Subj : IPv6 and privacy
To   : Markus Reschke
From : Michiel van der Vlist
Date : Sun Jan 11 2015 15:21:34

Hello Markus,

On Sunday January 11 2015 12:13, you wrote to me:

 MR> You're lucky, it's a very bad idea. Prefix coloring uses some bits of
 MR> the prefix to categorize services, e.g. web, VoIP and video-on-demand.
 MR> The customer gets a dedicated prefix for each service. In the case of
 MR> three services he'll get three prefixes. That design would make
 MR> filtering and QoS in the provider's routers more easy,

It would also make it easier for them to create wormholes to bypass any legally imposed net neutrality.  :-(

 MR> if supported. But the customer's devices have to select the right
 MR> prefix, i.e. the VoIP telephone has to select the VoIP prefix, the PC
 MR> the web prefix and so on. If you got a softphone on your PC the OS has
 MR> to select the VoIP prefix for the softphone and the web prefix for the
 MR> web browser. Do you see the problems?

I can see several. For starters: what prefix do I use for binkp?

I too think this is a bad idea. An IP address should point to an interface, not to a service. It is mixing layers.


Cheers, Michiel

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