(19)
(11) EP 1 342 357 A2

(12)

(88) Date of publication A3:
25.07.2002

(43) Date of publication:
10.09.2003 Bulletin 2003/37

(21) Application number: 01990499.4

(22) Date of filing: 29.11.2001
(51) International Patent Classification (IPC)7H04L 29/06, H04L 12/56, H04L 12/46
(86) International application number:
PCT/EP0114/203
(87) International publication number:
WO 0204/5375 (06.06.2002 Gazette 2002/23)
(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: 01.12.2000 US 250630 P
15.03.2001 US 276059 P

(71) Applicant: Nortel Networks Limited
St. Laurent,Quebec H4S 2A9 (CA)

(72) Inventors:
  • CHRISTIAN, Philip
    Bishop's Stortford,Hertfordsh. CM22 7AH (GB)
  • FEE, Paul
    Dungannon, BT71 5DH (GB)

(74) Representative: Wallace, Alan Hutchinson 
F. R. Kelly & Co.,9 University Street
Belfast BT7 1FY,North Ireland
Belfast BT7 1FY,North Ireland (GB)

   


(54) AUTO-TUNNELLING IN A HETEROGENOUS NETWORK