(19)

(11)

EP 1 340 343 A2

(12)

(88) Date of publication A3: 22.05.2003 (43) Date of publication: 03.09.2003 Bulletin 2003/36 (21) Application number: 01992040.4 (22) Date of filing: 07.12.2001

(51) International Patent Classification (IPC)7: H04L 12/56, H04L 12/06 (86) International application number: PCT/US0146/995 (87) International publication number: WO 0204/7328 (13.06.2002 Gazette 2002/24)

(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: 07.12.2000 US 251929 P (71) Applicant: Cyneta Networks, Inc. Plano, TX 75093 (US)	(72) Inventors: PATHAK, Jogen, K. Irving, TX 75063 (US) KRISHNAMURTHY, Shridhar Coppell, TX 75019 (US) (74) Representative: Beck, Simon Antony et al Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)