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   Good ${greeting_time}, Richard!   
      
   16 Jan 2022 11:35:42, you wrote to Tony Langdon:   
      
    TL>> There are arguments for more than a /64 for residential use. That   
    TL>> allows for different subnets with different security profiles, such   
    TL>> as for IoT, the car, whatever other network of smart devices you   
    TL>> want. For many, I suspect a /60 would be sufficient.   
    RM> Sure ... I agree. My reply was more from the ISP point of view.   
    RM> With 1 v6 subnet it is easy, you just announce the subnet.   
      
   No: when you need to provide the customer with IPv6, you assign one fixed   
   address for a link, and route a /64 subnet through that address.   
      
   Plastic routers (those sold for 20 EUR) deal with this setup just fine.   
      
    RM> If you allow more, you need a way to configure them. (eg. VLANs,   
    RM> different subnet on different LAN port, etc.)   
      
   Or simply route more /64 subnets through that address. Or /56 at once.   
      
    RM> That is added complexity for a low cost product, where most of your   
    RM> residential customers will have no clue what this is all about. So   
    RM> it makes more sense to offer that on higher tier (and more expensive)   
    RM> services.   
      
   That violates the KISS principle.   
      
      
   --   
   Alexey V. Vissarionov aka Gremlin from Kremlin   
   gremlin.ru!gremlin; +vii-cmiii-ccxxix-lxxix-xlii   
      
   ... that's why I really dislike fools.   
   --- /bin/vi   
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