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  <doc>
    <id>1165</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2010-02-15</completedDate>
    <publishedDate>2010-02-15</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Fault-Tolerant and Decentralized Lease Coordination in Distributed Systems</title>
    <abstract language="eng">Applications which need exclusive access to a shared resource in distributed systems require a fault-tolerant and scalable mechanism to coordinate this exclusive access. Examples of such applications include distributed file systems and master/slave data replication. We present Flease, an algorithm for decentralized and fault-tolerant lease coordination in distributed systems. Our algorithm allows the processes competing for a resource to coordinate exclusive access through leases among themselves without a central component. The resulting system easily scales with an increasing number of nodes and resources. We prove that Flease ensures exclusive access, i.e. guarantees that there is at most one valid lease at any time.</abstract>
    <identifier type="serial">10-02</identifier>
    <identifier type="issn">1438-0064</identifier>
    <identifier type="opus3-id">1225</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-11658</identifier>
    <author>Björn Kolbeck</author>
    <submitter>unknown unknown</submitter>
    <author>Mikael Högqvist</author>
    <author>Jan Stender</author>
    <author>Felix Hupfeld</author>
    <series>
      <title>ZIB-Report</title>
      <number>10-02</number>
    </series>
    <collection role="ddc" number="510">Mathematik</collection>
    <collection role="institutes" number="vas">Distributed Algorithms and Supercomputing</collection>
    <collection role="projects" number="2006-XtreemFS">2006-XtreemFS</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/1165/flease_zib_report.pdf</file>
  </doc>
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