Sökning: "Fault-tolerance"

Visar resultat 31 - 35 av 100 avhandlingar innehållade ordet Fault-tolerance.

  1. 31. Hardware and Software Mechanisms for Control Flow Checking

    Författare :Ghassem Miremadi; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fault tolerance; error detection latency; signature monitoring; watchdog processor; dependability evaluation; transient faults; physical fault injection; concurrent error detection; control flow checking; error detection coverage;

    Sammanfattning : The improvement of dependability in computing systems requires the evaluation of fault tolerance mechanisms such as error detection, error recovery and reconfiguration. Central to this thesis is an experimental evaluation of several hardware and/or software implemented mechanisms for the concurrent detection of control flow errors. LÄS MER

  3. 32. Multiple-Bit Errors in Computer Systems

    Författare :Rolf Johansson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fault sim ulation; fault tolerance; single event upsets; error-correcting codes; multiple-bit errors; transient faults; fault modelling; physical fault injection;

    Sammanfattning : This thesis discusses the types of transient faults caused by heavy-ion or a-particle radiation that manifest as multiple-bit errors and how information redundancy techniques can achieve fault tolerance with respect to some classes of multiple-bit errors. The first part of the thesis considers the fault modelling problem, beginning with the problem of how single event upsets (SEUs) originating from faults in register cells in microprocessors manifest as primary errors. LÄS MER

  4. 33. Programming Model and Protocols for Reconfigurable Distributed Systems

    Författare :Cosmin Ionel Arad; Seif Haridi; Gregory Chockler; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; distributed systems; programming model; message-passing concurrency; nested hierarchical composition; reactive components; software architecture; dynamic reconfiguration; multi-core; discrete-event simulation; peer-to-peer; testing; debugging; distributed key-value stores; data replication; consistency; linearizability; network partition tolerance; consistent hashing; self-organization; scalability; elasticity; fault tolerance; consistent quorums;

    Sammanfattning : Distributed systems are everywhere. From large datacenters to mobile devices, an ever richer assortment of applications and services relies on distributed systems, infrastructure, and protocols. Despite their ubiquity, testing and debugging distributed systems remains notoriously hard. LÄS MER

  5. 34. Design and evaluation techniques for detection and coverage estimation of low-level errors

    Författare :Örjan Askerdal; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; simulation-based fault injection; error detection techniques; double execution; watchdog timers; fault tolerance; COTS; self-tests; embedded systems; assertion checks;

    Sammanfattning : .... LÄS MER

  7. 35. Restoring Consistency after Network Partitions

    Författare :Mikael Asplund; Simin Nadjm-Tehrani; Paul Ezhilchelvan; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; distributed systems; fault tolerance; network partitions; dependability; integrity constraints; Computer science; Datalogi;

    Sammanfattning : The software industry is facing a great challenge. While systems get more complex and distributed across the world, users are becoming more dependent on their availability. As systems increase in size and complexity so does the risk that some part will fail. LÄS MER