On 3/12/19 17:47, Mark Andrews wrote: > > >> On 4 Dec 2019, at 02:04, Fernando Gont <[email protected]> wrote: >> >> On 3/12/19 00:12, Mark Andrews wrote: >>> >>> >>>> On 3 Dec 2019, at 13:31, Valdis Klētnieks <[email protected]> wrote: >>>> >>>> On Mon, 02 Dec 2019 11:04:24 -0800, Fred Baker said: >>>> >>>>>> I believe that Dmitry's point is that we will still require IPv4 >>>>>> addresses for new >>>>>> organizations deploying dual-stack >>>>> >>>>> I think I understood what you meant, but not what you said. >>>> >>>>> If someone is dual stack, they are IPv6-capable and IPv4-capable. >>>> >>>> And they're going to need v4 addresses to be v4-capable, aren't there? >>>> >>>> A new corporation that's trying to spin up dual-stack is going to need 2 >>>> address allocations, a v4 and a v6. >>> >>> Why does a new organisation need to have any global IPv4 addresses of their >>> own >>> at all? In most cases they don’t. It’s only inertia that is causing >>> people to >>> want to have their own global IPv4 addresses. >>> >>> We have IPv4 as a service which gives on demand shared IPv4 addresses. >>> Millions >>> of people reach the IPv4 Internet every day using IPv4AAS. >>> CDNs are dual stack and provide the IPv4 presence on the net. These days >>> these >>> are shared addresses. >>> VPNs run over IPv6 and they can in turn run over IPv6 in IPv4 tunnels when >>> the remote doesn’t support native IPv6. Its just another level on >>> encapsulation. >>> Email is often out sourced so you don’t need your own IPv4 addresses for >>> that. >>> Then there is in the cloud for other services, again you don’t need your >>> own IPv4 >>> addresses. >> >> Wwll, yeah.. you don't need IPv4 addresses if you are going to be using >> somebody else's networks and services. Not that you should, though… > > Why not use someone else’s IPv4 addresses? Really. What is wrong with using > someone else’s IPv4 addresses if it achieves the need? As far as I can tell > nothing.
Security? Privacy? It may or may not be a concern for you. But there are implications in doing so. > Just because enterprises that established themselves in a IPv4-only world did > it one way. It doesn’t mean that enterprises establishing themselves in a > IPv4 / > IPv6 world need to follow that model. As long as you do analyze the implications and trade-offs... -- Fernando Gont SI6 Networks e-mail: [email protected] PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

