On 12/05/2014 19:40, Nikos Mavrogiannopoulos wrote: > On Sun, May 11, 2014 at 10:23 PM, Brian E Carpenter > <brian.e.carpenter@xxxxxxxxx> wrote: >> Nikos, >>>> I like to think of somebody else: a young programmer working far, >>>> far away, who will probably never attend an IETF meeting or join >>>> an IETF mailing list. For this person, we need to state things that >>>> are obvious to us. For example: >>>> "It is not sufficient to do an initial implementation of the protocol. >>>> Maintenance is needed to apply changes as the come out in the future, >>>> especially to fix security issues that are found after the initial >>>> publication of a protocol specification." >>> This document doesn't fill this purpose as it is written as a what-to-do >>> document rather than a document with advice to implementers. If somebody >>> has specific expectations from implementers then that should be >>> reflected in a contract with them. >> That's a straw man. You know very well that (precisely because IETF >> standards are voluntary) there will never be such a contract between >> the IETF and the implementer. > > I believe that's to the point of the document. Unless there is a > contract between IETF and the implementer, such documents should be > published as advisory to the implementer rather than listing > expectations from the implementer. That's at minimum a matter of > courtesy to implementers. > >>> If on the other hand this is written in purpose to introduce >>> IETF-certified or IETF-approved implementations it must be even more >>> precise than this document. As it is, it doesn't fill any obvious >>> purpose. >> The document is aspirational, not contractual. It seems perfectly reasonable >> to ask implementers (whether a profit-making company, an open-source >> community, or an individual) to accept ongoing responsibility for their >> code. Isn't that exactly what GnuTLS does, for example? > > The only expectations from an implementation are the ones you see in > written in the contract you have with the implementer. If you don't > have one, then you check the license of the implementation. On gnutls > that you refer to, if you got without any contract, you see: 'BECAUSE > THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY Of course. Most open source code comes with such a disclaimer, and so do RFCs. (It's an indirect reference now, but for years all RFCs contained text starting "This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES..."). We're not talking about legalities though. We're talking about voluntary behavior. Brian