(19)

(11)

EP 4 825 011 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24828292.3 (22) Date of filing: 10.12.2024

(51) International Patent Classification (IPC):  H04L 12/46(2006.01) H04L 45/74(2022.01) (52) Cooperative Patent Classification (CPC): H04L 12/4633; H04L 45/74 (86) International application number: PCT/US2024/059381 (87) International publication number: WO 2025/128573 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 13.12.2023 US 202363609831 P 18.03.2024 US 202418608604 (71) Applicant: Cisco Technology, Inc. San Jose, CA 95134 (US)	(72) Inventors: SHAH, Avinash Pleasanton, CA 94588 (US) KANNAWADI, Pradeepan Dublin, CA 94568 (US) BARUAH, Pritam Fremont, CA 94555 (US) (74) Representative: Mathys & Squire  32 London Bridge Street The Shard London SE1 9SG London SE1 9SG (GB)