[ippm] Re: [bmwg] Re: Joint BMWG/IPPM chartering - imp lementation policy
Tim Chown <Tim.Chown=40jisc.ac.uk-Tr9gZwTxerDR74oF6e/[email protected]> Thu, 14 May 2026 09:02:04 +0000
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Arial, Helvetica, sans-se= rif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-se= rif; font-size: 12pt; color: rgb(0, 0, 0);"> You should give this feedback to the procon draft.</div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-se= rif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <p style=3D"direction: ltr; margin-top: 0px; margin-bottom: 0px;"><span sty= le=3D"font-family: Aptos, Arial, Helvetica, sans-serif; font-size: 12pt; co= lor: rgb(0, 0, 0);">The ippm/bmwg chairs can still point to "</span><s= pan style=3D"font-size: 16px; color: rgb(14, 40, 65);">such experience is highly desirable</span><span style=3D"color: rgb(14, 40, 65)= ;">=A1=B1</span><span style=3D"font-size: 16px; color: rgb(14, 40, 65);">.<= /span></p> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-se= rif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-se= rif; font-size: 12pt; color: rgb(0, 0, 0);"> Tim</div> <div style=3D"direction: ltr; font-family: Aptos, Arial, Helvetica, sans-se= rif; font-size: 12pt; color: rgb(0, 0, 0);"> <br> </div> <div id=3D"mail-editor-reference-message-container"> <div class=3D"ms-outlook-mobile-reference-message skipProofing"> <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> </div> <div class=3D"ms-outlook-mobile-reference-message skipProofing">On 14/05/20= 26, 08:29, "Thomas.Graf-Zc0CTiu5wcBWk0Htik3J/[email protected]" <Thomas.Graf-Zc0CTiu5wcDQFizaE/[email protected]= m> wrote:</div> <div class=3D"ms-outlook-mobile-reference-message skipProofing"><br> </div> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">Dear Tim,</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">Thanks. I think this is a fair po= int.</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">However, personally, I think the = paragraph is to wordy and ambiguous at the moment to bring any added value for the IETF</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: blue;"><a href=3D"https://datatracker.ietf.org/doc/= html/draft-ietf-procon-2026bis-07#section-6.1.1" data-outlook-id=3D"25debbb= 2-fa7c-46b8-bf7f-a5a713064061" style=3D"color: blue; margin-top: 0px; margi= n-bottom: 0px;"><u>https://datatracker.ietf.org/doc/html/draft-ietf-procon-= 2026bis-07#section-6.1.1</u></a></span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">Usually, neither implementation n= or operational experience is required for the designation of a specification as a Proposed Standard. However, such experience is hig= hly desirable and will usually represent a strong argument in favor of a Pr= oposed Standard designation.</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">The first "usually" in = the first sentence already says that it is not up to the IETF in general to define wherever an implementation is required or not. Then t= he second "usually" in the second sentence is ambiguous again. It= implies that implementation is not always an argument for Proposed Standar= d designation. Here I strongly disagree. An implementation is always, without exception, an argument for Proposed Stan= dard designation in my opinion. It shows that the specification can be impl= emented. I can't come up with any scenario where this would not be the case= . Maybe I am missing something.</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">Best wishes</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);">Thomas</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: "Trebuchet MS", sans-serif; = font-size: 10pt; color: rgb(14, 40, 65);"> </span></p> <div style=3D"padding: 3pt 0in 0in; border-width: 1pt medium medium; border= -style: solid none none; border-color: rgb(225, 225, 225) currentcolor curr= entcolor;"> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Calibri, sans-serif; font-size: 11pt;"= ><b>From:</b> Tim Chown <[email protected]> <br> <b>Sent:</b> Wednesday, May 13, 2026 2:55 PM<br> <b>To:</b> Qin Wu <bill.wu=3D40huawei.com-Tr9gZwTxerDR74oF6e/[email protected]>; Alex = Huang Feng <[email protected]>; Graf Thomas, SCS-INI-NET-V= NC-E2E <Thomas.Graf-Zc0CTiu5wcBWk0Htik3J/[email protected]><br> <b>Cc:</b> [email protected]; [email protected]; [email protected]; ippm-ch= [email protected]<br> <b>Subject:</b> Re: [ippm] Re: [bmwg] Re: Joint BMWG/IPPM chartering -= implementation policy</span></p> </div> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"> </p> <table class=3D"MsoNormalTable" align=3D"left" cellspacing=3D"0" cellpaddin= g=3D"0" border=3D"0" style=3D"width: 100%;"> <tbody> <tr> <td class=3D"MsoNormalTable" style=3D"background-color: rgb(207, 74, 12); p= adding: 5pt 2pt;"> </td> <td class=3D"MsoNormalTable" style=3D"background-color: rgb(255, 248, 229);= padding: 5pt 4pt 5pt 12pt; width: 100%;"> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"color: rgb(34, 34, 34);"><b>Be aware:</b> This= is an external email.</span></p> </td> </tr> </tbody> </table> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">Can = we generally just point to the standards process documents for what is requ= ired for, say, Proposed Standard, and thus for a draft to advance to a successful WG and IETF last call?</span><= /p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">&nbs= p;</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">Sect= ion 6.1.1 here:</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: blue;"><a hr= ef=3D"https://datatracker.ietf.org/doc/draft-ietf-procon-2026bis/" data-out= look-id=3D"a571e6fc-2e81-4ea8-a3df-b4b13dcb2296" style=3D"color: blue; marg= in-top: 0px; margin-bottom: 0px;"><u>https://datatracker.ietf.org/doc/draft= -ietf-procon-2026bis/</u></a></span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">&nbs= p;</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">Do w= e need this in the charter when our processes have expectations?</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">&nbs= p;</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">Tim<= /span></p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"><span style=3D"font-family: Aptos, sans-serif; color: black;">&nbs= p;</span></p> <div id=3D"mail-editor-reference-message-container"> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;">On 13/05/2026, 00:57, "Qin Wu" <<span style=3D"color:= blue;"><a href=3D"mailto:bill.wu=3D40huawei.com-Tr9gZwTxerDR74oF6e/[email protected]" data-outlo= ok-id=3D"b0caddd4-f638-40c8-8bf2-ef2cc2b6596a" style=3D"color: blue; margin= -top: 0px; margin-bottom: 0px;"><u>bill.wu=3D40huawei.com-Tr9gZwTxerDR74oF6e/[email protected]</u= ></a></span>> wrote:</p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;">Alex:</p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;">Regarding option 1, you might see this option from different angle= , e.g., chair perspective, if option 1 should be respected, chairs ca= n decide which document can be progressed with higher priority.</p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;">Whatever option we choose, WG might consider to use wiki page to k= eep track of implementation status.</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in; font-family: SimSun; font-size= : 12pt;">-Qin</p> <div style=3D"padding: 3pt 0in 0in; border-width: 1pt medium medium; border= -style: solid none none; border-color: currentcolor;"> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Microsoft YaHei", sans-serif; font-s= ize: 11pt;"><b>=B7=A2=BC=FE=C8=CB:</b> Alex Huang Feng [</span><span s= tyle=3D"font-family: "Microsoft YaHei", sans-serif; font-size: 11= pt; color: blue;"><a href=3D"mailto:[email protected]" data-outl= ook-id=3D"03d33333-a425-4640-be07-2073795ea6e2" style=3D"color: blue; margi= n-top: 0px; margin-bottom: 0px;"><u>mailto:[email protected]</u>= </a></span><span style=3D"font-family: "Microsoft YaHei", sans-se= rif; font-size: 11pt;">]<br> <b>=B7=A2=CB=CD=CA=B1=BC=E4:</b> 2026=C4=EA5=D4=C210=C8=D5 17:13<= br> <b>=CA=D5=BC=FE=C8=CB:</b> </span><span style=3D"font-family: "Mi= crosoft YaHei", sans-serif; font-size: 11pt; color: blue;"><a href=3D"= mailto:Thomas.Graf-Zc0CTiu5wcBWk0Htik3J/[email protected]" data-outlook-id=3D"5b29e9cd-5f55-40c5-b5a5= -3fc9d53ac4b3" style=3D"color: blue; margin-top: 0px; margin-bottom: 0px;">= <u>Thomas.Graf-Zc0CTiu5wcBWk0Htik3J/[email protected]</u></a></span><span style=3D"font-family: "= ;Microsoft YaHei", sans-serif; font-size: 11pt;"><br> <b>=B3=AD=CB=CD:</b> </span><span style=3D"font-family: "Microsof= t YaHei", sans-serif; font-size: 11pt; color: blue;"><a href=3D"mailto= :[email protected]" data-outlook-id=3D"54bcf329-c4ae-440c-9a31-15c908586046" st= yle=3D"color: blue; margin-top: 0px; margin-bottom: 0px;"><u>[email protected]<= /u></a></span><span style=3D"font-family: "Microsoft YaHei", sans= -serif; font-size: 11pt;">; </span><span style=3D"font-family: "Microsoft YaHei", sans-serif;= font-size: 11pt; color: blue;"><a href=3D"mailto:[email protected]" data-outlo= ok-id=3D"60147ef3-783b-4616-bee0-6badd98c362a" style=3D"color: blue; margin= -top: 0px; margin-bottom: 0px;"><u>[email protected]</u></a></span><span style= =3D"font-family: "Microsoft YaHei", sans-serif; font-size: 11pt;"= >; </span><span style=3D"font-family: "Microsoft YaHei", sans-serif;= font-size: 11pt; color: blue;"><a href=3D"mailto:[email protected]" dat= a-outlook-id=3D"f7457466-a5c6-4511-a73d-2bb2f58b07b4" style=3D"color: blue;= margin-top: 0px; margin-bottom: 0px;"><u>[email protected]</u></a></spa= n><span style=3D"font-family: "Microsoft YaHei", sans-serif; font= -size: 11pt;">; </span><span style=3D"font-family: "Microsoft YaHei", sans-serif;= font-size: 11pt; color: blue;"><a href=3D"mailto:[email protected]" dat= a-outlook-id=3D"609c55aa-60bd-4fea-81fe-ca7a2cff6cd8" style=3D"color: blue;= margin-top: 0px; margin-bottom: 0px;"><u>[email protected]</u></a></spa= n><span style=3D"font-family: "Microsoft YaHei", sans-serif; font= -size: 11pt;"><br> <b>=D6=F7=CC=E2:</b> [bmwg] Re: [ippm] Joint BMWG/IPPM chartering - im= plementation policy</span></p> </div> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> Dear BMWG and IPPM,</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> I think this proposal is very valuable, notably in OPS, where this implemen= tation policy does not seem to be widely adopted.</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> Between the options, I like option 2 or 3.</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> The reason I don=A1=AFt like option 1 is because it can see by the communit= y that an implementation is still *optional* and could lead to not changing= anything at the end.</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> (It seems like the =A1=B0SHOULD=A1=B1 in YANG, where, from the spec, y= ou know you should do it, but nothing stops an implementor to just disregar= d it)</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> I think I would start with option 2, and see whether the documents progress= enough with an implementation. Applying a new policy requiring 2 independe= nt implementations could lead to have too many documents failing to progres= s beyond the WG stage.</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> And I support the idea of having exceptions. However, as the text below men= tion, they should be justified either in the document or in its write-up.</= p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> Regards,</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> Alex</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 12pt 21pt; font-family: Sim= Sun; font-size: 12pt;"> </p> <blockquote style=3D"margin-top: 5pt; margin-bottom: 5pt;"> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> On 7 May 2026, at 10:13, <span style=3D"color: blue;"><a href=3D"mailto:Tho= mas.Graf-Zc0CTiu5wcBWk0Htik3J/[email protected]" data-outlook-id=3D"0c7e00ed-8e6f-4a25-a067-5c3b8408c= de7" style=3D"color: blue; margin-top: 0px; margin-bottom: 0px;"><u>Thomas.= Graf-Zc0CTiu5wcBWk0Htik3J/[email protected]</u></a></span> wrote:</p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">Dear BMWG and IPPM,</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">We have with </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt; color: rgb(70, 120, 134);"><a href=3D"https://github.com/iet= f-ippm/wg-charter/issues/4" data-outlook-id=3D"9230249f-67e9-4d92-aa9b-afe6= 85321987" style=3D"color: rgb(70, 120, 134); margin-top: 0px; margin-bottom= : 0px;"><u>https://github.com/ietf-ippm/wg-charter/issues/4</u></a></span><= span style=3D"font-family: "Trebuchet MS", sans-serif; font-size:= 10pt;"> a suggestion from Med to consider adding an implementation policy in the joi= n charter proposal.</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">We chairs have been thinking how this could be addressed best in t= he charter and came up with the 3 proposals:</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"text-indent: -0.25in; margin: 0in 0in 0in 5= 7pt; font-family: SimSun; font-size: 12pt;"> <span style=3D"font-family: Aptos, sans-serif;">1.</span><span style=3D"fon= t-family: "Times New Roman", serif; font-size: 7pt;"> = </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt;">The WG <u>prioritizes</u> documents with implementations.</span></p> <p class=3D"MsoNormal" style=3D"text-indent: -0.25in; margin: 0in 0in 0in 5= 7pt; font-family: SimSun; font-size: 12pt;"> <span style=3D"font-family: Aptos, sans-serif;">2.</span><span style=3D"fon= t-family: "Times New Roman", serif; font-size: 7pt;"> = </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt;">The WG <u>requires an</u> implementation for standard track documents. In som= e cases exceptions can be applied. Whenever such an exception applies, the = exception justification must be included in the specification document or i= ts write-up.</span></p> <p class=3D"MsoNormal" style=3D"text-indent: -0.25in; margin: 0in 0in 0in 5= 7pt; font-family: SimSun; font-size: 12pt;"> <span style=3D"font-family: Aptos, sans-serif;">3.</span><span style=3D"fon= t-family: "Times New Roman", serif; font-size: 7pt;"> = </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt;">The WG <u>requires two</u> implementations for standard track documents. In s= ome cases exceptions can be applied. Whenever such an exception applies, th= e exception justification must be included in the specification document or= its write-up.</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">The main differences between the choices are underlined.</span></p= > <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">We would like to have feedback from both working groups on</span><= /p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"text-indent: -0.25in; margin: 0in 0in 0in 5= 7pt; font-family: SimSun; font-size: 12pt;"> <span style=3D"font-family: Symbol; font-size: 10pt;">=A1=A4</span><span st= yle=3D"font-family: "Times New Roman", serif; font-size: 7pt;">&n= bsp; </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt;">wherever an implementation policy should be added or not</s= pan></p> <p class=3D"MsoNormal" style=3D"text-indent: -0.25in; margin: 0in 0in 0in 5= 7pt; font-family: SimSun; font-size: 12pt;"> <span style=3D"font-family: Symbol; font-size: 10pt;">=A1=A4</span><span st= yle=3D"font-family: "Times New Roman", serif; font-size: 7pt;">&n= bsp; </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt;">wherever those choices make sense or not</span></p> <p class=3D"MsoNormal" style=3D"text-indent: -0.25in; margin: 0in 0in 0in 5= 7pt; font-family: SimSun; font-size: 12pt;"> <span style=3D"font-family: Symbol; font-size: 10pt;">=A1=A4</span><span st= yle=3D"font-family: "Times New Roman", serif; font-size: 7pt;">&n= bsp; </span><span style=3D"font-family: "Trebuchet MS", sans-serif; fo= nt-size: 10pt;">which would be the preferred choice and why</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt; color: rgb(70, 120, 134);"><a href=3D"https://datatracker.ietf.org/= doc/html/rfc7942" data-outlook-id=3D"8d8a81d3-1e3d-461d-ba75-50c2ce10b60d" = style=3D"color: rgb(70, 120, 134); margin-top: 0px; margin-bottom: 0px;"><u= >https://datatracker.ietf.org/doc/html/rfc7942</u></a></span><span style=3D= "font-family: "Trebuchet MS", sans-serif; font-size: 10pt;"> = ;is a good quick read in regards to implementations and implementation status = section. Rough consensus and running code is part of the IETF DNA. Personal= ly we think it is helpful for the authors if the working group states what = is expected in terms of implementations. There are good reasons for having implementations such as raising quality = of the document and ensure interoperability. But there are also reasons to = progress quickly. For instance in case where there is only a small document= update or a security fix.</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">Best wishes</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;">Marcus, Giuseppe, Sarah and Thomas</span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: "Trebuchet MS", sans-serif; font-size= : 10pt;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: Aptos, sans-serif;"> </span></p> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> <span style=3D"font-family: Helvetica, sans-serif; font-size: 9pt;">_______= ________________________________________<br> ippm mailing list -- </span><span style=3D"font-family: Helvetica, sans-ser= if; font-size: 9pt; color: rgb(70, 120, 134);"><a href=3D"mailto:ippm@ietf.= org" data-outlook-id=3D"d5e9c428-539e-43bf-b59d-d658cc4ef8da" style=3D"colo= r: rgb(70, 120, 134); margin-top: 0px; margin-bottom: 0px;"><u>[email protected]= g</u></a></span><span style=3D"font-family: Helvetica, sans-serif; font-siz= e: 9pt;"><br> To unsubscribe send an email to </span><span style=3D"font-family: Helvetic= a, sans-serif; font-size: 9pt; color: rgb(70, 120, 134);"><a href=3D"mailto= :[email protected]" data-outlook-id=3D"9dfcb66c-a7f1-4b93-83b9-01f318a79c= 77" style=3D"color: rgb(70, 120, 134); margin-top: 0px; margin-bottom: 0px;= "><u>[email protected]</u></a></span></p> </blockquote> <p class=3D"MsoNormal" style=3D"margin: 0in 0in 0in 21pt; font-family: SimS= un; font-size: 12pt;"> </p> </div> </div> </body> </html> --_000_DB9PR07MB7771BD44FF89FF667EB61366D6072DB9PR07MB7771eurp_-- --===============0578285501842654731== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaXBwbSBtYWls aW5nIGxpc3QgLS0gaXBwbUBpZXRmLm9yZwpUbyB1bnN1YnNjcmliZSBzZW5kIGFuIGVtYWlsIHRv IGlwcG0tbGVhdmVAaWV0Zi5vcmcK --===============0578285501842654731==--