The XtreemFS Architecture

This paper describes the architecture of XtreemFS, a federated and globally distributed file system. XtreemFS has to cope with scalability problems, a huge number of clients connected over WANs, the related high latency and security problems, as well as distributed file data and metadata. The XtreemFS architecture solves performance, scalability and grid-related problems by a novel design combining techniques used in grid file systems with state-of-the-art cluster file system methods. This article is published as part of the LinuxTag 2007 programme. © 2007 by the authors and the XtreemOS consortium Licensed under the Creative Commons NoDerivs-NonCommercial 1.0 license. XtreemFS is part of the XtreemOS project. XtreemOS is an Integrated Project supported by the European Commission's IST program #FP6-033576.