[PATCH] Add the Babel routing protocol to Bird

[Ondrej Zajicek]

On Mon, Sep 07, 2015 at 11:10:34PM +0200, Toke Høiland-Jørgensen wrote:
> This adds the Babel routing protocol (RFC6126) to Bird. It is a complete
> implementation of the IPv6 subset of RFC6126, but does not implement any
> of the extensions.

Thanks, i will review the patch ASAP.

> Compared to the RFC patch posted earlier, this patch implements several
> more SHOULD parts of the protocol, has updated interactions with the
> Bird core, and uses fewer timers and resource pools. In addition,
> several other tweaks and fixes have been made following interoperability
> testing with the official babeld.
> 
> The implementation of the protocol is now, to the best of my knowledge,
> complete. The only exception is the propagation of IPv4 routes which has
> deliberately been left out due to Bird's lack of support for a
> dual-stack operation mode. Juliusz Chroboczek, the author of the Babel
> spec, has expressed a preference to not have an IPv4-only implementation
> of Babel, so as to avoid fragmenting the community. I have followed that
> preference, and so this implementation ignores IPv4 route TLVs entirely.
> 
> As far as interactions with Bird core is concerned, the main thing
> missing is the reconfiguration support; I still haven't decided exactly
> what is the right thing to do here. But probably some variant of the
> OSPF protocol's logic is needed. And of course documentation of the
> configuration options.

Yes, OSPF-style reconfiguration is a proper way to go.

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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