Re: IPv6 and CDN's

[Owen DeLong via NANOG <nanog () nanog org>]

> On Nov 28, 2021, at 08:55 , Mark Tinka <mark@tinka.africa> wrote:
>
>
>
> On 11/28/21 16:20, Jean St-Laurent via NANOG wrote:
>
> > I like to put some servers behind that scheme.
> >  
> > 2601::443:xxxx for https servers
> > 2601::25:xxxx for MTA servers.
> > 2601::993:xxxx for IMAP
> >  
> > It gives a quick note of what is that ip even though it’s ipv6 and usually non-human readable. 
> >  
> > Not sure what kind of scheme is use by medium/big ISP. 
> >  
> > Do you go by zip code of the area covered or some kind of logical to help people know what is behind that ipv6 
> > network?
>
> We really aren't clever with IPv6 address design and assignment. The most we do is assign:
>
>     - 1x /48 to Loopbacks for all routers.
>     - /48's per PoP for infrastructure links.
>     - /48's per city for /56 assignments to customers.
>     - /48's per city for assignments to customers. 

Why are you so stingy with customer assignments?

Why not properly assign /48s to customers and /40s to cities?

Owen