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    <id>1153</id>
    <completedYear/>
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    <language>eng</language>
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    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2009-10-27</completedDate>
    <publishedDate>2009-10-27</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Transactional DHT Algorithms</title>
    <abstract language="eng">We present a framework for transactional data access on data stored in a DHT. It allows to atomically read and write items and to run distributed transactions consisting of a sequence of read and write operations on the items. Items are symmetrically replicated in order to achieve durability of data stored in the SON. To provide availability of items despite the unavailability of some replicas, operations on items are quorum-based. They make progress as long as a majority of replicas can be accessed. Our framework processes transactions optimistically with an atomic commit protocol that is based on Paxos atomic commit. We present algorithms for the whole framework with an event based notation. Additionally we discuss the problem of lookup inconsistencies and its implications on the one-copy serializability property of the transaction processing in our framework.</abstract>
    <identifier type="serial">09-34</identifier>
    <identifier type="issn">1438-0064</identifier>
    <identifier type="opus3-id">1210</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-11532</identifier>
    <author>Monika Moser</author>
    <submitter>unknown unknown</submitter>
    <author>Seif Haridi</author>
    <author>Tallat Shafaat</author>
    <author>Thorsten Schütt</author>
    <author>Mikael Högqvist</author>
    <author>Alexander Reinefeld</author>
    <series>
      <title>ZIB-Report</title>
      <number>09-34</number>
    </series>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Distributed System</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>DHT</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Paxos</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Algorithms</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Storage</value>
    </subject>
    <collection role="ddc" number="004">Datenverarbeitung; Informatik</collection>
    <collection role="institutes" number="vas">Distributed Algorithms and Supercomputing</collection>
    <collection role="persons" number="reinefeld">Reinefeld, Alexander</collection>
    <collection role="persons" number="schuett">Schütt, Thorsten</collection>
    <collection role="projects" number="2008-Scalaris">2008-Scalaris</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/1153/ZR_09_34.pdf</file>
  </doc>
  <doc>
    <id>3411</id>
    <completedYear>2011</completedYear>
    <publishedYear>2011</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>79</pageFirst>
    <pageLast>93</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>16</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">AstroGrid-D: Grid technology for astronomical science</title>
    <parentTitle language="eng">New Astronomy</parentTitle>
    <identifier type="doi">10.1016/j.newast.2010.07.005</identifier>
    <identifier type="url">http://www.sciencedirect.com/science/article/pii/S1384107610000837</identifier>
    <enrichment key="PeerReviewed">yes</enrichment>
    <author>Harry Enke</author>
    <author>Matthias Steinmetz</author>
    <author>Hans-Martin Adorf</author>
    <author>Alexander Beck-Ratzka</author>
    <author>Frank Breitling</author>
    <author>Thomas Brüsemeister</author>
    <author>Arthur Carlson</author>
    <author>Torsten Ensslin</author>
    <author>Mikael Högqvist</author>
    <author>Iliya Nickelt</author>
    <author>Thomas Radke</author>
    <author>Alexander Reinefeld</author>
    <author>Angelika Reiser</author>
    <author>Tobias Scholl</author>
    <author>Rainer Spurzem</author>
    <author>Jürgen Steinacker</author>
    <author>Wolfgang Voges</author>
    <author>Joachim Wambsganß</author>
    <author>Steve White</author>
    <collection role="institutes" number="vas">Distributed Algorithms and Supercomputing</collection>
    <collection role="persons" number="reinefeld">Reinefeld, Alexander</collection>
  </doc>
  <doc>
    <id>3490</id>
    <completedYear>2008</completedYear>
    <publishedYear>2008</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
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    <publisherName/>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Using Global Information for Load Balancing in DHTs</title>
    <parentTitle language="eng">Workshop on Decentralized Self Management for Grids, P2P, and User Communities</parentTitle>
    <author>Mikael Högqvist</author>
    <author>Seif Haridi</author>
    <author>Nico Kruber</author>
    <author>Alexander Reinefeld</author>
    <author>Thorsten Schütt</author>
    <collection role="institutes" number="vas">Distributed Algorithms and Supercomputing</collection>
    <collection role="persons" number="reinefeld">Reinefeld, Alexander</collection>
    <collection role="persons" number="schuett">Schütt, Thorsten</collection>
    <collection role="projects" number="2008-Scalaris">2008-Scalaris</collection>
  </doc>
  <doc>
    <id>3512</id>
    <completedYear>2007</completedYear>
    <publishedYear>2007</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Max Planck Digital Library</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Stellaris: An RDF-based Information Service for AstroGrid-D</title>
    <parentTitle language="eng">German e-Science Conference</parentTitle>
    <identifier type="url">http://edoc.mpg.de/316518</identifier>
    <author>Mikael Högqvist</author>
    <author>Thomas Röblitz</author>
    <author>Alexander Reinefeld</author>
    <collection role="institutes" number="vas">Distributed Algorithms and Supercomputing</collection>
    <collection role="persons" number="reinefeld">Reinefeld, Alexander</collection>
  </doc>
  <doc>
    <id>5156</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>10</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName>IEEE</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">RECODE: Reconfigurable, Consistent and Decentralized Data Services</title>
    <parentTitle language="eng">IEEE International Conference on Peer-to-Peer Computing (P2P’13)</parentTitle>
    <identifier type="doi">10.1109/P2P.2013.6688705</identifier>
    <enrichment key="PeerReviewed">yes</enrichment>
    <author>Mikael Högqvist</author>
    <submitter>Florian Schintke</submitter>
    <author>Alexander Reinefeld</author>
    <collection role="institutes" number="vas">Distributed Algorithms and Supercomputing</collection>
    <collection role="persons" number="reinefeld">Reinefeld, Alexander</collection>
    <collection role="projects" number="2008-Scalaris">2008-Scalaris</collection>
  </doc>
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