Re: IPv6 end user addressing

[Owen DeLong <owen () delong com>]

On Aug 8, 2011, at 1:15 AM, Mohacsi Janos wrote:

> On Fri, 5 Aug 2011, Brian Mengel wrote:
>
> > In reviewing IPv6 end user allocation policies, I can find little
> > agreement on what prefix length is appropriate for residential end
> > users.  /64 and /56 seem to be the favorite candidates, with /56 being
> > slightly preferred.
> >
> > I am most curious as to why a /60 prefix is not considered when trying
> > to address this problem.  It provides 16 /64 subnetworks, which seems
> > like an adequate amount for an end user.
> >
> > Does anyone have opinions on the BCP for end user addressing in IPv6?
>
> For business customers I would give /48 and home users who might have 1-2 subnet I would give /56 or /60.
> Reasons:
> - Business customers night grow where you have to provide bigger amount of subnet - allow space for future extension -
>
> - Home users - they usually don't know what is subnet. Setting up different subnets in their SOHO router can be 
> difficult. Usually the simple 1 subnet for every device is enough for them. Separating some devices into  a separate 
> subnets is usually enough for the most sophisticated home users. If  not then he can opt for business service….

This utterly ignores the reality of DHCPv6, DHCP-PD, and technologies currently being developed for rational automatic 
hierarchies of topology.

Owen

Attachment: smime.p7s
Description: