NAT is like package delivery IRL. If you’re a server and send a package to a client without NAT, that’s like sending a delivery boy to deliver pizza, goes straight from source to destination.

But with NAT it’s like ordering a package online. It first will be delivered to a distribution center, and then a delivery warehouse in your area, and then the courier delivers packages to all people on his route.

It’s way more complex and you now have a whole bunch of points of failure.

[–] rumba@lemmy.zip 20 points 1 day ago (11 children)

That's a great analogy for carrier grade nat.

For regular nat it's like the pizza is able to get all the way to your house but then has no idea who to go to so somebody has to answer the door and then take the pizza from the door to the person who ordered it themselves.

And IPv6 is like the pizza delivery guy just walks right into the house up the steps into your bedroom and hands you the pizza directly.

The best part is they each have the same exact problems you'd have in real life.

[–] ulterno@programming.dev 6 points 22 hours ago (2 children)

Waiting for IPv8 when the delivery guy takes a slice and feeds it to me so I don't need to worry about greasy fingers.

[–] Threeme2189@sh.itjust.works 2 points 11 hours ago

The good ol' American ipV8 motor

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