(19)

(11)

EP 1 368 737 A2

(12)

(88) Date of publication A3: 09.10.2003 (43) Date of publication: 10.12.2003 Bulletin 2003/50 (21) Application number: 01963228.0 (22) Date of filing: 05.09.2001

(51) International Patent Classification (IPC)7: G06F 12/14 (86) International application number: PCT/GB0103/962 (87) International publication number: WO 0202/1243 (14.03.2002 Gazette 2002/11)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.09.2000 US 658218 (71) Applicant: International Business Machines Corporation Armonk, NY 10504 (US)	(72) Inventors: LOTSPIECH, Jeffrey San Jose, CA 95123 (US) NUSSER, Stefan Winchester, Hampshire SO21 2JN (GB) (74) Representative: Litherland, David Peter  IBM United Kingdom Ltd.,MP 110,Hursley Park Winchester,Hampshire SO21 2JN Winchester,Hampshire SO21 2JN (GB)