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(11)

EP 3 877 851 A1

(12)

(43) Date of publication: 15.09.2021 Bulletin 2021/37 (21) Application number: 19798619.3 (22) Date of filing: 05.11.2019

(51) International Patent Classification (IPC):  G06F 9/50(2006.01) H04L 12/933(2013.01) (52) Cooperative Patent Classification (CPC): G06F 9/5044; H04L 45/742; H04L 49/1546 (86) International application number: PCT/EP2019/080281 (87) International publication number: WO 2020/094664 (14.05.2020 Gazette 2020/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 05.11.2018 US 201816180883 25.04.2019 US 201916395027 (71) Applicant: Xilinx, Inc. San Jose, California 95124 (US)

(72) Inventors: TURTON, Neil Cambridge Cambridgeshire CB4 1UQ (GB) RIDDOCH, David Fenstanton Cambridgeshire PE28 9JJ (GB) KITARIEV, Dmitri Costa Mesa, California 92626 (US) SOHAN, Ripduman Washington, District of Columbia 20002 (US) ROBERTS, Derek Cambridge Cambridgeshire CB4 2DB (GB) POPE, Steven Cambridge Cambridgeshire CB1 3QJ (GB) (74) Representative: Style, Kelda Camilla Karen  Page White & Farrer Bedford House John Street London, WC1N 2BF London, WC1N 2BF (GB)