Re: IPv6 Deployment for Mobile Subscribers

[Ca By <cb.list6 () gmail com>]

On Friday, July 22, 2016, Ricardo Ferreira <ricardofbferreira () gmail com>
wrote:

> Is there anyone here working in an ISP where IPv6 is deployed?
> We are starting to plan the roll-out IPv6 to mobile subscribers (phones) I
> am interesting in knowing the mask you use for the assignment; whether it
> is /64 or /128.
>
> In RFC 3177, it says:
> 3. Address Delegation Recommendations
>
>    The IESG and the IAB recommend the allocations for the boundary
>    between the public and the private topology to follow those general
>    rules:
>
>       -  /48 in the general case, except for very large subscribers.
>       -  /64 when it is known that one and only one subnet is needed by
>          design.
>       -  /128 when it is absolutely known that one and only one device
>          is connecting.
>
> Basically a sole device will be connecting to the internet so I am
> wondering if this rule is follwed.
>
> Cheers
Phones, as in 3gpp? If so, each phone alway gets a /64, there is no choice.

https://tools.ietf.org/html/rfc6459


> --
> Ricardo Ferreira