From: dave@davehigton.me.uk   
      
   In message <10j1bob$223dq$1@dont-email.me>   
             Lawrence D’Oliveiro  wrote:   
      
   > On Tue, 30 Dec 2025 20:00:52 GMT, David Higton wrote:   
   >   
   > > What I particularly like about IPv6 is that NAT/NAPT are simply not   
   > > necessary, and it's possible to have multiple servers on the same port   
   > > (e.g. multiple web servers on port 80/443) on one site, because you have   
   > > effectively unlimited internet-accessible addresses.   
   >   
   > What happens if/when you switch provider? Are you allowed to take your IPv6   
   > address block with you?   
      
   No.   
      
   > Because if not, you end up having to assign new addresses to everything on   
   > your LAN.   
      
   That's what DHCPv6 is for.   
      
   In terms of external DNS, most routers support dynamic DNS with several   
   protocols; but it's normally a very simple operation to update your   
   AAAA records manually.  Or even by a shell script, like I run on my   
   Ubuntu and RISC OS boxes, to automate it.  Most domestic users have   
   very few internet-facing IP addresses and therefore very few DNS entries   
   to update, so the task doesn't comsume much time.   
      
   David   
      
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