Hi, On 11/02/2021 13:00, nanog-requ...@nanog.org wrote: > Date: Wed, 10 Feb 2021 09:50:56 -0800 > From: Doug Barton <do...@dougbarton.us> >[...] On 2/10/21 5:56 AM, Ca By wrote> >> The 3 cellular networks in the usa, 100m subs each, use ipv6 to uniquely >> address customers. And in the case of ims (telephony on a celluar), it >> is ipv6-only, afaik. > So that answers the question of how to scale networks past what can be > done with 1918 space. Although why the phones would need to talk > directly to each other, I can't imagine.
- P2P applications? - (because I'm tethering,) enable customers to share a service to other people without relying to (many) external parties? (actually, that was the purpose of the Internet since the beginning if I'm right) - ... > I also reject the premise that any org, no matter how large, needs to > uniquely number every endpoint. When I was doing IPAM for a living, not > allowing the workstations in Tucson to talk to the printers in Singapore > was considered a feature. I even had one customer who wanted the > printers to all have the same (1918) IP address in every office because > they had a lot of sales people who traveled between offices who couldn't > handle reconfiguring every time they visited a new location. I thought > it was a little too precious personally, but the customer is always > right. :) Here comes the DNS imho if it was accepted by the customer. Same result, better management and flexibility... > Sure, it's easier to give every endpoint a unique address, but it is not > a requirement, and probably isn't even a good idea. Spend a little time > designing your network so that the things that need to talk to each > other can, and the things that don't have to, can't. I did a lot of > large multinational corporations using this type of design and never > even came close to exhausting 1918 space. Here comes your firewall rules and all your ACL ... easier with IPv6 imho -- Willy Manga @ongolaboy https://ongola.blogspot.com/
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