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fault-tolerant servers
(400 results)-
White Papers
Zzyzx: Scalable Fault Tolerance Through Byzantine Locking
Jun 2010
Zzyzx is a Byzantine fault-tolerant replicated state machine protocol that outperforms prior approaches and provides near-linear throughput scaling. Using a new technique called Byzantine Locking,...
Provided by Carnegie Mellon University
-
White Papers
Realization of a Novel Fault Tolerant Reversible Full Adder Circuit in Nanotechnology
Jul 2010
In parity preserving reversible circuit, the parity of the input vector must match the parity of the output vector. It renders a wide class of circuit faults readily detectable at the circuit's...
Provided by University of Dhaka
-
White Papers
Survivable System by Critical Service Recovery Model: Single Service Analysis
Oct 2009
This paper reported another recovery model to enhance system survivability. The model focuses on how to preserve the system and resume its critical service while incident occurs by reconfiguring...
Provided by Universiti Teknologi PETRONAS
-
White Papers
Multiple Dimensional Fault Tolerant Schemes for Crypto Stream Ciphers
Jul 2010
To enhance the security and reliability of the widely-used stream ciphers, a 2-D and a 3-D mesh-knight Algorithm Based Fault Tolerant (ABFT) schemes for stream ciphers are developed which can be...
Provided by University of Regina
-
White Papers
Fault-Tolerant Partial Replication in Large-Scale Database Systems
Mar 2009
The authors investigate a decentralised approach to committing transactions in a replicated database, under partial replication. Previous protocols either re-execute transactions entirely and/or...
Provided by INRIA
-
White Papers
Prophecy: Using History for High-Throughput Fault Tolerance
Mar 2010
Byzantine Fault-Tolerant (BFT) replication has enjoyed a series of performance improvements, but remains costly due to its replicated work. The authors eliminate this cost for read-mostly...
Provided by Princeton University
-
White Papers
Enhancing the Robustness of Scale-Free Networks
Apr 2009
Error tolerance and attack vulnerability are two common and important properties of complex networks, which are usually used to evaluate the robustness of a network. Recently, much work has been...
Provided by BeiHang University
-
White Papers
Two New Protocols for Fault Tolerant Agreement
Jan 2011
The paper attempts to handle failures effectively, while reaching agreement, in a distributed transaction processing system. The standard protocols such as BFTDC, Zyzzyva and PBFT handle the...
Provided by National Institute of Technology Kurukshetra
-
White Papers
A New Co-Ordinated Checkpointing and Rollback Recovery Scheme for Distributed Shared Memory Clusters
Jan 2011
In this paper, a unified lightweight error recovery scheme based on coordinated checkpointing and rollback for distributed shared memory clusters is proposed. The new scheme maintains multiple...
Provided by University College of Engineering
-
White Papers
Design and Performance Analysis of Coordinated Checkpointing Algorithms for Distributed Mobile Systems
Sep 2010
Checkpointing is an efficient fault tolerance technique used in distributed systems. Mobile computing raises many new issues, such as high mobility, lack of stable storage on Mobile Hosts (MHs),...
Provided by Kurukshetra University
-
White Papers
A Realistic Evaluation of Consistency Algorithms for Replicated Files
May 2010
Data are often replicated in distributed systems to protect them against site failures and network malfunctions. When this is the case, an access policy must be chosen to insure that a consistent...
Provided by UC Regents
-
White Papers
Perfectory: A Fault-Tolerant Directory Memory Architecture
May 2010
The number of CPUs in chip multiprocessors is growing at the Moore's Law rate, due to continued technology advances. However, new technologies pose serious reliability challenges, such as more...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Low-Overhead Byzantine Fault-Tolerant Storage
Oct 2007
This paper presents an erasure-coded Byzantine fault-tolerant block storage protocol that is nearly as efficient as protocols that tolerate only crashes. Previous Byzantine fault-tolerant block...
Provided by Association for Computing Machinery
-
White Papers
A Fault Model for Upgrades in Distributed Systems
Dec 2008
Recent studies, and a large body of anecdotal evidence, suggest that upgrades are unreliable and often end in failure, causing downtime and data-loss. While this is sometimes due to software...
Provided by Carnegie Mellon University
-
White Papers
Resiliency Policies in Access Control
Jun 2008
The authors introduce the notion of resiliency policies in the context of access control systems. Such policies require an access control system to be resilient to the absence of users. An example...
Provided by Association for Computing Machinery
-
White Papers
ADHOCFTSIM: A Simulator of Fault Tolerance in the Ad-Hoc Networks
Nov 2010
The flexibility and diversity of Wireless Mobile Networks offer many opportunities that are not always taken into account by existing distributed systems. In particular, the proliferation of...
Provided by AIRCC
-
White Papers
Preserving Performance of Byzantine Fault Tolerant Replica Groups in the Presence of Malicious Clients
Aug 2009
The Castro and Liskov Byzantine Fault Tolerance protocol for replicated state machines (CLBFT) provides a practical means of tolerating arbitrary replica failures in replicated passive data...
Provided by Washington University in St. Louis
-
White Papers
Cortical Architectures on a GPGPU
Mar 2010
As the number of devices available per chip continues to increase, the computational potential of future computer architectures grows likewise. While this is a clear benefit for future computing...
Provided by Association for Computing Machinery
-
White Papers
Design Scheme and Performance Evaluation of a New Fault-Tolerant Multistage Interconnection Network
Sep 2009
The effectiveness of a parallel or distributed system is often determined by its communication network. In order to operate more efficiently a network is required to provide low latency and be...
Provided by Thapar University
-
White Papers
The Enhanced Fault-Tolerance Mechanism of AODV Routing Protocol for Wireless Sensor Network
Jun 2010
As more and more real Wireless Sensor Network's (WSN) applications are tested and deployed over the last decade, the research community of WSN realizes that several issues need to be revisited...
Provided by Islamic University
-
White Papers
A New and Efficient Method to Evaluate Residual Broadcast Reliability of Fault-Tolerant Multistage Interconnection Networks
Sep 2008
In recent years, there has been considerable interest and increased efforts in developing large parallel computing systems. Parallel computers have been applied in real time environments and they...
Provided by Padmashree Krutartha Acharya college of engineering
-
White Papers
Redundant Virtual Machine Placement for Fault-Tolerant Consolidated Server Clusters
Feb 2010
Consolidated server systems using server virtualization involves serious risks of host server failures that induce unexpected downs of all hosted virtual machines and applications. To protect...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
ETTM: A Scalable Fault Tolerant Network Manager
Mar 2011
In this paper, the authors design, implement, and evaluate a new scalable and fault tolerant network manager, called ETTM, for securely and efficiently managing network resources at a packet...
Provided by University of Washington
-
White Papers
Performance of Wireless Networks Subject to Constraints and Failures
Jan 2008
Recent years have seen a proliferation in the use of wireless multi-hop networks in diverse scenarios ranging from community mesh networks to wireless sensor networks. As wireless networks find...
Provided by University of Illinois
-
White Papers
DAMQ-Based Schemes for Efficiently Using the Buffer Spaces of a NoC Router
Oct 2009
In this paper the authors present high performance Dynamically Allocated Multi-Queue (DAMQ) buffer schemes for fault tolerance systems on chip applications that require an interconnection network....
Provided by Islamic Azad University
-
White Papers
Investigate the Relation Between the Correctness and the Number of Versions of Fault Tolerant Software System
Jan 2011
Today, most industries are highly dependent on computers for their day-to-day functioning. Safe and reliable software operations are significant requirement for many types of systems. For...
Provided by Hanoi University of Technology
-
White Papers
Proactive Process-Level Live Migration and Back Migration in HPC Environments
Jun 2009
As the number of nodes in high-performance computing environments keeps increasing, faults are becoming common place. Reactive Fault Tolerance (FT) often does not scale due to massive I/O...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Fault Tolerant Network Routing Through Software Overlays for Intelligent Power Grids
May 2010
Control decisions of intelligent devices in critical infrastructure can have a significant impact on human life and the environment. Insuring that the appropriate data is available is crucial in...
Provided by North Carolina State University
-
White Papers
Communication Framework for Fault-Tolerant Parallel Execution
Oct 2009
PC grids represent massive computation capacity at a low cost, but are challenging to employ for parallel computing because of variable and unpredictable performance and availability. A...
Provided by University of Houston
-
White Papers
Fault Tolerance Mobile Agent System Using Witness Agent in 2- Dimensional Mesh Network
Sep 2010
Mobile agents are computer programs that act autonomously on behalf of a user or its owner and travel through a network of heterogeneous machines. Fault tolerance is important in their itinerary....
Provided by Islamic Azad University
-
White Papers
A Reliable and Fault-Tolerant Routing for Optical WDM Networks
Nov 2009
In optical WDM networks, since each lightpath can carry a huge mount of traffic, failures may seriously damage the end-user applications. Hence fault-tolerance becomes an important issue on these...
Provided by SSN College of Engineering
-
White Papers
Fault-Tolerant Mobile Agent-Based Monitoring Mechanism for Highly Dynamic Distributed Networks
May 2010
Thanks to asynchronous and dynamic natures of mobile agents, a certain number of mobile agent-based monitoring mechanisms have actively been developed to monitor large-scale and dynamic...
Provided by Kyonggi University
-
White Papers
An Overlapping Scan Architecture for Reducing Both Test Time and Test Power by Pipelining Fault Detection
Jan 2009
The authors present a novel scan architecture for simultaneously reducing test application time and test power (both average and peak power). Unlike previous works where the scan chain is...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Robust Guaranteed Cost Satisfactory Fault-Tolerant Control With Regional Poles Constraints
Mar 2008
The problem of robust guaranteed cost satisfactory fault-tolerant control with regional poles constraints against actuator failures is investigated for a class of continuous-time systems with...
Provided by Nanjing University of Science & Technology
-
White Papers
Quorum Based Distributed Mutual System
Dec 2009
The main goal of a distributed computing system is to connect users and resources in a transparent, open, and scalable way. Ideally this arrangement is drastically more fault tolerant and more...
Provided by Osmania University
-
White Papers
Improved Device Driver Reliability Through Hardware Verification Reuse
Mar 2011
Faulty device drivers are a major source of operating system failures. The authors argue that the underlying cause of many driver faults is the separation of two highly-related tasks: device...
Provided by Association for Computing Machinery
-
White Papers
Fault Injection Based Analysis of Defect Amplification Index in Technology Variant Commercial Software Application Development
Dec 2009
Fault injection involves the deliberate insertion of faults or errors into software in order to determine its response and to study its behaviour. Fault Injection Experiments have proven to be an...
Provided by Anna University
-
White Papers
Performance and Availability Tradeoffs in Replicated File Systems
Oct 2007
Replication is a key technique for improving fault tolerance. Replication can also improve application performance under some circumstances, but can have the opposite effect under others. In this...
Provided by University of Michigan
-
White Papers
TxComm: Transforming Stream Communication for Load Balance, Efficiency, and Fault-Tolerance in Networks-on-Chip
May 2011
Recent work has examined using application-specific knowledge of streaming communication to optimize network routing (for throughput/performance) and/or design (for simpler hardware). However,...
Provided by Purdue University
-
White Papers
Fault-Tolerant Stream Processing Using a Distributed, Replicated File System
Aug 2008
The authors present SGuard, a new fault-tolerance technique for distributed Stream Processing Engines (SPEs) running in clusters of commodity servers. SGuard is less disruptive to normal stream...
Provided by VLDB Endowment
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Whitepapers
In-Memory Cluster Computing
Mar 2012
The authors present Resilient Distributed Datasets (RDDs), a distributed memory abstraction that lets programmers perform in-memory computations on large clusters in a fault-tolerant manner. RDDs...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Discretized Streams: An Efficient and Fault-Tolerant Model for Stream Processing on Large Clusters
May 2012
Many important "Big data" applications need to process data arriving in real time. However, current programming models for distributed stream processing are relatively low-level, often leaving the...
Provided by University of California
-
Whitepapers
A Framework for Performance Analysis of Geographic Delaytolerant Routing
May 2012
A major tool used for evaluating routing protocols in ad hoc and delay-tolerant networks is simulation. Whereas the results from simulations give good insights, they are limited to the specific...
Provided by Springer Science+Business Media
-
Whitepapers
Delay-Tolerant Vs. Delay-Constrained Estimation of Spatial Random Fields
Dec 2009
In this paper, the authors design a number of encoding strategies suitable for the estimation of spatial random fields via wireless sensor networks. They address two cases of interest, namely,...
Provided by Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
-
Whitepapers
Transforming Enterprise Application Deployment Using HP's Scale-up Family of Intel® Xeon® Processor-based ProLiant Servers
Jun 2011
Installing and updating software can certainly be a pain. Even when it goes smoothly, you'll probably have to wait a while. So when you're tasked with deploying an application across your entire...
Provided by Hewlett-Packard (HP)
-
White Papers
Ubiquitous Air Quality Monitoring System With Service Oriented Architecture Middleware
Apr 2012
The authors have been developing AirScope, an event-based air quality monitoring system, since 2008 and regularly add new features to it. The first version of AirScope is up and running on desktop...
Provided by AICIT
-
White Papers
Autonomic Computing Strategy for Server Virtualization
Apr 2010
This paper presents a technique specially adapted for the implementation of some techniques for self-supply and self-optimization for autonomic computing with application in server virtualization....
Provided by University of Craiova
-
White Papers
A Generalized Approach for Fault Tolerance and Load Based Scheduling of Threads in Alchemi .Net
Sep 2011
Computational grids can be best utilized by the divide and conquer approach, when it comes to executing a large process. In order to achieve this, building multithreaded application is one of the...
Provided by IARIA
-
White Papers
Fault Tolerance Framework Using Model-Based Diagnosis: Towards Dependable Business Processes
Sep 2011
Several reports indicate that one of the most important business priorities is the improvement of business and IT management. Management and automation of business processes have become essential...
Provided by IARIA
-
White Papers
Analysis of Selective Routing Strategies for Fault Tolerance in Wireless Sensor Networks
May 2012
Wireless sensor networks are intended to have large number of sensor nodes which are widely deployed in a distributed environment. Steep increase in number of nodes, which is a deviant to WSN...
Provided by Engg Journals Publications
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White Papers
An Optimal RPC Based Approach to Increase Fault Tolerance in Wireless Ad-Hoc Network
Apr 2012
In wireless network, fault tolerant topology control is an important and a challenging task. The wireless nodes and links could experience frequent failures since, wireless networks are usually...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Error Detection & Correction in Wireless Sensor Networks by Using Residue Number Systems
Mar 2012
Wireless Sensor Networks have potential of significantly enhancing the people ability to monitor and interact with their physical environment. Realizing a fault tolerant operation is critical to...
Provided by mecs-press
-
White Papers
Learning Process Behavior for Fault Detection
Jul 2011
Recently, there has been an increased interest in self-healing systems. These types of systems are able to cope with failures in the environment they execute and work continuously by taking...
Provided by World Scientific Publishing
-
White Papers
Fault-Tolerance and Permutation Analysis of ASEN and Its Variant
Mar 2010
High performance computing systems can be designed using parallel processing. The effectiveness of these parallel systems rests primarily on the communication network linking processors and memory...
Provided by International Journal of Computer Science and Information Technologies
-
White Papers
Reliability Analysis of Multi Path Multistage Interconnection Networks
Feb 2012
As systems have grown more complex, the consequences on their reliable behavior have become severe in terms of cost, life, size, etc., and the interest in accessing system reliability and the need...
Provided by Academy & Industry Research Collaboration Center
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White Papers
Implementation of Fault Tolerance Algorithm to Restore Affected Nodes in Scheduling Clusters
Jan 2012
Due to the convergence of the networks, the top priority objective of researchers is to get the network fully connected. Several types of networks have been introduced and proposed to improve...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
A Multiple Fault Tolerant Approach With Improved Performance in Cluster Computing
Apr 2011
In case of multiple node failures performance is very low as compare to single node failure. Failures of nodes in cluster computing can be tolerated by multiple fault tolerant computing. In this...
Provided by Journal of Computing
-
White Papers
Byzantine Fault-Tolerant Deferred Update Replication
Jan 2011
Replication is a well-established approach to increasing database availability. Many database replication protocols have been proposed for the crash-stop failure model, in which servers fail...
Provided by University of Lugano
-
White Papers
Scalable Byzantine Fault-Tolerant Storage
Apr 2011
Byzantine fault-tolerance is a fundamental requirement for many contemporary services. Shorter development cycles, bigger server exposure to attacks, and an inherently hostile network have...
Provided by University of Lugano
-
White Papers
Byzantine Fault-Tolerance With Commutative Commands
Sep 2011
State machine replication is a popular approach to increasing the availability of computer services. While it has been largely studied in the presence of crash-stop failures and malicious...
Provided by University of Lugano
-
White Papers
A Survey Using Constraints to Decision-Making for Fault Tolerance in Business Processes
Oct 2010
Sometimes the business processes do not work how it is expected. In these cases, a diagnosis process has to be executed to determine the responsible activity or activities of the fault in order to...
Provided by Universidad de Sevilla
-
White Papers
Design and Performance Evaluation of a New Irregular Fault-Tolerant Multistage Interconnection Network
Mar 2012
Inter-connecting processors and linking them efficiently to the memory modules in a parallel computer is not an easy task. Hence, an interconnection network that provides the desired connectivity...
Provided by International Journal of Computer Science Issues
-
White Papers
Graphical Model Based for Robust Fault Diagnosis
Mar 2012
In this paper, robust Fault Detection and Isolation (FDI) design in nonlinear uncertain dynamic system, with chemical and thermodynamic phenomenon, is addressed. The methodology using a Bond Graph...
Provided by International Journal of Computer Science Issues
-
White Papers
Fault-Tolerant Distributed Reconnaissance
Oct 2010
This paper describes a method to efficiently canvass an area of interest using distributed sensing methods, assisted by fault-tolerant resource management. By implementing multiple aircraft in an...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Preference Location-Based Routing in Delay Tolerant Networks
Dec 2011
Routing in Delay Tolerant Networks (DTNs) is a challenge due to the fact that the network graph is intermittently connected. However, routing benefits considerably if one can take advantage of...
Provided by University of Electronic Science and Technology of China
-
White Papers
A Group-Based Data Transmission Algorithm in Delay Tolerant Sensor Networks
Feb 2012
This paper proposes an efficient data delivery algorithm called Group-based Data Transmission (GDT) for Delay Tolerant Mobile Sensor Networks (DTMSN). In GDT, the authors introduce the principle...
Provided by University of Electronic Science and Technology of China
-
White Papers
An Overview of Checkpointing Techniques for Fault Tolerance in Distributed Computing Systems
Jan 2012
Checkpointing is an important feature in distributed computing systems. It gives fault tolerance without requiring additional efforts from the programmer. In order to provide fault tolerance for...
Provided by International Journal of Electronics Communication and Computer Engineering
-
White Papers
Variable Density Deployment and Topology Control for the Solution of the Sink-Hole Problem
Sep 2009
The use of mobile sensors is of great relevance to monitor critical areas where sensors cannot be deployed manually. The presence of data collector sinks causes increased energy depletion in their...
Provided by University of Rome
-
White Papers
A Formal Method for Developing Provably Correct Fault-Tolerant Systems Using Partial Refinement and Composition
Aug 2009
It is widely agreed that building correct fault-tolerant systems is very difficult. To address this problem, this paper introduces a new model-based approach for developing masking fault-tolerant...
Provided by Naval Research Laboratory
-
White Papers
Analyzing an Integrated Technique for the Software Requirements of a Safety Critical System Based on Software Inspection, Requirements Traceability and Fault Tolerance
Jun 2011
Requirement analysis is important for developing and implementing safety critical systems. The system identified is intended to reduce the risks and fulfils earlier discovered safety requirements....
Provided by VIT UNIVERSITY
-
White Papers
CBFD: A Count-Based Fault Detection Scheme for Memory Arrays
Mar 2011
The performance-cost benefits enjoyed for decades due to the scaling of device area are challenged by power and reliability constraints. Fixed power envelopes and increases in static and dynamic...
Provided by University of Cyprus
-
White Papers
K-Fault Tolerance of the Internet AS Graph
Apr 2011
Internet disruptions such as the Northeast Blackout and the Taiwan earthquake highlight the fragility of today's Internet. The authors' goal in this paper is to investigate the robustness of...
Provided by Reed Elsevier
-
White Papers
Bio-Inspired Multi-Period Routing Algorithms in Delay Tolerant Networks
Aug 2011
In this paper, inspired by the impact of incubation period on epidemic dynamics, the authors present a class of routing algorithms for Delay Tolerant Networks (DTN) in which the copies or coded...
Provided by Rensselaer Polytechnic Institute
-
White Papers
Fault-Driven Re-Scheduling for Improving System-Level Fault Resilience
Oct 2007
The productivity of HPC system is determined not only by their performance, but also by their reliability. The conventional method to limit the impact of failures is check-pointing. However,...
Provided by Illinois Institute of Technology
-
White Papers
Fault-Tolerant Business Processes
Jul 2011
Service-Oriented Computing (SOC) paradigm promotes the idea of assembling application components into a network of loosely coupled services. Web services are the most promising SOC-based...
Provided by Universidad Politecnica de Madrid
-
White Papers
Dynamic Atomic Storage Without Consensus
Jun 2009
This paper deals with the emulation of atomic Read/Write (R/W) storage in dynamic asynchronous message passing systems. In static settings, it is well known that atomic R/W storage can be...
Provided by Microsoft
-
White Papers
Reliability Analysis of a Fault Tolerant Switch
Jan 2012
This paper proposes an enhancement to the Tagle-Sharma network, a high performance self routing fault tolerant switch fabric which employs an enhanced scheme of the banyan network. The enhancement...
Provided by International Association of Computer Science & Information Technology (IACSIT)
-
White Papers
TS-PVM: A Fault Tolerant PVM Extension for Real Time Applications
Oct 2009
In this paper, a fault tolerant extension of the de facto message passing system parallel virtual machine, TS- parallel virtual machine, is introduced. This extension enables real time...
Provided by Zarqa Private University
-
White Papers
Fault Tolerance- Challenges, Techniques and Implementation in Cloud Computing
Jan 2012
Fault tolerance is a major concern to guarantee availability and reliability of critical services as well as application execution. In order to minimize failure impact on the system and...
Provided by International Journal of Computer Science Issues
-
White Papers
VLSI Realization of Artificial Neural Networks With Improved Fault Tolerance
Jun 2010
The feed forward neural network which is a model of the cerebral neural network has in-built fault tolerance. The conventional back-propagation algorithm reduces errors between the learning...
Provided by International Journal of Computer Applications
-
White Papers
Multiple Dimensional Fault Tolerant Schemes for Crypto Stream Ciphers
Jul 2010
To enhance the security and reliability of the widely-used stream ciphers, a 2-D and a 3-D mesh-knight Algorithm Based Fault Tolerant (ABFT) schemes for stream ciphers are developed which can be...
Provided by University of Regina
-
White Papers
Fault-Tolerant Partial Replication in Large-Scale Database Systems
Mar 2009
The authors investigate a decentralised approach to committing transactions in a replicated database, under partial replication. Previous protocols either re-execute transactions entirely and/or...
Provided by INRIA
-
White Papers
Prophecy: Using History for High-Throughput Fault Tolerance
Mar 2010
Byzantine Fault-Tolerant (BFT) replication has enjoyed a series of performance improvements, but remains costly due to its replicated work. The authors eliminate this cost for read-mostly...
Provided by Princeton University
-
White Papers
Enhancing the Robustness of Scale-Free Networks
Apr 2009
Error tolerance and attack vulnerability are two common and important properties of complex networks, which are usually used to evaluate the robustness of a network. Recently, much work has been...
Provided by BeiHang University
-
White Papers
Two New Protocols for Fault Tolerant Agreement
Jan 2011
The paper attempts to handle failures effectively, while reaching agreement, in a distributed transaction processing system. The standard protocols such as BFTDC, Zyzzyva and PBFT handle the...
Provided by National Institute of Technology Kurukshetra
-
White Papers
A New Co-Ordinated Checkpointing and Rollback Recovery Scheme for Distributed Shared Memory Clusters
Jan 2011
In this paper, a unified lightweight error recovery scheme based on coordinated checkpointing and rollback for distributed shared memory clusters is proposed. The new scheme maintains multiple...
Provided by University College of Engineering
-
White Papers
Design and Performance Analysis of Coordinated Checkpointing Algorithms for Distributed Mobile Systems
Sep 2010
Checkpointing is an efficient fault tolerance technique used in distributed systems. Mobile computing raises many new issues, such as high mobility, lack of stable storage on Mobile Hosts (MHs),...
Provided by Kurukshetra University
-
White Papers
A Realistic Evaluation of Consistency Algorithms for Replicated Files
May 2010
Data are often replicated in distributed systems to protect them against site failures and network malfunctions. When this is the case, an access policy must be chosen to insure that a consistent...
Provided by UC Regents
-
White Papers
Perfectory: A Fault-Tolerant Directory Memory Architecture
May 2010
The number of CPUs in chip multiprocessors is growing at the Moore's Law rate, due to continued technology advances. However, new technologies pose serious reliability challenges, such as more...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Low-Overhead Byzantine Fault-Tolerant Storage
Oct 2007
This paper presents an erasure-coded Byzantine fault-tolerant block storage protocol that is nearly as efficient as protocols that tolerate only crashes. Previous Byzantine fault-tolerant block...
Provided by Association for Computing Machinery
-
White Papers
A Fault Model for Upgrades in Distributed Systems
Dec 2008
Recent studies, and a large body of anecdotal evidence, suggest that upgrades are unreliable and often end in failure, causing downtime and data-loss. While this is sometimes due to software...
Provided by Carnegie Mellon University
-
White Papers
Resiliency Policies in Access Control
Jun 2008
The authors introduce the notion of resiliency policies in the context of access control systems. Such policies require an access control system to be resilient to the absence of users. An example...
Provided by Association for Computing Machinery
-
White Papers
ADHOCFTSIM: A Simulator of Fault Tolerance in the Ad-Hoc Networks
Nov 2010
The flexibility and diversity of Wireless Mobile Networks offer many opportunities that are not always taken into account by existing distributed systems. In particular, the proliferation of...
Provided by AIRCC
-
White Papers
Preserving Performance of Byzantine Fault Tolerant Replica Groups in the Presence of Malicious Clients
Aug 2009
The Castro and Liskov Byzantine Fault Tolerance protocol for replicated state machines (CLBFT) provides a practical means of tolerating arbitrary replica failures in replicated passive data...
Provided by Washington University in St. Louis
-
White Papers
Cortical Architectures on a GPGPU
Mar 2010
As the number of devices available per chip continues to increase, the computational potential of future computer architectures grows likewise. While this is a clear benefit for future computing...
Provided by Association for Computing Machinery
-
White Papers
Design Scheme and Performance Evaluation of a New Fault-Tolerant Multistage Interconnection Network
Sep 2009
The effectiveness of a parallel or distributed system is often determined by its communication network. In order to operate more efficiently a network is required to provide low latency and be...
Provided by Thapar University
-
White Papers
The Enhanced Fault-Tolerance Mechanism of AODV Routing Protocol for Wireless Sensor Network
Jun 2010
As more and more real Wireless Sensor Network's (WSN) applications are tested and deployed over the last decade, the research community of WSN realizes that several issues need to be revisited...
Provided by Islamic University
-
White Papers
A New and Efficient Method to Evaluate Residual Broadcast Reliability of Fault-Tolerant Multistage Interconnection Networks
Sep 2008
In recent years, there has been considerable interest and increased efforts in developing large parallel computing systems. Parallel computers have been applied in real time environments and they...
Provided by Padmashree Krutartha Acharya college of engineering
-
White Papers
Redundant Virtual Machine Placement for Fault-Tolerant Consolidated Server Clusters
Feb 2010
Consolidated server systems using server virtualization involves serious risks of host server failures that induce unexpected downs of all hosted virtual machines and applications. To protect...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
ETTM: A Scalable Fault Tolerant Network Manager
Mar 2011
In this paper, the authors design, implement, and evaluate a new scalable and fault tolerant network manager, called ETTM, for securely and efficiently managing network resources at a packet...
Provided by University of Washington
-
White Papers
Performance of Wireless Networks Subject to Constraints and Failures
Jan 2008
Recent years have seen a proliferation in the use of wireless multi-hop networks in diverse scenarios ranging from community mesh networks to wireless sensor networks. As wireless networks find...
Provided by University of Illinois
-
White Papers
DAMQ-Based Schemes for Efficiently Using the Buffer Spaces of a NoC Router
Oct 2009
In this paper the authors present high performance Dynamically Allocated Multi-Queue (DAMQ) buffer schemes for fault tolerance systems on chip applications that require an interconnection network....
Provided by Islamic Azad University
-
White Papers
Investigate the Relation Between the Correctness and the Number of Versions of Fault Tolerant Software System
Jan 2011
Today, most industries are highly dependent on computers for their day-to-day functioning. Safe and reliable software operations are significant requirement for many types of systems. For...
Provided by Hanoi University of Technology
-
White Papers
Proactive Process-Level Live Migration and Back Migration in HPC Environments
Jun 2009
As the number of nodes in high-performance computing environments keeps increasing, faults are becoming common place. Reactive Fault Tolerance (FT) often does not scale due to massive I/O...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Fault Tolerant Network Routing Through Software Overlays for Intelligent Power Grids
May 2010
Control decisions of intelligent devices in critical infrastructure can have a significant impact on human life and the environment. Insuring that the appropriate data is available is crucial in...
Provided by North Carolina State University
-
White Papers
Communication Framework for Fault-Tolerant Parallel Execution
Oct 2009
PC grids represent massive computation capacity at a low cost, but are challenging to employ for parallel computing because of variable and unpredictable performance and availability. A...
Provided by University of Houston
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White Papers
Fault Tolerance Mobile Agent System Using Witness Agent in 2- Dimensional Mesh Network
Sep 2010
Mobile agents are computer programs that act autonomously on behalf of a user or its owner and travel through a network of heterogeneous machines. Fault tolerance is important in their itinerary....
Provided by Islamic Azad University
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White Papers
A Reliable and Fault-Tolerant Routing for Optical WDM Networks
Nov 2009
In optical WDM networks, since each lightpath can carry a huge mount of traffic, failures may seriously damage the end-user applications. Hence fault-tolerance becomes an important issue on these...
Provided by SSN College of Engineering
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White Papers
Fault-Tolerant Mobile Agent-Based Monitoring Mechanism for Highly Dynamic Distributed Networks
May 2010
Thanks to asynchronous and dynamic natures of mobile agents, a certain number of mobile agent-based monitoring mechanisms have actively been developed to monitor large-scale and dynamic...
Provided by Kyonggi University
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White Papers
An Overlapping Scan Architecture for Reducing Both Test Time and Test Power by Pipelining Fault Detection
Jan 2009
The authors present a novel scan architecture for simultaneously reducing test application time and test power (both average and peak power). Unlike previous works where the scan chain is...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Robust Guaranteed Cost Satisfactory Fault-Tolerant Control With Regional Poles Constraints
Mar 2008
The problem of robust guaranteed cost satisfactory fault-tolerant control with regional poles constraints against actuator failures is investigated for a class of continuous-time systems with...
Provided by Nanjing University of Science & Technology
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White Papers
Quorum Based Distributed Mutual System
Dec 2009
The main goal of a distributed computing system is to connect users and resources in a transparent, open, and scalable way. Ideally this arrangement is drastically more fault tolerant and more...
Provided by Osmania University
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White Papers
Improved Device Driver Reliability Through Hardware Verification Reuse
Mar 2011
Faulty device drivers are a major source of operating system failures. The authors argue that the underlying cause of many driver faults is the separation of two highly-related tasks: device...
Provided by Association for Computing Machinery
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White Papers
Fault Injection Based Analysis of Defect Amplification Index in Technology Variant Commercial Software Application Development
Dec 2009
Fault injection involves the deliberate insertion of faults or errors into software in order to determine its response and to study its behaviour. Fault Injection Experiments have proven to be an...
Provided by Anna University
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White Papers
Performance and Availability Tradeoffs in Replicated File Systems
Oct 2007
Replication is a key technique for improving fault tolerance. Replication can also improve application performance under some circumstances, but can have the opposite effect under others. In this...
Provided by University of Michigan
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White Papers
TxComm: Transforming Stream Communication for Load Balance, Efficiency, and Fault-Tolerance in Networks-on-Chip
May 2011
Recent work has examined using application-specific knowledge of streaming communication to optimize network routing (for throughput/performance) and/or design (for simpler hardware). However,...
Provided by Purdue University
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White Papers
Fault-Tolerant Stream Processing Using a Distributed, Replicated File System
Aug 2008
The authors present SGuard, a new fault-tolerance technique for distributed Stream Processing Engines (SPEs) running in clusters of commodity servers. SGuard is less disruptive to normal stream...
Provided by VLDB Endowment
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White Papers
A Practical Scalable Distributed B-Tree
Aug 2008
Internet applications increasingly rely on scalable data structures that must support high throughput and store huge amounts of data. These data structures can be hard to implement efficiently....
Provided by VLDB Endowment
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White Papers
Implementation of Watch Dog Timer for Fault Tolerant Computing on Cluster Server
Jun 2009
In today's new technology era, cluster has become a necessity for the modern computing and data applications since many applications take more time (even days or months) for computation. Although...
Provided by Visvesvaraya National Institute of Technology
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White Papers
Comparative Study of Fault Identification and Classification on EHV Lines Using Discrete Wavelet Transform and Fourier Transform Based ANN
Jan 2011
An appropriate method for fault identification and classification on extra high voltage transmission line using discrete wavelet transform is proposed in this paper. The sharp variations of the...
Provided by Institute of Electrical and Electronics Engineers
