(19)

(11)

EP 2 689 377 A1

(12)

(43) Date of publication: 29.01.2014 Bulletin 2014/05 (21) Application number: 11711824.0 (22) Date of filing: 24.03.2011

(51) International Patent Classification (IPC):  G06F 21/24(0000.00) H04L 29/06(2006.01) (86) International application number: PCT/EP2011/054538 (87) International publication number: WO 2012/126528 (27.09.2012 Gazette 2012/39)

(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 (71) Applicant: Atos IT Solutions and Services GmbH 81739 München (DE)	(72) Inventors: GEHRTZ, Udo 51371 Leverkusen (DE) ORZESSEK, Dieter 45663 Recklinghausen (DE) (74) Representative: Patentanwaltskanzlei WILHELM & BECK  Prinzenstrasse 13 80639 München 80639 München (DE)