This document provides alternatives to Dynamic Host Configuration Protocol Version 6 (DHCPv6) failover, as no DHCPv6 failover implementation is presently available. The paper includes a Basic DHCPv6 operation overview as well as techniques such as: Two Servers - Split Address Space (and how to configure Cisco Network Registrar DHCPv6 servers), Two Servers - Interface-Identifier Addresses, Two Servers - Using Client Reservations, and more.