[Babel-users] Plans for incompatible changes

[Juliusz Chroboczek]

>> If I am building a network now that utilises source-specific routing,
>> how can I best prepare for a migration path?

> If you can just deploy the new version everywhere and reboot the
> network, that would be the best. The 1.9.0 branch (and all future
> versions) are not experimental and will support the new, *definitive*
> version of the source-specific extension.

There's no 1.9.0 branch yet, Matthieu.

> If you remove source-specific routes during migration, you will be able
> to deploy the new version progressively. Otherwise, you cannot deploy
> the new version progressively without the risk to have loops,

That's not quite true, 1.8.1 and later parse the mandatory bit and will
not cause loops when run against the new source-specific code.

-- Juliusz