When IPv6 is deployed by a Service Provider to bring on an IPv6 Enterprise， which transition strategyworks the best？（）

• A、Deploy IPv6 at the Edges and tunnel Enterprise through the core
• B、Deploy IPv6 at Edges and Core at the same time for smooth transition
• C、Deploy IPv6 at the core first and then move to Edges toward the end customer
• D、None of the above will work