Subj : q
To   : Torsten Bamberg
From : Michiel van der Vlist
Date : Wed Jan 10 2018 02:22 pm

Hello Torsten,

On Tuesday January 09 2018 18:54, you wrote to me:

TB> Of course you have to use different ports on the same network-adapter.

Ah, that's IPv4 think. ;-)

In the beginning every machine on the internet had its own global address. To
conserve address space, institutions started to share public addresses among
devices using NAPT. That practise is now standard in home networks. With the
coming of IPv6, there is no longer a scarcity in addresses and every interface
has, or at least can have, a public globally routable address again. Even
multiple adresses if needed.

NA(P)T is IPv4 think. With the coming of IPv6 we need to be "deprogrammed". We
must get rid of the IPv4 think and start thinking like the Internet pioeers
did.

I now have two incarnations of binkd running on the same machine, on the same
interface, each listening to ot own IPv6 address.

When you have IPv6, you can call 2:280/5556 at f5556.vlist.eu.

TB> If you use different network-adapters, it's also possible to use the
TB> same port. Depending on differnt network-adapters, you have different
TB> local ip-addresses. ;-)

Not much good with only one WAN IPv4 address...


Cheers, Michiel

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