* John Mann > --- > Even for users that *do have native IPv6 – Teredo will be used to > interact with IPv4-only peers*, or in cases where IPv6 connectivity > between peers is not functioning. In general, Xbox One will dynamically > assess and use the best available connectivity method (Native IPv6, > Teredo, and even IPv4). The implementation is similar in sprit to RFC > 6555 <http://tools.ietf.org/html/rfc6555>. > > For that reason, it is important for all interested network operators to > understand Teredo operating requirements. Xbox One *does not support > operating on an IPv6-only* network because of the need to reliably > interoperate with nodes on IPv4-only networks. > ---
Perhaps you can fill in some details here, Chris... Q1) Does the above requirement for IPv4 only apply for multiplayer/p2p? In other words: Will the XB1 be able to connect to an IPv6-only [W]LAN and allow the user to play single-player games while unlocking achievements, downloading software updates, streaming Netflix, etc.? Q2) If yes to Q1, will the presence of a NAT64+DNS64 style CGN allow Teredo to work and thus enable multiplayer/p2p with IPv4-only peers? Tore
