(19)

(11)

EP 1 719 062 A2

(12)

(88) Date of publication A3: 24.11.2005 (43) Date of publication: 08.11.2006 Bulletin 2006/45 (21) Application number: 05708056.6 (22) Date of filing: 24.02.2005

(51) International Patent Classification (IPC):  G06F 17/30(2006.01) G06F 15/02(2006.01) H04L 12/58(2006.01) (86) International application number: PCT/EP2005/050797 (87) International publication number: WO 2005/083586 (09.09.2005 Gazette 2005/36)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 26.02.2004 US 787981 26.02.2004 US 787982 26.02.2004 US 787998 26.02.2004 US 788999 26.02.2004 US 788022 (71) Applicant: International Business Machines Corporation Armonk, N.Y. 10504 (US)	(72) Inventors: BROWN, Michael Georgetown, TX 78628 (US) PAOLINI, Michael Austin, TX 78750 (US) SMITH, Newton, Jr. Austin, TX 78726 (US) (74) Representative: Watson, Justine Nicola C.  Intellectual Property Law, IBM United Kingdom Limited, Hursley Park Winchester, Hampshire SO21 2JN Winchester, Hampshire SO21 2JN (GB)