(19)
(11) EP 1 221 218 A2

(12)

(88) Date of publication A3:
27.12.2001

(43) Date of publication:
10.07.2002 Bulletin 2002/28

(21) Application number: 00968870.6

(22) Date of filing: 06.10.2000
(51) International Patent Classification (IPC)7H04L 1/24
(86) International application number:
PCT/US0027/786
(87) International publication number:
WO 0128/159 (19.04.2001 Gazette 2001/16)
(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: 08.10.1999 US 158515 P

(71) Applicant: Vigilant Networks LLC
Hampton, NH 03842 (US)

(72) Inventors:
  • KRISHNAMACHARI, Srivathsan
    Cambridge, MA 02138 (US)
  • JUDELL, Neil
    Andover, MA 01810 (US)

(74) Representative: Cheyne, John Robert Alexander Mackenzie 
Haseltine Lake & Co.,Imperial House,15-19 Kingsway
London WC2B 6UD
London WC2B 6UD (GB)

   


(54) SYSTEM AND METHOD TO DETERMINE DATA THROUGHPUT IN A COMMUNICATION NETWORK