Citerat fr�n Tony Hain <[EMAIL PROTECTED]>:

> > So the fact that someone uses filtering does not necessarily 
> > imply that they have a need for addresses that inherently 
> > have limited range.

> Technically they could (A) go to a border router and block the
> light-switch
> port, then figure out which address the front porch light had and allow
> it
> to pass, or (B) they could buy a box that filters a local range prefix,
> and
> a light switch that the ability to configure an additional prefix for
> global
> access. (A) requires them to know technical details whenever any new
> appliance/app comes out, and get an IPv6 address configured (without
> typo's)
> into a border device. (B) requires the light switch vendor to provide
> a
> configuration of limited-range by default, with a mechanism to add a
> global
> prefix when required.

You are assuming that there is only one boundary in that consumers house. I can 
assure you that the teenage daugther or son in that house will have a 
completely different opinion on who's got the right to access what light 
control in her or his room. Particularly if there is a brother or sister in the 
next room. 

How will you solve that kind of access control, one site local from another 
within the same site? Buy one filtering box for each room? 

You should not assume that there is an entity small enough to be called "site". 
There are many sites within a site, each with different access requirements. 
Some unique, some shared, and it varies over time.

For example, how will you solve the neighbours access to the controls while the 
family is on vacation. That is two sites that needs to be merged over the 
Internet for some duration of time. That neighbours master control point in an 
identical apartment must be able to turn on and off the exact same light 
switches in two different homes, both using site local addresses? But of 
course, the neighbour can't have access to all controls. The light in the safe 
is restricted. And the teenagers room...

Your filtering devices, it seems, needs to be able to do quite a lot more than 
just differentiate between "site" local and global addresses. 

Maybe that is only possible if all light switches are able to have global 
access and unique addresses? 
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