Re: [Int-area] draft-learmonth-intarea-rfc1226-bis-00

Derek Fawcus <dfawcus+lists-int-area@employees.org> Tue, 02 June 2020 10:30 UTC

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Date: Tue, 2 Jun 2020 11:30:39 +0100
From: Derek Fawcus <dfawcus+lists-int-area@employees.org>
To: "Iain R. Learmonth" <irl@hambsd.org>
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Subject: Re: [Int-area] draft-learmonth-intarea-rfc1226-bis-00
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On Tue, Jun 02, 2020 at 11:18:56AM +0100, Iain R. Learmonth wrote:
> On 02/06/2020 10:13, Derek Fawcus wrote:
> > Given the general 'no encryption' rule for HAM transmissions, how about
> > making use of WESP (RFC 5840) when traversing an amateur RF link,
> > and ESP when going over other links with non-NULL encryption?
> 
> I did not know about WESP, thank you for pointing it out.
> 
> Do you know of any software that currently implements WESP?

That I have no idea about.  I happened to stumble upon it recently
while chasing down extension header parsing scenarios in the context
of IPv4.

> To maximize interoperability I'd like to only recommend the use of
> features that are currently available.

Though it looks like it may be possible to implement is as a BITW, with
the bumps themselves doing the heuristic guessing.  So the RF endpoints
could do the work, and drop anything which the heuristics can't match.
A bit nasty unless those endpoints are also tunneling.

DF