>> From an operational point of view, operators should pay special attention to >> section 6 - Compatibility to the base protocol: Right. Of the 5 implementations of Babel, there are two that are actively deployed in production. Both have been updated to interoperate with 6126bis in late 2018, two years ago. We have done our best to ensure the updated versions have been deployed by now, and therefore that it is safe to deploy source-specific, but of course we cannot be sure. -- Juliusz -- last-call mailing list last-call@xxxxxxxx https://www.ietf.org/mailman/listinfo/last-call