(19)

(11)

EP 2 151 105 A2

(12)

(88) Date of publication A3: 11.12.2008 (43) Date of publication: 10.02.2010 Bulletin 2010/06 (21) Application number: 08750479.1 (22) Date of filing: 24.04.2008

(51) International Patent Classification (IPC):  H04L 12/58(2006.01) (86) International application number: PCT/GB2008/001453 (87) International publication number: WO 2008/129309 (30.10.2008 Gazette 2008/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 24.04.2007 GB 0707935 (71) Applicant: Blue Whale Systems Limited Chiswick, London W4 5PY (GB)	(72) Inventor: MAGUIRE, Michael, Andrew London W6 8PU (GB) (74) Representative: Wood, Graham  Bailey Walsh & Co 5 York Place Leeds LS1 2SD Leeds LS1 2SD (GB)