# The /3 Body Problem

DevFeed: [The /3 Body Problem](<https://devfeed.tech/articles/the-3-body-problem-11451.md>)

Original publisher: [Read original article](<https://labs.ripe.net/author/remco-van-mook/the-3-body-problem/>)

Author: Remco van Mook

Published: 2026-09-10T09:22:46Z

Content type: article

Language: en

Sources: [RIPE Labs](<https://devfeed.tech/sources/ripe-labs.md>)

Topics: [networking](<https://devfeed.tech/topics/networking.md>), [Internet](<https://devfeed.tech/topics/internet.md>), [Internet Engineering Task Force (IETF)](<https://devfeed.tech/topics/ietf.md>)

Tags: [article](<https://devfeed.tech/tags/article.md>), [ietf](<https://devfeed.tech/tags/ietf.md>), [internet](<https://devfeed.tech/tags/internet.md>), [ipv6](<https://devfeed.tech/tags/ipv6.md>), [networking](<https://devfeed.tech/tags/networking.md>), [policy](<https://devfeed.tech/tags/policy.md>), [space](<https://devfeed.tech/tags/space.md>)

## AI overview

The article examines how IPv6 addressing and policy mechanisms may need to evolve for space networking. It argues that terrestrial assumptions break down beyond low Earth orbit and calls for addressing policy questions now, including through the proposed EXPANSE working group.

## Source excerpt

A large chunk of IPv6 is heading for space, and every policy question about it is currently going to be deferred to the RIR communities. This article outlines what those questions look like, and argues why now is the time to start asking them.