(19)

(11)

EP 2 203 810 A1

(12)

(43) Date of publication: 07.07.2010 Bulletin 2010/27 (21) Application number: 08843327.1 (22) Date of filing: 21.10.2008

(51) International Patent Classification (IPC):  G06F 7/00(2006.01) (86) International application number: PCT/US2008/011959 (87) International publication number: WO 2009/054934 (30.04.2009 Gazette 2009/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 24.10.2007 US 977446 26.10.2007 US 978243 31.10.2007 US 981815 31.10.2007 US 981624 31.10.2007 US 981604 (71) Applicant: EMC Corporation Hopkinton, MA 01748 (US)	(72) Inventors: OLIVEIRA, Fernando Sudbury MA 01776 (US) FRIDELLA, Stephen Watertown MA 02472 (US) DIMITROV, Rossen Nashua NH 03062 (US) EATON, Patrick Arlington MA 02474 (US) ANGELONE, Raymond Norfolk MA 02056 (US) (74) Representative: Driver, Virginia Rozanne  Page White & Farrer Bedford House John Street London WC1N 2BF John Street London WC1N 2BF (GB)