[manet] Re: BABEL question

Henning Rogge <[email protected]> Mon, 21 Jul 2025 08:44:10 +0200
Newsgroups gmane.ietf.manet
Message-ID <CAGnRvuoP9UySbtxh4QuRSj3x7WYyqBiX7C6_ooUHhM8A6JFQkQ@mail.gmail.com>
> > > I think that is the only alternative for disconnected BABEL clouds that
> > > have not recently been in contact with an Internet gateway that
> > > advertises a non-LL prefix - or is there some other IPv6 prefix that can
> > > be used in the disconnected case?
> >
> > fc00::/7
>
> ULAs in their standard form are topology-oriented addresses; nodes in isolated
> MANETs that may partition and/or overlap with other MANETs require some
> form of topology-independent address:

Not really, as long as you don't route the whole prefix into the
interface. Babel (and most other adhoc routing protocols) will happily
provide all the host routes going into the interface, allowing
partitioning the network without issues.

Henning Rogge

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