Mon, Jun 12, 2017 at 06:29:30AM -0700, internet-drafts@xxxxxxxx: > Title : The Harmful Consequences of Postel's Maxim > https://tools.ietf.org/html/draft-thomson-postel-was-wrong-01 Perhaps instead of requiring two implementations for a protocol draft to proceed to rfc, it should first or also have a test suite that ... fails noisily in response to bad or undefined inputs. Having a community-developed test suite for any protocol would be a great asset.