance In Distributed Shared Memory
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Book Synopsis Fault Tolerance in Distributed Shared Memory by : Samir Muranjan
Download or read book Fault Tolerance in Distributed Shared Memory written by Samir Muranjan and published by . This book was released on 1997 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fault-tolerant transactions using distributed shared memory by : Ajay Mohindra
Download or read book Fault-tolerant transactions using distributed shared memory written by Ajay Mohindra and published by . This book was released on 1989 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fault-Tolerant Parallel and Distributed Systems by : Dimiter R. Avresky
Download or read book Fault-Tolerant Parallel and Distributed Systems written by Dimiter R. Avresky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Coherence-based Fault Tolerance for Software Distributed Shared Memory by : Angkul Kongmunvattana
Download or read book Coherence-based Fault Tolerance for Software Distributed Shared Memory written by Angkul Kongmunvattana and published by . This book was released on 1999 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Fault Tolerant Distributed Shared Memory System by : Cheryl Kaye DeMatteis
Download or read book A Fault Tolerant Distributed Shared Memory System written by Cheryl Kaye DeMatteis and published by . This book was released on 1996 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Fault-tolerant Coherence Protocol for Distributed Shared Memory Systems by : Pallavi K. Ramam
Download or read book A Fault-tolerant Coherence Protocol for Distributed Shared Memory Systems written by Pallavi K. Ramam and published by . This book was released on 1998 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fault-tolerant Distributed Shared Memory on a Broadcast-based Interconnection Architecture by : Diana Lynn Hecht
Download or read book Fault-tolerant Distributed Shared Memory on a Broadcast-based Interconnection Architecture written by Diana Lynn Hecht and published by . This book was released on 2002 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Peer Support to Reduce Fault-tolerant Overhead in Distributed Shared Memories by : G. C. Hunt
Download or read book Using Peer Support to Reduce Fault-tolerant Overhead in Distributed Shared Memories written by G. C. Hunt and published by . This book was released on 1996 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hardware and Software Architectures for Fault Tolerance by : Michel Banatre
Download or read book Hardware and Software Architectures for Fault Tolerance written by Michel Banatre and published by Springer Science & Business Media. This book was released on 1994-02-28 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fault tolerance has been an active research area for many years. This volume presents papers from a workshop held in 1993 where a small number of key researchers and practitioners in the area met to discuss the experiences of industrial practitioners, to provide a perspective on the state of the art of fault tolerance research, to determine whether the subject is becoming mature, and to learn from the experiences so far in order to identify what might be important research topics for the coming years. The workshop provided a more intimate environment for discussions and presentations than usual at conferences. The papers in the volume were presented at the workshop, then updated and revised to reflect what was learned at the workshop.
Book Synopsis Fault Tolerance: Methods of Rollback Recovery by : Stanford University. Computer Systems Laboratory
Download or read book Fault Tolerance: Methods of Rollback Recovery written by Stanford University. Computer Systems Laboratory and published by . This book was released on 1997 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes the latest methods of rollback recovery for fault-tolerant distributed shared memory (DSM) multiprocessors. This report discusses (1) the theoretical issues that rollback recovery addresses, (2) the 3 major classes of methods for recovery, and (3) the relative merits of each class.
Book Synopsis A Shared-bus Shared-memory Distributed Processing System for Fault Tolerance Laboratory Experimentation by : Bryan Chris Rickertsen
Download or read book A Shared-bus Shared-memory Distributed Processing System for Fault Tolerance Laboratory Experimentation written by Bryan Chris Rickertsen and published by . This book was released on 1979 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Consensus Power of Shared-memory Distributed Systems by : Eric Ruppert
Download or read book The Consensus Power of Shared-memory Distributed Systems written by Eric Ruppert and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many asynchronous distributed systems, processes communicate by accessing objects in a shared memory. The ability of systems to solve problems in a fault-tolerant manner depends on the types of objects provided. Here, the wait-free model of fault-tolerance is used: non-faulty processes must run correctly even if other processes experience halting failures. The consensus problem, where processes begin with private inputs and must agree on one of them, has played a central role in analysing the power of distributed systems. This thesis studies the ability of different types of objects to solve consensus. An object type has consensus number 'n' if it can be used (with read/writehsp sp="0.167"hsp sp="0.167"regist ers to solve consensus among 'n' processes but not among ' n'+1 processes. Conditions are given that are necessary and sufficient for an object type to have consensus number 'n'. This characterization applies to two large classes of objects: readable objects and read-modify-write (RMW) objects. An object is readable if processes can read its state without changing the state. For a RMW object, all operations update the state and then return the previous state of the object. When the type is of bounded size, the characterization may be used to decide the question "Does the type 'T' have consensus number 'n'?", which is undecidable for arbitrary types. The characterization is also used to show that different readable and RMW types with consensus number ' n' cannot be used in combination to solve consensus for 'n '+1 processes. Ordinarily, processes may access only one object in shared memory at a time. This thesis also studies how much the consensus number of a type increases in the multi-object and transactional models, where processes can perform operations on up to 'm' of the objects in a single atomic action. These models are much more convenient for programmers to use, since they guarantee that certain blocks of operations will be executed without interruptions from other processes. This thesis establishes bounds on the consensus numbers of multi-objects and transactional objects as a function of 'm' and the consensus numbers of the corresponding single-access types.
Book Synopsis Distributed Shared Memory by : Jelica Protic
Download or read book Distributed Shared Memory written by Jelica Protic and published by John Wiley & Sons. This book was released on 1997-08-10 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers present in this text survey both distributed shared memory (DSM) efforts and commercial DSM systems. The book discusses relevant issues that make the concept of DSM one of the most attractive approaches for building large-scale, high-performance multiprocessor systems. The authors provide a general introduction to the DSM field as well as a broad survey of the basic DSM concepts, mechanisms, design issues, and systems. The book concentrates on basic DSM algorithms, their enhancements, and their performance evaluation. In addition, it details implementations that employ DSM solutions at the software and the hardware level. This guide is a research and development reference that provides state-of-the art information that will be useful to architects, designers, and programmers of DSM systems.
Book Synopsis Enhancements to Synchronization Mechanisms for Distributed Systems by : David Christian Choweller
Download or read book Enhancements to Synchronization Mechanisms for Distributed Systems written by David Christian Choweller and published by . This book was released on 1997 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synchronization and Fault Tolerance Techniques in Concurrent Shared Memory Systems by : Sahil Dhoked
Download or read book Synchronization and Fault Tolerance Techniques in Concurrent Shared Memory Systems written by Sahil Dhoked and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mutual exclusion is one of the most commonly used techniques to handle contention in concurrent systems. Traditionally, mutual exclusion algorithms have been designed under the assumption that a process does not fail while acquiring/releasing a lock or while executing its critical section. However, failures do occur in real life, potentially leaving the lock in an inconsistent state. This gives rise to the problem of recoverable mutual exclusion (RME) that involves designing a mutual exclusion (ME) algorithm that can tolerate failures, while maintaining safety and liveness properties. With the recent development of NVRAM (non-volatile random-access memory) technologies, there is renewed interest in the RME problem. The NVRAM technology is a combination of the low latency of traditional random-access memory with the high persistence of disk storage media. NVRAMs can be used to provide near-instantaneous recovery to many problems including the RME problem. This work describes techniques for designing efficient algorithms to solve the RME problem under two different failure models, independent failure model and system-wide failure model, depending on whether processes fail independently or simultaneously. Additionally, especially for systems with low memory capacity, this work describes fault-tolerant techniques for reclaiming memory, in case there is no built-in support for garbage collection. The primary measure of an RME algorithm is its performance. Performance of any ME algorithm, including an RME algorithm, is measured by the number of remote memory references (RMRs) made by a process—for acquiring and releasing a lock as well as recovering the lock structure after a failure. Loosely speaking, it represents the number of expensive shared memory instructions. In this work, two models of RMR computation are considered: (a) the CC model, and (b) the DSM model. The results mentioned in this work are applicable to both of these computation models. For the independent failure model, this work presents a framework that transforms any algorithm that solves the RME problem into an algorithm whose performance (in terms of RMRs) can simultaneously adapt to (a) the number of processes competing for the lock, as well as (b) the number of failures that have occurred in the recent past, while maintaining the correctness and performance properties of the underlying RME algorithm. Assume that, for n processes, the RMR complexity of the underlying RME algorithm is R(n). Then, this framework yields an RME algorithm for which the RMR complexity is given by O(min{c, ̈ √ F + 1, R(n)}), where ̈c denotes the point contention (number of active processes) and F denotes the number of failures in the recent past. The system-wide failure model is a special case of the independent failure model that assumes that failures only occur simultaneously. For example, a power outage is a real life example of such a failure. This model makes a stronger assumption than just multiple independent failures. This assumption is leveraged with enhanced RME algorithms presented under this model. For the system-wide failure model, this work presents optimal RME algorithms (and related transformations) whose worst-case performance yield a O(1) RMR complexity. The fault-tolerant memory reclamation algorithm provides novel techniques to bound the worst-case space complexity of RME algorithms. The techniques used are general enough that they may also be employed to bound the space complexity of other RME algorithms. Its RMR complexity is merely an additive factor of O(1).
Book Synopsis Consistent Distributed Storage by : Vincent Gramoli
Download or read book Consistent Distributed Storage written by Vincent Gramoli and published by Morgan & Claypool Publishers. This book was released on 2021-06-30 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a presentation of several approaches for employing shared memory abstraction in distributed systems, a powerful tool for simplifying the design and implementation of software systems for networked platforms. These approaches enable system designers to work with abstract readable and writable objects without the need to deal with the complexity and dynamism of the underlying platform. The key property of shared memory implementations is the consistency guarantee that it provides under concurrent access to the shared objects. The most intuitive memory consistency model is atomicity because of its equivalence with a memory system where accesses occur serially, one at a time. Emulations of shared atomic memory in distributed systems is an active area of research and development. The problem proves to be challenging, and especially so in distributed message passing settings with unreliable components, as is often the case in networked systems. Several examples are provided for implementing shared memory services with the help of replication on top of message-passing distributed platforms subject to a variety of perturbations in the computing medium.
Book Synopsis Comunicating Processes and Fault Tolerance by :
Download or read book Comunicating Processes and Fault Tolerance written by and published by . This book was released on 1992 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: