Huawei Technologies Futurewei Huawei Technologies China Mobile Verizon Inc. This draft defines the procedures and messages for using Bit Index Explicit Replication (BIER) for Multicast VPN Services in IPv6 networks using the BIER IPv6 encapsulation. It provides a migration path for Multicast VPN service using BIER MPLS encapsulation in MPLS networks to multicast VPN service using BIER IPv6 encapsulation (BIERv6) in IPv6 networks.