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EP 4 327 543 A1

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(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22722104.1 (22) Date of filing: 20.04.2022

(51) International Patent Classification (IPC):  H04L 67/568(2022.01) H04L 67/02(2022.01) H04L 67/5683(2022.01) (52) Cooperative Patent Classification (CPC): H04L 67/02; H04L 67/568; H04L 67/5683; G06F 16/9566 (86) International application number: PCT/US2022/071819 (87) International publication number: WO 2022/226510 (27.10.2022 Gazette 2022/43)

(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: 23.04.2021 US 202163201337 P 20.05.2021 US 202117325450 (71) Applicant: Akamai Technologies, Inc. Cambridge, MA 02142 (US)

(72) Inventors: STEVENS, Matthew, J. Cambridge, MA 02142 (US) MERIDETH, Michael, G. Cambridge, MA 02142 (US) ALEXANDROV, Nil Cambridge, MA 02142 (US) CHAMPAGNE, Andrew, F. Cambridge, MA 02142 (US) COYLE, Brendan Cambridge, MA 02142 (US) GLYNN, Timothy Cambridge, MA 02142 (US) ROMAN, Mark, A. Cambridge, MA 02142 (US) LISIECKI, Philip, A. Cambridge, MA 02142 (US) XU, Xin Cambridge, MA 02142 (US) (74) Representative: TLIP Limited  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)