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Panache exploits the soon-to-be standard pNFS protocol to move data in parallel from the remote file cluster. Furthermore, it provides a POSIX compliant file system interface making the cache completely transparent to applications. Panache can mask the fluctuating wide-area-network latencies and outages by supporting asynchronous and disconnected-mode operations. It allows concurrent updates to be made at the cache and at the remote cluster and synchronizes them by using conflict detection techniques to flag and handle conflicts. To maintain commercial viability, Panache relies on open standards for high-performance file serving and does not require any proprietary hardware or software to be deployed at the remote cluster. In this paper we present the overall architecture of Panache and its key features.<\/jats:p>","DOI":"10.1145\/1341312.1341322","type":"journal-article","created":{"date-parts":[[2008,2,8]],"date-time":"2008-02-08T15:32:16Z","timestamp":1202484736000},"page":"48-53","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Panache"],"prefix":"10.1145","volume":"42","author":[{"given":"R.","family":"Ananthanarayanan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Eshel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Haskin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Naik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F.","family":"Schmuck","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Tewari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2008,1]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"IOR Benchmark: Scalable I\/O Project http:\/\/www.llnl.gov\/icc\/lc\/siop.  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Wide Area File Services: Delivering on the Promse of Storage and Server Consolidation at the Branch Office. http:\/\/www.packeteer.com\/resources\/prodsol\/WAFS_WP.pdf.  Packeteer Inc. Wide Area File Services: Delivering on the Promse of Storage and Server Consolidation at the Branch Office. http:\/\/www.packeteer.com\/resources\/prodsol\/WAFS_WP.pdf."},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1109\/12.54838"},{"key":"e_1_2_1_10_1","first-page":"231","volume-title":"Proc. of the First Conference on File and Storage Technologies (FAST)","author":"Schmuck F.","year":"2002"},{"key":"e_1_2_1_11_1","unstructured":"S. Shepler and etal NFS version 4 Protocol. RFC 3530.  S. Shepler and et al. NFS version 4 Protocol. RFC 3530."},{"key":"e_1_2_1_12_1","unstructured":"G. Sivathanu and E. Zadok. A Versatile Persistent Caching Framework for File Systems. Technical report.  G. Sivathanu and E. Zadok. A Versatile Persistent Caching Framework for File Systems. 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