[PATCH 1/9] Adding configuration option --enable-sadr.

[Dean]

On 03/07/2017 09:23 PM, Toke Høiland-Jørgensen wrote:

> Basically, I want to do the opposite: We are going to have several
> (well, at least two) protocols that understand source-specific routing,
> so the nest data structures should work with both. And since Babel at
> least is perfectly happy to mix source-specific and regular routes (and
> will interoperate with an implementation that only supports the latter),
> the nest data structures and lookup functions shouldn't be hidden behind
> a configure switch (but the OSPF support might be I guess, unless you
> can make it run-time configurable without too much hassle).
>
>> 1. the fib_node structure having a couple more data fields. If a 
>> protocol
>> doesn't use them, this data won't hurt it, right?
> Some data structure overhead is probably fine.
>
>> 2. fib_get, fib_find, fib_route, net_get, and net_find functions might
>> do some more processing, but they should ultimately have the same
>> behavior.
> Yeah, the behaviour for non-source-specific routes should be unchanged,
> and it should do something sensible when both types of routes exist.
> Haven't gotten around to thinking seriously about how I'd implement
> source-specific routing for Babel in Bird yet, so you're kinda breaking
> new ground here; but happy to be a voice in the background at least
>
> -Toke

Oh, I see what you mean. Since Babel works better with SADR, the nest 
changes should be more focused on Babel, *then* OSPF should make use of 
them. Instead of the other way around.
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