Techniques are described herein for providing an Internet Group Management Protocol (IGMP) general query via an Ethernet Virtual Private Network (EVPN) router irrespective of the IGMP querier role in order to prevent multicast service outage. This may provide an all-active multi-home deployment to minimize service impact in case of network failure. Procedures defined herein achieve this for multicast traffic.
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Mishra, Mankamana; Sajassi, Ali; Rocheleau, Al; and Thoria, Samir, "INTERNET GROUP MANAGEMENT PROTOCOL GENERAL QUERY MECHANISM EXTENSION TO SUPPORT MASS WITHDRAW CASE WITH ETHERNET VIRTUAL PRIVATE NETWORK ALL-ACTIVE MULTI-HOMING", Technical Disclosure Commons, (October 03, 2018)