[Lsr] IS-IS lite (an aside)..

Christian Hopps <chopps@chopps.org> Fri, 08 March 2019 12:22 UTC

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From: Christian Hopps <chopps@chopps.org>
To: lsr@ietf.org
Cc: Robert Raszuk <robert@raszuk.net>, Peter Psenak <ppsenak@cisco.com>, Tony Li <tony.li@tony.li>
Date: Fri, 08 Mar 2019 07:22:06 -0500
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Subject: [Lsr] IS-IS lite (an aside)..
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tony.li@tony.li writes:
>Robert Raszuk <robert@raszuk.net> writes:
>>
>> See TORs are one case .. but there are ideas to run dynamic protocols to the hosts too. I have heard there was even a volunteer to write ISIS-lite to be used on hosts :)
>
> I would…. discourage that concept.

Perhaps Robert is referring to when homenet was considering using IS-IS instead of a brand new protocol (babel) for use in the homenet. The proposed solution for very simple devices (e.g. thermostats or anything w/o much ram etc) was to use the overload bit. This wasn't just for hosts though, but for very small devices that could still serve as simple router for a network behind them.

    https://www.ietf.org/archive/id/draft-mrw-homenet-rtg-comparison-02.txt

Christian Franke coded up "tinyisis" in 1500 lines of C code. :)

    https://git-us.netdef.org/projects/OSR/repos/tinyisis/browse/tinyisis.c

Thanks,
Chris.