Re: What was the Chameleon disaster?

Juliusz Chroboczek <[email protected]>
Newsgroups gmane.ietf.manet
Message-ID <[email protected]>
>>> which usually does, and should, mean real use cases

>> Ok, I'll bite.

>> What are the use cases for a hybrid protocol that are not satisfactorily
>> met by existing protocols?

> Answering that question would be step one.

Agreed.

> In that hypothetical spirit, let’s suppose most users are happy with
> a proactive protocol. But there are a few who, due to need for
> covertness, or limited battery life or whatever don’t want to join
> in. But occasionally they might have a need to communicate. So are
> prepared to reactively establish a connection.

At that point, they announce a host route to self, and point default at
a neighbour that announces a default route.

  https://www.rfc-editor.org/rfc/rfc8966.html#name-stub-implementations
  https://github.com/jech/sbabeld

> Or maybe they are prepared to accept such a connection.

In this case, you need a protocol extension that requests a node to
announce a route to self.  It should not be too onerous to define, but I'd
like to convince myself there's an actual need.

A use case for a true hybrid protocol would be somewhat more difficult to
construct, it would probably involve a node that doesn't need continuous
connectivity but at the same time can occasionally serve for transit.

We, at Babel Towers, are of course always interested to hear about novel
use-cases for routing protocols.

-- Juliusz

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