[Witarea] Re: draft-martin-retry-over-ipv6-02 requesting rev iew/additional comments
Franck Martin <[email protected]> Wed, 1 Jul 2026 15:27:01 -0500 (CDT)
| Newsgroups | gmane.ietf.tsv-area,gmane.ietf.v6ops,gmane.ietf.http-wg |
|---|---|
| Message-ID | <1789666940.33457565.1782937621585.JavaMail.zimbra@peachymango.org> |
--===============2345541119279227167== Content-Type: multipart/alternative; boundary="=_ad900016-1891-4ece-93e9-77e29d3e7079" --=_ad900016-1891-4ece-93e9-77e29d3e7079 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Mirja,=20 Good suggestion.=20 Folks on httpbis,=20 This is about [ https://datatracker.ietf.org/doc/draft-martin-retry-over-ip= v6/ | draft-martin-retry-over-ipv6. ]=20 It is about helping the retirement of IPv4 by providing some transition mec= hanisms. This is part of v6ops but it really needs some http expertise.=20 I'm not tied to a particular error code. I have tried to figure out which c= lass would be best, between 4xx and 5xx. Some folks even suggested using 3x= x, but I'm worried about infinite loops.=20 It may help to understand this draft by placing it into a bigger context, w= hich is described in [ https://datatracker.ietf.org/doc/draft-martin-deploy= ing-ipv6-data-center/ | draft-martin-deploying-ipv6-data-center. ]=20 There is also a short discussion on Reddit: [ https://www.reddit.com/r/ipv6= /s/lBQCFI4ucI | https://www.reddit.com/r/ipv6/s/lBQCFI4ucI ]=20 and some past thread on v6ops/witarea=20 Franck Martin=20 [ https://www.peachymango.org/ | https://www.peachymango.org/ ]=20 From: "Mirja Kuehlewind" <[email protected]>=20 To: "Franck Martin" <[email protected]>, "v6ops" <[email protected]>, "wi= tarea" <[email protected]>=20 Sent: Wednesday, July 1, 2026 1:51:41 AM=20 Subject: Re: [Witarea] draft-martin-retry-over-ipv6-02 requesting review/ad= ditional comments=20 Hi Franck,=20 you should probably also send this to the httpbis list.=20 Mirja=20 From: Franck Martin <[email protected]> on behalf of Franck Martin <fr= [email protected]>=20 Date: Tuesday, 30. June 2026 at 20:49=20 To: v6ops <[email protected]>, witarea <[email protected]>=20 Subject: [Witarea] draft-martin-retry-over-ipv6-02 requesting review/additi= onal comments=20 Hi all,=20 Some suggested that a 4xx code could be better, so I checked the pros and c= ons and added language in this draft on the various aspects of 566 vs 466. = Also checked if there is any current behavior for common software for retry= ing after any HTTP error code.=20 Spolier alert: 566 still seems better.it is not an error on the client part= , It is the server that refuses to honor the connection.=20 This new draft has this added language:=20 [ https://datatracker.ietf.org/doc/draft-martin-retry-over-ipv6/ | https://= datatracker.ietf.org/doc/draft-martin-retry-over-ipv6/ ]=20 To be noted, I implemented this draft on my site: [ https://pacific.ipv6for= um.com/ | https://pacific.ipv6forum.com/ ] so that on the 6th of every mont= h, IPv4 is not served. I had some implementation nits that prevented me fro= m getting good logs. I hope this time I will have better logs, therefore be= tter reports to share with folks.=20 In a couple of days, the site will show a banner announcing the IPv4 outage= .=20 At the moment, I have not convinced a WG to formally =E2=80=9Chost=E2=80=9D= the discussion. I won=E2=80=99t be able to attend IETF Vienna as to gather= more support, but appreciate if some folks could be a proxy.=20 Franck Martin=20 [ https://www.peachymango.org/ | https://www.peachymango.org ]=20 --=_ad900016-1891-4ece-93e9-77e29d3e7079 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"font-family: arial,helvetica,sans-serif; font-siz= e: 12pt; color: #000000"><div><p style=3D"margin: 0px; font-style: normal; = font-variant-caps: normal; font-weight: normal; font-width: normal; font-si= ze: 16px; line-height: normal; font-family: Arial; font-size-adjust: none; = font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures= : normal; font-variant-numeric: normal; font-variant-east-asian: normal; fo= nt-variant-position: normal; font-variant-emoji: normal; font-feature-setti= ngs: normal; font-optical-sizing: auto; font-variation-settings: normal; co= lor: rgb(0, 0, 0);" data-mce-style=3D"margin: 0px; font-style: normal; font= -variant-caps: normal; font-weight: normal; font-width: normal; font-size: = 16px; line-height: normal; font-family: Arial; font-size-adjust: none; font= -kerning: auto; font-variant-alternates: normal; font-variant-ligatures: no= rmal; font-variant-numeric: normal; font-variant-east-asian: normal; font-v= ariant-position: normal; font-variant-emoji: normal; font-feature-settings:= normal; font-optical-sizing: auto; font-variation-settings: normal; color:= #000000;">Hi Mirja,</p><p style=3D"margin: 0px; font-style: normal; font-v= ariant-caps: normal; font-weight: normal; font-width: normal; font-size: 16= px; line-height: normal; font-family: Arial; font-size-adjust: none; font-k= erning: auto; font-variant-alternates: normal; font-variant-ligatures: norm= al; font-variant-numeric: normal; font-variant-east-asian: normal; font-var= iant-position: normal; font-variant-emoji: normal; font-feature-settings: n= ormal; font-optical-sizing: auto; font-variation-settings: normal; color: r= gb(0, 0, 0); min-height: 18px;" data-mce-style=3D"margin: 0px; font-style: = normal; font-variant-caps: normal; font-weight: normal; font-width: normal;= font-size: 16px; line-height: normal; font-family: Arial; font-size-adjust= : none; font-kerning: auto; font-variant-alternates: normal; font-variant-l= igatures: normal; font-variant-numeric: normal; font-variant-east-asian: no= rmal; font-variant-position: normal; font-variant-emoji: normal; font-featu= re-settings: normal; font-optical-sizing: auto; font-variation-settings: no= rmal; color: #000000; min-height: 18px;"><br></p><p style=3D"margin: 0px; f= ont-style: normal; font-variant-caps: normal; font-weight: normal; font-wid= th: normal; font-size: 16px; line-height: normal; font-family: Arial; font-= size-adjust: none; font-kerning: auto; font-variant-alternates: normal; fon= t-variant-ligatures: normal; font-variant-numeric: normal; font-variant-eas= t-asian: normal; font-variant-position: normal; font-variant-emoji: normal;= font-feature-settings: normal; font-optical-sizing: auto; font-variation-s= ettings: normal; color: rgb(0, 0, 0);" data-mce-style=3D"margin: 0px; font-= style: normal; font-variant-caps: normal; font-weight: normal; font-width: = normal; font-size: 16px; line-height: normal; font-family: Arial; font-size= -adjust: none; font-kerning: auto; font-variant-alternates: normal; font-va= riant-ligatures: normal; font-variant-numeric: normal; font-variant-east-as= ian: normal; font-variant-position: normal; font-variant-emoji: normal; fon= t-feature-settings: normal; font-optical-sizing: auto; font-variation-setti= ngs: normal; color: #000000;">Good suggestion.</p><p style=3D"margin: 0px; = font-style: normal; font-variant-caps: normal; font-weight: normal; font-wi= dth: normal; font-size: 16px; line-height: normal; font-family: Arial; font= -size-adjust: none; font-kerning: auto; font-variant-alternates: normal; fo= nt-variant-ligatures: normal; font-variant-numeric: normal; font-variant-ea= st-asian: normal; font-variant-position: normal; font-variant-emoji: normal= ; font-feature-settings: normal; font-optical-sizing: auto; font-variation-= settings: normal; color: rgb(0, 0, 0); min-height: 18px;" data-mce-style=3D= "margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: n= ormal; font-width: normal; font-size: 16px; line-height: normal; font-famil= y: Arial; font-size-adjust: none; font-kerning: auto; font-variant-alternat= es: normal; font-variant-ligatures: normal; font-variant-numeric: normal; f= ont-variant-east-asian: normal; font-variant-position: normal; font-variant= -emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; f= ont-variation-settings: normal; color: #000000; min-height: 18px;"><br></p>= <p style=3D"margin: 0px; font-style: normal; font-variant-caps: normal; fon= t-weight: normal; font-width: normal; font-size: 16px; line-height: normal;= font-family: Arial; font-size-adjust: none; font-kerning: auto; font-varia= nt-alternates: normal; font-variant-ligatures: normal; font-variant-numeric= : normal; font-variant-east-asian: normal; font-variant-position: normal; f= ont-variant-emoji: normal; font-feature-settings: normal; font-optical-sizi= ng: auto; font-variation-settings: normal; color: rgb(0, 0, 0);" data-mce-s= tyle=3D"margin: 0px; font-style: normal; font-variant-caps: normal; font-we= ight: normal; font-width: normal; font-size: 16px; line-height: normal; fon= t-family: Arial; font-size-adjust: none; font-kerning: auto; font-variant-a= lternates: normal; font-variant-ligatures: normal; font-variant-numeric: no= rmal; font-variant-east-asian: normal; font-variant-position: normal; font-= variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: = auto; font-variation-settings: normal; color: #000000;">Folks on httpbis,</= p><p style=3D"margin: 0px; font-style: normal; font-variant-caps: normal; f= ont-weight: normal; font-width: normal; font-size: 16px; line-height: norma= l; font-family: Arial; font-size-adjust: none; font-kerning: auto; font-var= iant-alternates: normal; font-variant-ligatures: normal; font-variant-numer= ic: normal; font-variant-east-asian: normal; font-variant-position: normal;= font-variant-emoji: normal; font-feature-settings: normal; font-optical-si= zing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-heigh= t: 18px;" data-mce-style=3D"margin: 0px; font-style: normal; font-variant-c= aps: normal; font-weight: normal; font-width: normal; font-size: 16px; line= -height: normal; font-family: Arial; font-size-adjust: none; font-kerning: = auto; font-variant-alternates: normal; font-variant-ligatures: normal; font= -variant-numeric: normal; font-variant-east-asian: normal; font-variant-pos= ition: normal; font-variant-emoji: normal; font-feature-settings: normal; f= ont-optical-sizing: auto; font-variation-settings: normal; color: #000000; = min-height: 18px;"><br></p><p style=3D"margin: 0px; font-style: normal; fon= t-variant-caps: normal; font-weight: normal; font-width: normal; font-size:= 16px; line-height: normal; font-family: Arial; font-size-adjust: none; fon= t-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: n= ormal; font-variant-numeric: normal; font-variant-east-asian: normal; font-= variant-position: normal; font-variant-emoji: normal; font-feature-settings= : normal; font-optical-sizing: auto; font-variation-settings: normal; color= : rgb(66, 1, 120);" data-mce-style=3D"margin: 0px; font-style: normal; font= -variant-caps: normal; font-weight: normal; font-width: normal; font-size: = 16px; line-height: normal; font-family: Arial; font-size-adjust: none; font= -kerning: auto; font-variant-alternates: normal; font-variant-ligatures: no= rmal; font-variant-numeric: normal; font-variant-east-asian: normal; font-v= ariant-position: normal; font-variant-emoji: normal; font-feature-settings:= normal; font-optical-sizing: auto; font-variation-settings: normal; color:= #420178;"><span style=3D"color: #000000;" data-mce-style=3D"color: #000000= ;">This is about <a href=3D"https://datatracker.ietf.org/doc/draft-martin-r= etry-over-ipv6/" data-mce-href=3D"https://datatracker.ietf.org/doc/draft-ma= rtin-retry-over-ipv6/"><span style=3D"text-decoration: underline; color: #4= 20178;" data-mce-style=3D"text-decoration: underline; color: #420178;">draf= t-martin-retry-over-ipv6.</span></a></span></p><p style=3D"margin: 0px; fon= t-style: normal; font-variant-caps: normal; font-weight: normal; font-width= : normal; font-size: 16px; line-height: normal; font-family: Arial; font-si= ze-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-= variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-= asian: normal; font-variant-position: normal; font-variant-emoji: normal; f= ont-feature-settings: normal; font-optical-sizing: auto; font-variation-set= tings: normal; color: rgb(0, 0, 0); min-height: 18px;" data-mce-style=3D"ma= rgin: 0px; font-style: normal; font-variant-caps: normal; font-weight: norm= al; font-width: normal; font-size: 16px; line-height: normal; font-family: = Arial; font-size-adjust: none; font-kerning: auto; font-variant-alternates:= normal; font-variant-ligatures: normal; font-variant-numeric: normal; font= -variant-east-asian: normal; font-variant-position: normal; font-variant-em= oji: normal; font-feature-settings: normal; font-optical-sizing: auto; font= -variation-settings: normal; color: #000000; min-height: 18px;"><br></p><p = style=3D"margin: 0px; font-style: normal; font-variant-caps: normal; font-w= eight: normal; font-width: normal; font-size: 16px; line-height: normal; fo= nt-family: Arial; font-size-adjust: none; font-kerning: auto; font-variant-= alternates: normal; font-variant-ligatures: normal; font-variant-numeric: n= ormal; font-variant-east-asian: normal; font-variant-position: normal; font= -variant-emoji: normal; font-feature-settings: normal; font-optical-sizing:= auto; font-variation-settings: normal; color: rgb(0, 0, 0);" data-mce-styl= e=3D"margin: 0px; font-style: normal; font-variant-caps: normal; font-weigh= t: normal; font-width: normal; font-size: 16px; line-height: normal; font-f= amily: Arial; font-size-adjust: none; font-kerning: auto; font-variant-alte= rnates: normal; font-variant-ligatures: normal; font-variant-numeric: norma= l; font-variant-east-asian: normal; font-variant-position: normal; font-var= iant-emoji: normal; font-feature-settings: normal; font-optical-sizing: aut= o; font-variation-settings: normal; color: #000000;">It is about helping th= e retirement of IPv4 by providing some transition mechanisms. This is part = of v6ops but it really needs some http expertise.</p><p style=3D"margin: 0p= x; font-style: normal; font-variant-caps: normal; font-weight: normal; font= -width: normal; font-size: 16px; line-height: normal; font-family: Arial; f= ont-size-adjust: none; font-kerning: auto; font-variant-alternates: normal;= font-variant-ligatures: normal; font-variant-numeric: normal; font-variant= -east-asian: normal; font-variant-position: normal; font-variant-emoji: nor= mal; font-feature-settings: normal; font-optical-sizing: auto; font-variati= on-settings: normal; color: rgb(0, 0, 0); min-height: 18px;" data-mce-style= =3D"margin: 0px; font-style: normal; font-variant-caps: normal; font-weight= : normal; font-width: normal; font-size: 16px; line-height: normal; font-fa= mily: Arial; font-size-adjust: none; font-kerning: auto; font-variant-alter= nates: normal; font-variant-ligatures: normal; font-variant-numeric: normal= ; font-variant-east-asian: normal; font-variant-position: normal; font-vari= ant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto= ; font-variation-settings: normal; color: #000000; min-height: 18px;"><br><= /p><p style=3D"margin: 0px; font-style: normal; font-variant-caps: normal; = font-weight: normal; font-width: normal; font-size: 16px; line-height: norm= al; font-family: Arial; font-size-adjust: none; font-kerning: auto; font-va= riant-alternates: normal; font-variant-ligatures: normal; font-variant-nume= ric: normal; font-variant-east-asian: normal; font-variant-position: normal= ; font-variant-emoji: normal; font-feature-settings: normal; font-optical-s= izing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);" data-mc= e-style=3D"margin: 0px; font-style: normal; font-variant-caps: normal; font= -weight: normal; font-width: normal; font-size: 16px; line-height: normal; = font-family: Arial; font-size-adjust: none; font-kerning: auto; font-varian= t-alternates: normal; font-variant-ligatures: normal; font-variant-numeric:= normal; font-variant-east-asian: normal; font-variant-position: normal; fo= nt-variant-emoji: normal; font-feature-settings: normal; font-optical-sizin= g: auto; font-variation-settings: normal; color: #000000;">I'm not tied to = a particular error code. I have tried to figure out which class would be be= st, between 4xx and 5xx. Some folks even suggested using 3xx, but I'm worri= ed about infinite loops.</p><p style=3D"margin: 0px; font-style: normal; fo= nt-variant-caps: normal; font-weight: normal; font-width: normal; font-size= : 16px; line-height: normal; font-family: Arial; font-size-adjust: none; fo= nt-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: = normal; font-variant-numeric: normal; font-variant-east-asian: normal; font= -variant-position: normal; font-variant-emoji: normal; font-feature-setting= s: normal; font-optical-sizing: auto; font-variation-settings: normal; colo= r: rgb(0, 0, 0); min-height: 18px;" data-mce-style=3D"margin: 0px; font-sty= le: normal; font-variant-caps: normal; font-weight: normal; font-width: nor= mal; font-size: 16px; line-height: normal; font-family: Arial; font-size-ad= just: none; font-kerning: auto; font-variant-alternates: normal; font-varia= nt-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian= : normal; font-variant-position: normal; font-variant-emoji: normal; font-f= eature-settings: normal; font-optical-sizing: auto; font-variation-settings= : normal; color: #000000; min-height: 18px;"><br></p><p style=3D"margin: 0p= x; font-style: normal; font-variant-caps: normal; font-weight: normal; font= -width: normal; font-size: 16px; line-height: normal; font-family: Arial; f= ont-size-adjust: none; font-kerning: auto; font-variant-alternates: normal;= font-variant-ligatures: normal; font-variant-numeric: normal; font-variant= -east-asian: normal; font-variant-position: normal; font-variant-emoji: nor= mal; font-feature-settings: normal; font-optical-sizing: auto; font-variati= on-settings: normal; color: rgb(0, 0, 0);" data-mce-style=3D"margin: 0px; f= ont-style: normal; font-variant-caps: normal; font-weight: normal; font-wid= th: normal; font-size: 16px; line-height: normal; font-family: Arial; font-= size-adjust: none; font-kerning: auto; font-variant-alternates: normal; fon= t-variant-ligatures: normal; font-variant-numeric: normal; font-variant-eas= t-asian: normal; font-variant-position: normal; font-variant-emoji: normal;= font-feature-settings: normal; font-optical-sizing: auto; font-variation-s= ettings: normal; color: #000000;">It may help to understand this draft by p= lacing it into a bigger context, which is described in <a href=3D"https://d= atatracker.ietf.org/doc/draft-martin-deploying-ipv6-data-center/" data-mce-= href=3D"https://datatracker.ietf.org/doc/draft-martin-deploying-ipv6-data-c= enter/"><span style=3D"text-decoration: underline; color: #420178;" data-mc= e-style=3D"text-decoration: underline; color: #420178;">draft-martin-deploy= ing-ipv6-data-center.</span></a></p><p style=3D"margin: 0px; font-style: no= rmal; font-variant-caps: normal; font-weight: normal; font-width: normal; f= ont-size: 16px; line-height: normal; font-family: Arial; font-size-adjust: = none; font-kerning: auto; font-variant-alternates: normal; font-variant-lig= atures: normal; font-variant-numeric: normal; font-variant-east-asian: norm= al; font-variant-position: normal; font-variant-emoji: normal; font-feature= -settings: normal; font-optical-sizing: auto; font-variation-settings: norm= al; color: rgb(0, 0, 0); min-height: 18px;" data-mce-style=3D"margin: 0px; = font-style: normal; font-variant-caps: normal; font-weight: normal; font-wi= dth: normal; font-size: 16px; line-height: normal; font-family: Arial; font= -size-adjust: none; font-kerning: auto; font-variant-alternates: normal; fo= nt-variant-ligatures: normal; font-variant-numeric: normal; font-variant-ea= st-asian: normal; font-variant-position: normal; font-variant-emoji: normal= ; font-feature-settings: normal; font-optical-sizing: auto; font-variation-= settings: normal; color: #000000; min-height: 18px;"><br></p><p style=3D"ma= rgin: 0px; font-style: normal; font-variant-caps: normal; font-weight: norm= al; font-width: normal; font-size: 16px; line-height: normal; font-family: = Arial; font-size-adjust: none; font-kerning: auto; font-variant-alternates:= normal; font-variant-ligatures: normal; font-variant-numeric: normal; font= -variant-east-asian: normal; font-variant-position: normal; font-variant-em= oji: normal; font-feature-settings: normal; font-optical-sizing: auto; font= -variation-settings: normal; color: rgb(0, 0, 233);" data-mce-style=3D"marg= in: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal= ; font-width: normal; font-size: 16px; line-height: normal; font-family: Ar= ial; font-size-adjust: none; font-kerning: auto; font-variant-alternates: n= ormal; font-variant-ligatures: normal; font-variant-numeric: normal; font-v= ariant-east-asian: normal; font-variant-position: normal; font-variant-emoj= i: normal; font-feature-settings: normal; font-optical-sizing: auto; font-v= ariation-settings: normal; color: #0000e9;"><span style=3D"color: #000000;"= data-mce-style=3D"color: #000000;">There is also a short discussion on Red= dit: <span style=3D"text-decoration: underline; color: #0000e9;" data-mce-s= tyle=3D"text-decoration: underline; color: #0000e9;"><a href=3D"https://www= .reddit.com/r/ipv6/s/lBQCFI4ucI">https://www.reddit.com/r/ipv6/s/lBQCFI4ucI= </a></span></span></p></div><div></div><div><br data-mce-bogus=3D"1"></div>= <div>and some past thread on v6ops/witarea</div><div><br data-mce-bogus=3D"= 1"></div><div>Franck Martin</div><div><a href=3D"https://www.peachymango.or= g/">https://www.peachymango.org/</a> </div><div><br></div><hr id=3D"zw= chr" data-marker=3D"__DIVIDER__"><div data-marker=3D"__HEADERS__"><b>From: = </b>"Mirja Kuehlewind" <[email protected]><br><b>To: </b>= "Franck Martin" <[email protected]>, "v6ops" <[email protected]&= gt;, "witarea" <[email protected]><br><b>Sent: </b>Wednesday, July 1, = 2026 1:51:41 AM<br><b>Subject: </b>Re: [Witarea] draft-martin-retry-over-ip= v6-02 requesting review/additional comments<style></style></div><div data-m= arker=3D"__QUOTED_TEXT__"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span lang=3D"DE" style=3D"font-size:11pt">Hi Franck= ,</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:11pt">you sh= ould probably also send this to the httpbis list.</span></p> <p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:11pt">Mirja<= /span></p> <div style=3D"border:none;border-top:solid #b5c4df 1pt;padding:3pt 0cm 0cm = 0cm"> <p class=3D"MsoNormal" style=3D"margin-left:36pt"><b><span style=3D"font-fa= mily:'calibri' , sans-serif;color:black">From: </span></b><span style=3D"font-family:'calibri' , sans-serif;color:black">F= ranck Martin <[email protected]> on behalf of Franck Martin <= [email protected]><br> <b>Date: </b>Tuesday, 30. June 2026 at 20:49<br> <b>To: </b>v6ops <[email protected]>, witarea <[email protected]><b= r> <b>Subject: </b>[Witarea] draft-martin-retry-over-ipv6-02 requesting review= /additional comments</span><span style=3D"font-size: 12pt;"> </span></= p></div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">Hi all,<span style=3D"fon= t-size: 12pt;"> </span></p> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">Some suggested that a 4xx= code could be better, so I checked the pros and cons and added language in= this draft on the various aspects of 566 vs 466. Also checked if there is = any current behavior for common software for retrying after any HTTP error code.</p></div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">Spolier alert: 566 still = seems better.it is not an error on the client part, It is the server that r= efuses to honor the connection.</p></div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">This new draft has this a= dded language:<span style=3D"font-size: 12pt;"> </span></p></div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt"><a href=3D"https://datatr= acker.ietf.org/doc/draft-martin-retry-over-ipv6/" target=3D"_blank" rel=3D"= nofollow noopener noreferrer">https://datatracker.ietf.org/doc/draft-martin= -retry-over-ipv6/</a><span style=3D"font-size: 12pt;"> </span></p></di= v> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">To be noted, I implemente= d this draft on my site: <a href=3D"https://pacific.ipv6forum.com/" ta= rget=3D"_blank" rel=3D"nofollow noopener noreferrer">https://pacific.ipv6fo= rum.com/</a> so that on the 6th of every month, IPv4 is not served. I had s= ome implementation nits that prevented me from getting good logs. I hope this time I will have bet= ter logs, therefore better reports to share with folks.</p></div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">In a couple of days, the = site will show a banner announcing the IPv4 outage.</p></div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">At the moment, I have not= convinced a WG to formally =E2=80=9Chost=E2=80=9D the discussion. I won=E2= =80=99t be able to attend IETF Vienna as to gather more support, but apprec= iate if some folks could be a proxy.</p></div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt">Franck Martin</p> </div> <div> <p class=3D"MsoNormal" style=3D"margin-left:36pt"><a href=3D"https://www.pe= achymango.org/" target=3D"_blank" rel=3D"nofollow noopener noreferrer">http= s://www.peachymango.org</a> </p> </div> </div><br></div></div></body></html> --=_ad900016-1891-4ece-93e9-77e29d3e7079-- --===============2345541119279227167== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline LS0gCldpdGFyZWEgbWFpbGluZyBsaXN0IC0tIHdpdGFyZWFAaWV0Zi5vcmcKVG8gdW5zdWJzY3Jp YmUgc2VuZCBhbiBlbWFpbCB0byB3aXRhcmVhLWxlYXZlQGlldGYub3JnCg== --===============2345541119279227167==--