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(11)

EP 4 512 058 A1

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(43) Date of publication: 26.02.2025 Bulletin 2025/09 (21) Application number: 23722123.9 (22) Date of filing: 10.04.2023

(51) International Patent Classification (IPC):  H04L 47/00(2022.01) (52) Cooperative Patent Classification (CPC): H04L 47/125; H04L 45/72; H04L 45/38; H04W 28/086; H04W 28/084 (86) International application number: PCT/US2023/018013 (87) International publication number: WO 2023/204989 (26.10.2023 Gazette 2023/43)

(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 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: 20.04.2022 US 202263332840 P 02.08.2022 US 202217816818 (71) Applicant: Cisco Technology, Inc. San Jose, CA 95134 (US)

(72) Inventors: MANICKAM, Arul, Murugan San Jose, CA 95132 (US) SHAH, Avinash Pleasanton, CA 94588 (US) PONNURU, Laxmikantha, Reddy San Ramon, CA 94582 (US) DAS, Satyajit Lake Tapps, WA 98391 (US) SANGOLLI, Deepa, Rajendra San Jose, CA 95148 (US) KANNAN, Govindakrishnan Santa Clara, CA 95054 (US) BARUAH, Pritam Fremont, CA 94555 (US) (74) Representative: Mathys & Squire  The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)