# Hello IPv6: a minimal tutorial for IPv4 users

<https://metebalci.com/blog/hello-ipv6/>

- Host: [metebalci.com](https://links.thingelstad.xyz/hosts/metebalci.com/)
- Saved: October 14, 2021 (2021-10-15T01:23:11Z)
- Record: https://links.thingelstad.xyz/links/285d2c07c439/
- JSON: https://links.thingelstad.xyz/links/285d2c07c439.json

## What Jamie wrote

This is a very good overview of the key differences in IPv6 versus IPv4. The main sections are:

> Here is an extremely short summary.
> 
> - IPv6 has a different Ethernet frame type.
> - IPv6 address is 128-bit with 64-bit (network) prefix and 64-bit interface id.
> - IPv6 does not use ARP but NDP.
> - IPv6 has no broadcast address concept; some multicast addresses play this function.
> - IPv6 addresses can be dynamically configured like DHCPv4 but also, and probably more often, they can be configured without keeping a state, using a combination of DHCPv6, RA, PD, and SLAAC.
> - NAT is not necessary for IPv6.
> - If needed, for privacy reasons, a random and temporary IPv6 address can be used.

The most obvious thing between the two is what the addresses look like, but the actual differences are much deeper.

## Facts

- Kind: [Page](https://links.thingelstad.xyz/kinds/page/)

## Appears in

- [WT199: Weekly Thing #199 / Revolutions, Dopamine, Reconsolidation](https://weekly.thingelstad.com/archive/199/), Notable

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## Elsewhere

- Wayback Machine: https://web.archive.org/web/*/https://metebalci.com/blog/hello-ipv6/