(r5) Grid4All < CSLab

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---+ DFS: Federative, disconnected, peer-to-peer filesystem for Grid4All

---++ Overview

[[http://www.grid4all.eu][Grid4All]] is an FP6 project funded by the European Union.
The main objective of the project is to research and develop a _democratic_ Grid,
that enables individual users to draw upon internet resources for their applications
without having to invest in IT infrastructure. Read [[AboutGrid4All][about Grid4All]].

Our team is involved in Grid4All data storage, researching and developing DFS,
a peer-to-peer distributed filesystem with a modern and _democratic_ character,
that is most suitable for the project. Currently, it is in an early prototype status.

The most prominent features of DFS are:

   * Peer-to-peer, web-like navigation.
      Other's computers are accessible just by typing their address in the path.
   * Federation of files.
      You can create workspaces and populate them by linking in
      files anywhere on the internet.
   * Federation of storage.
      Peers can contribute storage to each other, creating storage pools.
      Peers create files using this distributed pooled storage.
   * Disconnected operation.
      Files are locally cached and remain available when disconnected from the network.
      Synchronisation is done automatically, if conflicts do not occur.
   * Notifications for file modifications and publish-subscribe messaging
   * Integration with the OS. DFS can be mounted in Linux and !MacOS.

Read an article on [[DFSArch][DFS architecture]]
<!-- PERCENT INCLUDE{"CSLab.DFSArch"}% -->

---++ Publications

   * A. Chazapis, G. Tsoukalas, G. Verigakis, K. Kourtis, A. Sotiropoulos and N. Koziris, *"Global-scale peer-to-peer file services with DFS,"* in _Proceedings of the 8th IEEE/ACM International Conference on Grid Computing (Grid 2007)_, Austin, TX, USA, September 2007  ![[[http://www.cslab.ece.ntua.gr/~chazapis/papers/chazapis-grid2007.pdf][pdf]]]

Topic revision: r5 - 2008-03-07 - GeorgiosTsoukalas

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