(19)

(11)

EP 2 868 111 A1

(12)

(43) Date of publication: 06.05.2015 Bulletin 2015/19 (21) Application number: 13748383.0 (22) Date of filing: 02.07.2013

(51) International Patent Classification (IPC):  H04N 21/4402(2011.01) H04N 21/44(2011.01) (86) International application number: PCT/US2013/049174 (87) International publication number: WO 2014/008321 (09.01.2014 Gazette 2014/02)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 02.07.2012 US 201261667364 P 02.07.2012 US 201261667126 P 26.09.2012 US 201261671887 P (71) Applicant: Cisco Technology, Inc. San Jose, CA 95134 (US)	(72) Inventors: RODRIGUEZ, Arturo, A. Norcross, GA 30092 (US) KATTI, Anil, Kumar Atlanta, GA 30342 (US) HWANG, Hsiang-Yeh Duluth, GA 30096 (US) (74) Representative: Kazi, Ilya  Mathys & Squire LLP The Shard 32 London Bridge Street London SE1 9SG The Shard 32 London Bridge Street London SE1 9SG (GB)