(19)

(11)

EP 3 991 368 A1

(12)

(43) Date of publication: 04.05.2022 Bulletin 2022/18 (21) Application number: 20812203.6 (22) Date of filing: 04.11.2020

(51) International Patent Classification (IPC):  H04L 12/751(2013.01) H04L 12/713(2013.01) H04L 12/709(2013.01) H04L 12/741(2013.01) (52) Cooperative Patent Classification (CPC): H04L 45/245; H04L 45/02; H04L 45/745; H04L 45/586 (86) International application number: PCT/US2020/058896 (87) International publication number: WO 2021/145939 (22.07.2021 Gazette 2021/29)

(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: 14.01.2020 US 202016742633 14.01.2020 US 202016742685 14.01.2020 US 202016742663 (71) Applicant: VMware, Inc. Palo Alto, CA 94304 (US)	(72) Inventors: JAIN, Jayant Palo Alto, CA 94304 (US) PARSA, Mike Palo Alto, CA 94304 (US) HONG, Xinhua Palo Alto, CA 94304 (US) MANUGURI, Subrahmanyam Palo Alto, CA 94304 (US) SENGUPTA, Anirban Saratoga, CA 95070 (US) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)