[ih] History question -- multi-homing

[vinton cerf]

It would be an interesting exercise to posit a different identification
scheme that would scale and also permit multi-homing. Has someone already
worked that out? Would it require a flat ID space?

v


On Fri, Sep 11, 2026 at 10:59 PM Joe Touch via Internet-history <
internet-history at elists.isoc.org> wrote:

> On Sep 11, 2026, at 2:24 PM, Brian E Carpenter via Internet-history <
> internet-history at elists.isoc.org> wrote:
> >>
> >> Destinations are not the issue, sources are.
> >> If a device has two sources, they’re either ships in the night or need
> to be connected to a router to decide which path to use on the way out.
> >> Multiple sources applies whether using two interfaces or a single one
> with multiple addresses.
> >
> > Very true, and not in the least a historical problem. IPv6 has made this
> problem much worse.
> >
> >   Brian
>
> It is IMO a historical conceptual rut we have been stuck in, and agreed
> that IPv6 deepened the rut.
>
> Joe
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