Essays about: "optimistic replication"

Found 4 essays containing the words optimistic replication.

  1. 1. A Multi-leader Approach to Byzantine Fault Tolerance : Achieving Higher Throughput Using Concurrent Consensus

    University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Author : Muhammad Zeeshan Abid; [2015]
    Keywords : Byzantine Failures; Fault Tolerance; Performance; Reliability;

    Abstract : Byzantine Fault Tolerant protocols are complicated and hard to implement.Today’s software industry is reluctant to adopt these protocols because of thehigh overhead of message exchange in the agreement phase and the high resourceconsumption necessary to tolerate faults (as 3 f + 1 replicas are required totolerate f faults). READ MORE

  3. 2. Implementation of a Delay-Tolerant RoutingProtocol in the Network Simulator NS-3

    University essay from Institutionen för datavetenskap

    Author : Fredrik Herbertsson; [2010]
    Keywords : Delay-tolerant network; DTN; routing protocol; ORWAR; network simulator; NS-3;

    Abstract : Small mobile devices with networking capabilities are becoming more and more readily available and used. These devices can be used to form mobile ad hoc networks to communicate, where no infrastructure for network communication exist or where it has been destroyed or is overloaded e.g. in a natural disaster such as a hurricane. READ MORE

  4. 3. Partition Aware Database Replication : A state-update transfer strategy based on PRiDe

    University essay from Institutionen för kommunikation och information

    Author : Johan Olby; [2007]
    Keywords : Data Replication; Distributed Databases; PRiDe; MANET; Optimistic Replication; Real-Time Systems;

    Abstract : Distributed real-time databases can be used to support data sharing for applications in wireless ad-hoc networks. In such networks, topology changes frequently and partitions may be unpredictable and last for an unbounded period. In this thesis, the existing database replication protocol PRiDe is extended to handle such long-lasting partitions. READ MORE

  5. 4. Conflict Detection in DeeDS

    University essay from Institutionen för kommunikation och information

    Author : Markus Hoffman; [2005]
    Keywords : optimistic replication; conflict detection; dynamic version vector; DeeDS;

    Abstract : In distributed database systems, immediate global consistency of replicated data can be achieved by distributed commit protocols that are typically unpredictable. If real-time characteristics are necessary, such unpredictability has to be avoided. READ MORE