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[rpd] IPv6 numbers and names

Willy MANGA mangawilly at
Wed Nov 28 21:22:05 UTC 2018

Hi Lee,

Le 28/11/2018 à 21:32, Lee Howard a écrit :
> On 11/28/18 3:19 PM, Willy MANGA wrote:
>> Hi Jordi,
>> Le 28/11/2018 à 20:49, JORDI PALET MARTINEZ a écrit :
>>> Hi Willy,
>>> [...]
>>>      Again don't forget you have DNS on top of numbers. Even for the
>>>      management of network itself. It should be very helpful here.
>>>           Of course I do not take into account all possible use cases.
>>>   This will be in an ideal world, everybody using DNS for everything
>>> ... tell all the app and web developers, not all them follow the good
>>> practices ...
>> I bet that this is one of the BIGGEST IPv6 excuse around me at least.
>> Many people relies on numbers instead of Fully Qualified Domain Names
>> :) .
>> I think it will be better to explain now to layer 7 team to adopt DNS :
>> scalabilty, resilience,...
> Of course I agree with you that DNS and dynamic DNS make life easier.
> But I want to point out that there are lots of ways to make key IPv6
> addresses easier to remember. Once you're familiar with your address
> block, remembering 2001:db8:: is surely no harder than remembering
> 192.0.2.  If infrastructure equipment is numbered from an early block,
> like 2001:db8:1::/48, then you just remember locations or individual
> hosts. Maybe your Bigcity region is #5 and name servers are always ::53
> so it's easy to remember:
>     2001:db8:1:5::53
>      <my prefix> <infrastructure> <region> ... <host ID>
> Lots of tricks like that make life easier for people who insist numbers
> are easier to type or remember than names. But nothing beats a good IPAM
> synchronized with DNS and DHCP.

I do not want to reach this step because that's why I said it was an
IPv6 excuse  !

Even me with my prefix : 2001:4268:1a1::/48 . Even if I really want to
manage my resources without thinking of DNS, it would have been ...
'easy' . But I always rely on names.

Willy Manga

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