(19)

(11)

EP 1 683 302 A2

(12)

(88) Date of publication A3: 28.04.2005 (43) Date of publication: 26.07.2006 Bulletin 2006/30 (21) Application number: 04779964.8 (22) Date of filing: 02.08.2004

(51) International Patent Classification (IPC):  H04L 12/24(2006.01) (86) International application number: PCT/US2004/025046 (87) International publication number: WO 2005/013557 (10.02.2005 Gazette 2005/06)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 01.08.2003 US 491566 P 14.05.2004 US 845517 07.06.2004 US 577165 P (71) Applicant: West Ridge Networks Andover MA 01810 (US)	(72) Inventors: KANNAN, Navneeth, N. Westford, MA 01886 (US) GARY, Eric, W. Lee, NH 03824 (US) (74) Representative: Van Straaten, Joop  Octrooibureau Van Straaten Mgr. Bosstraat 22 5401 EB Uden 5401 EB Uden (NL)