TZUTC: 1100   
   MSGID: 2161.fido-ipv6@3:633/410 264f7cb8   
   REPLY: 2:280/5555 61e7fa89   
   PID: Synchronet 3.17c-Linux  Nov  3 2019 GCC 4.6.3   
   TID: SBBSecho 3.10-Linux r3.146 Nov  3 2019 GCC 4.6.3   
   CHRS: ASCII 1   
   -=> On 01-19-22 12:36, Michiel van der Vlist wrote to Tony Langdon <=-   
      
    MvV> We also have to get rid of IPv4 think. On top of that list are:   
      
    MvV> 1) NAT is not a security feature.   
      
   True, and a packet filter defaulting to blocking incoming traffic (like a lot   
   of IPv6 routers do) has the same net effect, without the NAT ugliness.   
      
    MvV> 2) There is no shortage of addresses. Address space is no longer a   
    MvV> scarce commodity.   
      
   Good point.  Anyone got the figures for how many /56 prefixes are available?    
   All the estimates of abailable address space focus on single addresses, but   
   really, /64s should be considered in these analyses, because that's effectively   
   the smallest (convenient) LAN segment intended to be assigned.   
      
    MvV> With the mind still in IPv4 think mode, giving out a /56 to everyone   
    MvV> while the vast majority will get no further than using 1 or 2% of that   
    MvV> looks like a terrible waste.   
      
    MvV> Then consider that "waste" is only an issue if there is shortage. With   
    MvV> IPv6 there is no shortage of addreses. Thinking "waste" is IPv4 think.   
    MvV> We have to get rid of that.   
      
   That's why I'd like some more relevant figures, taking into account current   
   allocation practices (e.g. /56 per resifential customer, /64 minimum subnet   
   allocation).   
      
      
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