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EP 4 424 048 A1

(12)

(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22813793.1 (22) Date of filing: 26.10.2022

(51) International Patent Classification (IPC):  H04W 12/08(2021.01) H04L 67/56(2022.01) H04W 28/02(2009.01) H04L 9/40(2022.01) H04L 12/46(2006.01) (52) Cooperative Patent Classification (CPC): H04L 12/4633; H04L 63/0272; H04L 63/0281; H04L 63/029; H04L 67/56; H04L 69/164 (86) International application number: PCT/US2022/047826 (87) International publication number: WO 2023/044174 (23.03.2023 Gazette 2023/12)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 28.10.2021 US 202163272985 P 29.10.2021 US 202163273306 P 13.04.2022 US 202217719867 (71) Applicant: Cisco Technology, Inc. San Jose, CA 95134-1706 (US)	(72) Inventors: PARLA, Vincent, E. North Hampton, NH 03862-0831 (US) MESTERY, Kyle, Andrew Donald Woodbury, MN 55129 (US) DESHMUKH, Rajvardhan, Somraj San Jose, CA 95133 (US) CAMWINGET, Nancy, Patricia Mountain View, CA 94040 (US) (74) Representative: Warren, Caroline Elisabeth et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)