(19)

(11)

EP 1 112 643 A1

(12)

(43) Date of publication: 04.07.2001 Bulletin 2001/27 (21) Application number: 99969199.1 (22) Date of filing: 10.09.1999

(51) International Patent Classification (IPC)7: H04L 12/28 (86) International application number: PCT/US9920/825 (87) International publication number: WO 0016/521 (23.03.2000 Gazette 2000/12)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 11.09.1998 US 151452 (71) Applicant: Shareware, Inc. El Dorado Hills, CA 95762 (US)	(72) Inventor: GUBBI, Rajugopal R. Fair Oaks, CA 95628-6467 (US) (74) Representative: Cross, Rupert Edward Blount et al BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)