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SUMMARY:Consistency and Reliability in Cloud-backed Storage Systems - Alys
 son Bessani (University of Lisbon) 
DTSTART:20140724T140000Z
DTEND:20140724T150000Z
UID:TALK52512@talks.cam.ac.uk
CONTACT:Eiko Yoneki
DESCRIPTION:Despite their rising popularity\, current cloud storage servic
 es and cloud-backed storage systems still have some limitations related to
  reliability\, durability assurances and inefficient file sharing. In this
  talk I'll briefly review the state of the art in cloud-backed storage sys
 tems (e.g.\, Dropbox\, SkyDrive\, S3QL\, BlueSky) and proceed to describe 
 SCFS\, a shared cloud-backed file system that covers most of the deficienc
 ies in previous systems. Particularly emphasis will be given on SCFS novel
  techniques: consistency anchors for ensuring strong consistency(-on-close
 ) semantics and cloud-of-clouds replication for implementing fault toleran
 ce despite arbitrary faults on storage service providers.\n\nBio: Alysson 
 Bessani is an Assistant Professor of the Department of Informatics of the 
 University of Lisbon Faculty of Sciences\, Portugal (since 2007)\, and a m
 ember of the LASIGE/Navigators research team (since 2006). He was a visiti
 ng professor on ECE-CMU in 2010 and is currently a visiting researcher in 
 MSR Cambridge. His main interests are distributed systems\, fault toleranc
 e\, storage\, middleware and systems architecture. More information about 
 him can be found at http://www.di.fc.ul.pt/~bessani.\n\n
LOCATION:FW26\, Computer Laboratory\, William Gates Builiding
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