(19)

(11)

EP 1 192 761 A1

(12)

(43) Date of publication: 03.04.2002 Bulletin 2002/14 (21) Application number: 00901381.4 (22) Date of filing: 03.01.2000

(51) International Patent Classification (IPC)7: H04L 12/54 (86) International application number: PCT/US0000/032 (87) International publication number: WO 0105/103 (18.01.2001 Gazette 2001/03)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.07.1999 US 143402 P (71) Applicant: Chromatis Networks, Inc. Herndon, VA 20170 (US)	(72) Inventor: OREN, Yair 69353 Tel-Aviv (IL) (74) Representative: Watts, Christopher Malcolm Kelway, Dr.  Lucent Technologies NS UK Limited,5 Mornington Road Woodford GreenEssex, IG8 0TU Woodford GreenEssex, IG8 0TU (GB)