(19)

(11)

EP 1 142 196 A2

(12)

(88) Date of publication A3: 19.07.2001 (43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 00944892.9 (22) Date of filing: 26.06.2000

(51) International Patent Classification (IPC)7: H04L 12/14, H04L 12/26 (86) International application number: PCT/US0017/583 (87) International publication number: WO 0101/726 (04.01.2001 Gazette 2001/01)

(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: 28.06.1999 US 141351 P 20.04.2000 US 552818 20.04.2000 US 553261 (71) Applicant: Xacct Technologies, Inc. Santa Clara, CA 95054 (US)	(72) Inventors: SCHWEITZER, Limor Santa ClaraCalifornia 95054 (US) GIVOLY, Tal Cupertino, CA 95014 (US) KUSHNIR, Ory, Baruch New York, NY 10016 (US) BLACK, Damian, Sean San Francisco, CA 94114 (US) (74) Representative: Potter, Julian Mark et al D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)