(19)

(11)

EP 2 311 250 A1

(12)

(43) Date of publication: 20.04.2011 Bulletin 2011/16 (21) Application number: 09790199.5 (22) Date of filing: 09.07.2009

(51) International Patent Classification (IPC):  H04N 5/00(2011.01) G06F 3/06(2006.01) H04N 7/173(2011.01) (86) International application number: PCT/US2009/050051 (87) International publication number: WO 2010/006127 (14.01.2010 Gazette 2010/02)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 10.07.2008 US 170646 10.07.2008 US 170732 10.07.2008 US 170749 (71) Applicant: Juniper Networks, Inc. Sunnyvale, CA 94089-1206 (US)	(72) Inventors: GEROVAC, Branko, J. Lexington MA 02421 (US) CARVER, David, C. Lexington MA 02421 (US) (74) Representative: Harris, Ian Richard  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)