Re: [Json] Proposed minimal change for duplicate names in objects
Pete Resnick <presnick@qti.qualcomm.com> Wed, 03 July 2013 19:49 UTC
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Date: Wed, 03 Jul 2013 14:48:51 -0500
From: Pete Resnick <presnick@qti.qualcomm.com>
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To: Eliot Lear <lear@cisco.com>
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Cc: Nico Williams <nico@cryptonector.com>, Paul Hoffman <paul.hoffman@vpnc.org>, "json@ietf.org WG" <json@ietf.org>
Subject: Re: [Json] Proposed minimal change for duplicate names in objects
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Speaking strictly as a participant, and just to give guidance, not insist on an outcome. On 7/3/13 1:35 AM, Eliot Lear wrote: > Nico, > >> In short, for streaming parsers (and generators) there's nothing we can do. >> >> What we can do is RECOMMEND that a) generators not produce duplicates >> (and explain how streaming ones cannot prevent dups), and b) that >> parsers use the last name (and explain how streaming ones will produce >> all dups). >> > To me this isn't strong enough. I have some sympathy for both the > existing base and for parsers, but generators as an architectural > component should generate unambiguous output, streaming or otherwise. > Let's remember the meaning of these capitalized words in IETF parlance. We use them "where it is actually required for interoperation or to limit behavior which has potential for causing harm." So a MUST would mean that not doing so would prevent interoperation or cause harm. RECOMMENDED (like SHOULD) would also mean that not doing so would prevent interoperation or cause harm, but "that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications must be understood and carefully weighed before choosing a different course." In this instance, saying that generators SHOULD not produce duplicates is to say that if you do produce them, you might not interoperate or you might cause harm to some parsers, but there might be valid reasons (i.e., because your storage or compute footprint is too small to retain state) to produce duplicates. And documenting that there may be reasons that generators will produce duplicates (and explicitly stating those reasons) certainly puts parsers on notice that they will need to deal with it. Giving parsers some guidance on what to do in that case is all the better. So I don't think saying RECOMMENDED or SHOULD regarding not producing duplicates should be seen as a non-starter. That's a defensible position for the WG to take. pr -- Pete Resnick<http://www.qualcomm.com/~presnick/> Qualcomm Technologies, Inc. - +1 (858)651-4478
- [Json] Proposed minimal change for duplicate name… Paul Hoffman
- Re: [Json] Proposed minimal change for duplicate … Vinny A
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Stefan Drees
- Re: [Json] Proposed minimal change for duplicate … Eliot Lear
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Eliot Lear
- Re: [Json] Proposed minimal change for duplicate … Stefan Drees
- Re: [Json] Proposed minimal change for duplicate … Markus Lanthaler
- Re: [Json] Proposed minimal change for duplicate … Paul Hoffman
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Eliot Lear
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Paul Hoffman
- Re: [Json] Proposed minimal change for duplicate … Bjoern Hoehrmann
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … Pete Resnick
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Eliot Lear
- Re: [Json] Proposed minimal change for duplicate … Tim Bray
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Tim Bray
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Stefan Drees
- Re: [Json] Proposed minimal change for duplicate … Matthew Morley
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Jorge
- Re: [Json] Proposed minimal change for duplicate … Bjoern Hoehrmann
- Re: [Json] Proposed minimal change for duplicate … Jim Schaad
- Re: [Json] Proposed minimal change for duplicate … Jim Schaad
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Tim Bray
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … Tim Bray
- Re: [Json] Proposed minimal change for duplicate … Jim Schaad
- [Json] Duplicate names: are they erroneous or not? John Cowan
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Proposed minimal change for duplicate … Nico Williams
- Re: [Json] Duplicate names: are they erroneous or… Stefan Drees
- Re: [Json] Duplicate names: are they erroneous or… Bjoern Hoehrmann
- Re: [Json] Proposed minimal change for duplicate … Bjoern Hoehrmann
- Re: [Json] Proposed minimal change for duplicate … Carsten Bormann
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … Stephan Beal
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Carsten Bormann
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Bjoern Hoehrmann
- Re: [Json] Proposed minimal change for duplicate … Carsten Bormann
- Re: [Json] Proposed minimal change for duplicate … Joe Hildebrand (jhildebr)
- Re: [Json] Proposed minimal change for duplicate … Vinny A
- Re: [Json] Proposed minimal change for duplicate … Eliot Lear
- Re: [Json] Proposed minimal change for duplicate … Markus Lanthaler
- Re: [Json] Proposed minimal change for duplicate … Stephan Beal
- Re: [Json] Proposed minimal change for duplicate … Eliot Lear
- Re: [Json] Proposed minimal change for duplicate … John Cowan
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … Tatu Saloranta
- Re: [Json] Proposed minimal change for duplicate … John Cowan