Hi Loa, Thank you for an expedient response. As PSD MNA may coexist with another PSH, I think that the proposed definition of the MPLS payload should include that case, perhaps as follows: NEWNEWNEW: MPLS Payload: All data after the label stack and an optional Post-Stack header(s).
Regards, Greg On Sat, May 24, 2025, 20:48 Loa Andersson <l...@pi.nu> wrote: > Greg, > > Inline plz. > > Den 25/05/2025 kl. 05:34, skrev Greg Mirsky: > > Hi, Loa et al., > > I have a question about the proposed update to the definition of MPLS > > payload below tagged GIM>>. I appreciate your consideration and > > clarification. > > > > Regards, > > Greg > > > > On Thu, May 22, 2025 at 9:33 PM Loa Andersson <l...@pi.nu > > <mailto:l...@pi.nu>> wrote: > > > > All, > > > > Jie is right. Some nitty updates inline. > > > > Den 22/05/2025 kl. 20:50, skrev Dongjie (Jimmy): > > > Hi Alanna, > > > > > > Thanks for your effort on the text update . I have some remaining > > comments: > > > > > > 1.2 Definitions > > > > > > a. The definition of Label Stack is a bit unclear. The length of > > MPLS label is 20 bits, while the text says "all labels (four-octet > > fields)", it should actually refer to the label stack entries in RFC > > 3032. And the bottom of stack bit is in the label stack entry, not > > in the label. It is suggested to update the definition as below: > > > > > > OLD: > > > Label Stack: > > > For an MPLS packet, all labels (four-octet fields) after the > > Layer 2 header, up to and including the label with the Bottom of > > Stack bit set [RFC3032]. > > > > > > NEW: > > > Label Stack: > > > A label stack is represented as a consecutive sequence of "label > > stack entries (four-octet fields)" after the Layer 2 header but > > before any network layer header. The last label stack entry of a > > label stack has its Bottom of Stack bit set. > > > > I think we can use something closer to the words from RFC 3032 and > also > > use the abbreviations. > > > > NEWNEW: > > Label Stack: > > The label stack is represented as a sequence of "label stack > > entries" (LSE). Each LSE is 4 octets long and follows the Layer 2 > > header before any network layer header. The last LSE of a label stack > > has its Bottom of Stack bit set [RFC3032]. > > > > > > > > Question: Should we call it "MPLS Label Stack" rather "Label Stack"? > > > > > b. The definition of MPLS Payload is not quite clear, especially > > with the introduction of post-stack data in draft-ietf-mpls-mna-fwk. > > It is considered that post-stack data is part of the MPLS layer, > > rather than MPLS payload. It is suggested to update the definition > > as below: > > > > > > OLD: > > > MPLS Payload: All data after the label stack, including the PFN, > > an optional post-stack header, and the embedded packet. > > > > > > NEW: > > > MPLS Payload: All data after the label stack and the optional > > Post-Stack header. > > > > For Alanna: > > > > This is just drop if I'm not right. > > > > NEWNEW: > > MPLS Payload: All data after the label stack and an optional Post- > > Stack > > header. > > > > GIM>> It seems to me that the definition of a Post-stack header in > > AUTH48 does not include Post-stack Data MPLS Network Actions (PSD MNA): > > Post-Stack Header (PSH): A field containing information that may be > > of interest to the egress Label Switching Router (LSR) or transit > > LSRs. Examples include a control word [RFC4385] [RFC8964] or an > > associated channel header [RFC4385] [RFC5586] [RFC9546]. A parser > > needs to be able to determine where the PSH ends in order to find > > the embedded packet. > > I think that PSD MNA is not part of MPLS payload. If that is correct, I > > see two options: > > > > * explicitly refer to PSD MNA in the defintion of the PSH; > > * or explicitly refer to PSD MNA in the definition of the MPLS Payload. > > I'm a bit confused, is Post-stack Data MPLS Network Actions (PSD MNA) > what the draft-ietf-mpls-ps-mna-hdr calls PS ANCILLARY DATA; > alterntively PS ANCILLARY DATA? > > If it is I don't think we need to bother, we are intrested in the first > nibble, types of PSH, and that there is a method to determine where the > PSH ends, any other information in the is better defined in the > dedicated drafts, i.e. draft-ietf-mpls-ps-mna-hdr or solutions drafts. > Tryin g to define stuff at more that one place, at best leads to > repetion, but often to inventing new names for things already defined. > > I think that: > > Post-Stack Header (PSH): A field containing information that may be > of interest to the egress Label Switching Router (LSR) or transit > LSRs. Examples include a control word [RFC4385] [RFC8964] or an > associated channel header [RFC4385] [RFC5586] [RFC9546]. A parser > needs to be able to determine where the PSH ends in order to find > the embedded packet. > > /Loa > > > > > > /Loa > > > > > > Best regards, > > > Jie > > > > > >> -----Original Message----- > > >> From: Alanna Paloma <apal...@staff.rfc-editor.org > > <mailto:apal...@staff.rfc-editor.org>> > > >> Sent: Thursday, May 22, 2025 12:11 AM > > >> To: Greg Mirsky <gregimir...@gmail.com > > <mailto:gregimir...@gmail.com>> > > >> Cc: James Guichard <james.n.guich...@futurewei.com > > <mailto:james.n.guich...@futurewei.com>>; Kireeti Kompella > > >> <kireeti.i...@gmail.com <mailto:kireeti.i...@gmail.com>>; > > Stewart Bryant <s...@stewartbryant.com <mailto:s...@stewartbryant.com>>; > > Matthew > > >> Bocci (Nokia) <matthew.bo...@nokia.com > > <mailto:matthew.bo...@nokia.com>>; l...@pi.nu <mailto:l...@pi.nu>; > > Dongjie (Jimmy) > > >> <jie.d...@huawei.com <mailto:jie.d...@huawei.com>>; Rebecca > > VanRheenen > > >> <rvanrhee...@staff.rfc-editor.org <mailto:rvanrhee...@staff.rfc- > > editor.org>>; RFC Editor <rfc-edi...@rfc-editor.org <mailto:rfc- > > edi...@rfc-editor.org>>; > > >> mpls-...@ietf.org <mailto:mpls-...@ietf.org>; MPLS Working Group > > <mpls-cha...@ietf.org <mailto:mpls-cha...@ietf.org>>; Adrian Farrel > > >> <adr...@olddog.co.uk <mailto:adr...@olddog.co.uk>>; > > auth48archive <auth48archive@rfc-editor.org > > <mailto:auth48archive@rfc-editor.org>> > > >> Subject: Re: AUTH48: RFC-to-be 9790 <draft-ietf- > > mpls-1stnibble-13> for your > > >> review > > >> > > >> Hi Greg, > > >> > > >> Thank you for your approval. It has been noted on the AUTH48 > > status page: > > >> https://www.rfc-editor.org/auth48/rfc9790 <https://www.rfc- > > editor.org/auth48/rfc9790> > > >> > > >> We will await approvals from Kireeti, Stewart, Matthew, Loa, and > > Jie prior to > > >> moving this document forward in the publication process. > > >> > > >> Best regards, > > >> RFC Editor/ap > > >> > > >>> On May 20, 2025, at 2:04 PM, Greg Mirsky <gregimir...@gmail.com > > <mailto:gregimir...@gmail.com>> > > >> wrote: > > >>> > > >>> Hi Alanna, > > >>> Thank you for keeping up with all the updates. I read Loa's > > latest update and > > >> agree with it. Hence, I agree with all the updates applied > > during AUTH48. > > >>> Please let me know if you have any further questions. > > >>> > > >>> Regards, > > >>> Greg > > >>> > > >>> On Tue, May 20, 2025 at 10:40 AM Alanna Paloma > > >> <apal...@staff.rfc-editor.org <mailto:apal...@staff.rfc- > > editor.org>> wrote: > > >>> Hi James, Loa, and other authors, > > >>> > > >>> James - Thank you for your approval. It has been noted on the > > AUTH48 status > > >> page: > > >>> https://www.rfc-editor.org/auth48/rfc9790 <https://www.rfc- > > editor.org/auth48/rfc9790> > > >>> > > >>> > > >>> Authors - We have updated the files per Loa’s updated text (see > > below). > > >>> > > >>> We will await approvals from each party listed on the AUTH48 > > status page > > >> prior to moving this document forward in the publication process. > > >>> > > >>> > > >>> — FILES (please refresh) — > > >>> > > >>> Updated XML file: > > >>> https://www.rfc-editor.org/authors/rfc9790.xml <https:// > > www.rfc-editor.org/authors/rfc9790.xml> > > >>> > > >>> Updated output files: > > >>> https://www.rfc-editor.org/authors/rfc9790.txt <https:// > > www.rfc-editor.org/authors/rfc9790.txt> > > >>> https://www.rfc-editor.org/authors/rfc9790.pdf <https:// > > www.rfc-editor.org/authors/rfc9790.pdf> > > >>> https://www.rfc-editor.org/authors/rfc9790.html <https:// > > www.rfc-editor.org/authors/rfc9790.html> > > >>> > > >>> Diff file showing all changes made during AUTH48: > > >>> https://www.rfc-editor.org/authors/rfc9790-auth48diff.html > > <https://www.rfc-editor.org/authors/rfc9790-auth48diff.html> > > >>> https://www.rfc-editor.org/authors/rfc9790-auth48rfcdiff.html > > <https://www.rfc-editor.org/authors/rfc9790-auth48rfcdiff.html> > (side by > > >> side) > > >>> https://www.rfc-editor.org/authors/rfc9790-lastdiff.html > > <https://www.rfc-editor.org/authors/rfc9790-lastdiff.html> > > (htmlwdiff diff > > >> between last version and this) > > >>> https://www.rfc-editor.org/authors/rfc9790-lastrfcdiff.html > > <https://www.rfc-editor.org/authors/rfc9790-lastrfcdiff.html> > > (rfcdiff between > > >> last version and this) > > >>> > > >>> Diff files showing all changes: > > >>> https://www.rfc-editor.org/authors/rfc9790-diff.html <https:// > > www.rfc-editor.org/authors/rfc9790-diff.html> > > >>> https://www.rfc-editor.org/authors/rfc9790-rfcdiff.html > > <https://www.rfc-editor.org/authors/rfc9790-rfcdiff.html> (side by > side) > > >>> https://www.rfc-editor.org/authors/rfc9790-alt-diff.html > > <https://www.rfc-editor.org/authors/rfc9790-alt-diff.html> (diff > showing > > >> changes where text is moved or deleted) > > >>> > > >>> Best regards, > > >>> RFC Editor/ap > > >>> > > >>>> On May 20, 2025, at 3:09 AM, James Guichard > > >> <james.n.guich...@futurewei.com > > <mailto:james.n.guich...@futurewei.com>> wrote: > > >>>> > > >>>> Approved. > > >>>> Jim > > >>>> From: Alanna Paloma <apal...@staff.rfc-editor.org > > <mailto:apal...@staff.rfc-editor.org>> > > >>>> Date: Monday, May 19, 2025 at 4:27 PM > > >>>> To: James Guichard <james.n.guich...@futurewei.com > > <mailto:james.n.guich...@futurewei.com>>, Greg Mirsky > > >> <gregimir...@gmail.com <mailto:gregimir...@gmail.com>>, Matthew > > Bocci (Nokia) > > >> <matthew.bo...@nokia.com <mailto:matthew.bo...@nokia.com>> > > >>>> Cc: Rebecca VanRheenen <rvanrhee...@staff.rfc-editor.org > > <mailto:rvanrhee...@staff.rfc-editor.org>>, Kireeti > > >> Kompella <kireeti.i...@gmail.com > > <mailto:kireeti.i...@gmail.com>>, Stewart Bryant > > <s...@stewartbryant.com <mailto:s...@stewartbryant.com>>, > > >> Jie Dong <jie.d...@huawei.com <mailto:jie.d...@huawei.com>>, > > l...@pi.nu <mailto:l...@pi.nu><l...@pi.nu <mailto:l...@pi.nu>>, RFC > Editor > > >> <rfc-edi...@rfc-editor.org <mailto:rfc-edi...@rfc-editor.org>>, > > mpls-...@ietf.org <mailto:mpls-...@ietf.org><mpls-...@ietf.org > > <mailto:mpls-...@ietf.org>>, MPLS > > >> Working Group <mpls-cha...@ietf.org <mailto:mpls- > > cha...@ietf.org>>, Adrian Farrel <adr...@olddog.co.uk > > <mailto:adr...@olddog.co.uk>>, > > >> auth48archive <auth48archive@rfc-editor.org > > <mailto:auth48archive@rfc-editor.org>> > > >>>> Subject: [AD] Re: AUTH48: RFC-to-be 9790 <draft-ietf- > > mpls-1stnibble-13> > > >> for your review > > >>>> Hi Matthew, Greg, and James (AD)*, > > >>>> > > >>>> *James - As the AD, please review and approve of the updated > > text and > > >> removal of the BCP 14 keyword “MUST”. > > >>>> > > >>>> Original: > > >>>> Post-stack Header (PSH): optional field of interest to the > > egress > > >>>> Label Switching Router (LSR) (and possibly to transit > > LSRs). > > >>>> Examples include a control word [RFC4385], [RFC8964] or > an > > >>>> associated channel [RFC4385], [RFC5586], [RFC9546]. The > PSH > > >> MUST > > >>>> indicate its length, so that a parser knows where the > > embedded > > >>>> packet starts. > > >>>> > > >>>> Current: > > >>>> Post-Stack Header (PSH): A field containing information > > that may be > > >>>> of interest to the egress Label Switching Router (LSR) > > or transit > > >>>> LSRs. Examples include a control word [RFC4385] > > [RFC8964] or an > > >>>> associated channel header [RFC4385] [RFC5586] > [RFC9546]. A > > >> parser > > >>>> needs to be able to determine where the PSH ends in > > order to find > > >>>> the embedded packet. > > >>>> > > >>>> See this diff file: > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790-ad- > > diff.html&data=05%7C02%7Cjames.n.g > > >> uichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fee > > >> 8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784329230%7CU > > >> nknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAw > > >> MCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C > > >> &sdata=R%2FdCX1QwTrCEPHMcmLGzolTGixI4Kv4U96A6IWzDztc%3D&reserve > > >> d=0 > > >>>> > > >>>> > > >>>> Authors - Thank you for your replies. We have updated as > > requested. We > > >> will await any further changes you may have and approvals from > > each author > > >>>> and *James prior to moving forward in the publication process. > > >>>> > > >>>> — FILES (please refresh) — > > >>>> > > >>>> Updated XML file: > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.xml&data=05%7C02%7Cjames.n.guichard > > >> %40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3 > > >> b240189c753a1d5591fedc%7C1%7C1%7C638832832784348825%7CUnknow > > >> n%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi > > >> OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=K > > >> RNEzPBurOpWcwBvFnb6zzBcRbDLwgxUOdIeGvtvaSo%3D&reserved=0 > > >>>> > > >>>> Updated output files: > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.txt&data=05%7C02%7Cjames.n.guichard > > >> %40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3 > > >> b240189c753a1d5591fedc%7C1%7C1%7C638832832784357951%7CUnknow > > >> n%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi > > >> OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=0 > > >> bSRuIx%2BTDvKbcIetW37yBXQ2J%2FhW02SE2r09N%2Fh830%3D&reserved=0 > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.pdf&data=05%7C02%7Cjames.n.guichard > > >> %40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3 > > >> b240189c753a1d5591fedc%7C1%7C1%7C638832832784367688%7CUnknow > > >> n%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi > > >> OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=c > > >> 8uspTKve1M5EWVu8nvFIFP5BPAgE5YIoofI3%2B6Geow%3D&reserved=0 > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.html&data=05%7C02%7Cjames.n.guichar > > >> d%40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a > > >> 3b240189c753a1d5591fedc%7C1%7C1%7C638832832784376582%7CUnkno > > >> wn%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIl > > >> AiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata > > >> =lsWbPbBwgFGrC5iwuSla6hbRcbZqBm7xWGeXKUnaRIw%3D&reserved=0 > > >>>> > > >>>> Diff file showing all changes made during AUTH48: > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > auth48diff.html&data=05%7C02%7Cjame > > >> s.n.guichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7 > > >> C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784385268 > > >> %7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuM > > >> DAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C > > >> %7C&sdata=bWhX%2BpqcsUdCMTMvygDNBCofAyvdeqDWsr7mYENXYFU%3D > > >> &reserved=0 > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > auth48rfcdiff.html&data=05%7C02%7Cja > > >> mes.n.guichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199 > > >> %7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C6388328327843937 > > >> 60%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjA > > >> uMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C% > > >> 7C%7C&sdata=SZQDJ1y6tmS8IO1y0Ve62Oqj7ofbZTrGx1ev%2BdBM%2FqU%3 > > >> D&reserved=0 (side by side) > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > lastdiff.html&data=05%7C02%7Cjames.n. > > >> guichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fe > > >> e8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784401920%7C > > >> Unknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAw > > >> MCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C > > >> &sdata=cdbc83rx0Xsw32u42IYQStM0XwbM3yM7Psshfd4C%2BlM%3D&reserv > > >> ed=0 (htmlwdiff diff between last version and this) > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > lastrfcdiff.html&data=05%7C02%7Cjames. > > >> n.guichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C > > >> 0fee8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784410964% > > >> 7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMD > > >> AwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C% > > >> 7C&sdata=5t81JSqP%2FFWISfESZJfJMBDyBE3A0mSQUnKd3wplyPQ%3D&rese > > >> rved=0 (rfcdiff between last version and this) > > >>>> > > >>>> Diff files showing all changes: > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > diff.html&data=05%7C02%7Cjames.n.guic > > >> hard%40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff > > >> 2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784422051%7CUnk > > >> nown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCI > > >> > sIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sda > > >> ta=7cELS%2FmN0HNo8R9iRkGr4YiOW0Mx1uEtS410CAGKu0Y%3D&reserved= > > >> 0 > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > rfcdiff.html&data=05%7C02%7Cjames.n.g > > >> uichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fee > > >> 8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784435601%7CU > > >> nknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAw > > >> MCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C > > >> &sdata=bbAWXKpjPa5tounm0qdTNw7scgktIwmBb%2Blb8yDvwEk%3D&reserv > > >> ed=0 (side by side) > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790-alt- > > diff.html&data=05%7C02%7Cjames.n.g > > >> uichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fee > > >> 8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784444065%7CU > > >> nknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAw > > >> MCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C > > >> &sdata=dMhRgIEsRsxMbOPh45dRF4QfYVuva0qtd%2B7oRiu6kuc%3D&reserve > > >> d=0 (diff showing changes where text is moved or deleted) > > >>>> > > >>>> For the AUTH48 status of this document, please see: > > >>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauth48%2Frfc9790&data=05%7C02%7Cjames.n.guichard%40f > > >> uturewei.com <http:// > > uturewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3b240 > > >> 189c753a1d5591fedc%7C1%7C1%7C638832832784452536%7CUnknown%7 > > >> CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJX > > >> aW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=HwQ > > >> 3C9c%2FE2LQw5UhmDImxmEEjuBPcAgTN%2FoMgGEzCr0%3D&reserved=0 > > >>>> > > >>>> Thank you, > > >>>> RFC Editor/ap > > >>>> > > >>>>> On May 19, 2025, at 9:47 AM, Greg Mirsky > > <gregimir...@gmail.com <mailto:gregimir...@gmail.com>> > > >> wrote: > > >>>>> > > >>>>> Hi Rebecca, > > >>>>> I agree with the updates proposed by Matthew. > > >>>>> > > >>>>> Regards, > > >>>>> Greg > > >>>>> > > >>>>> On Mon, May 19, 2025 at 3:17 AM Matthew Bocci (Nokia) > > >> <matthew.bo...@nokia.com <mailto:matthew.bo...@nokia.com>> > wrote: > > >>>>> Hi Rebecca > > >>>>> Thanks for the updated Auth48 text. I have a couple of > > comments. > > >>>>> Regards > > >>>>> Matthew > > >>>>> 1. Introduction: > > >>>>> I think PSH in the second sentence should be pluralised: > > >>>>> OLD: > > >>>>> Examples of PSH include existing artifacts such as control > words > > >> [RFC4385], BIER (Bit Index Explicit Replication) headers > > [RFC8296] and the like, > > >> as well as new types of PSH being discussed by the MPLS Working > > Group. > > >>>>> NEW: > > >>>>> Examples of PSHs include existing artifacts such as control > words > > >> [RFC4385], BIER (Bit Index Explicit Replication) headers > > [RFC8296] and the like, > > >> as well as new types of PSH being discussed by the MPLS Working > > Group. > > >>>>> 2.1 Definitions: > > >>>>> The definition of PSH is a bit unclear in terms of what it is > > referring to for > > >> the optional field of interest, and it is also mandates that the > > PSH must include > > >> a length when in fact most existing PSHs (such as the PW CW or > > G-ACH) do not > > >> include such a field. I would propose rephrasing to: > > >>>>> OLD: > > >>>>> Post-Stack Header (PSH): > > >>>>> Optional field of interest to the egress Label Switching > > Router (LSR) (and > > >> possibly to transit LSRs). Examples include a control word > > [RFC4385] [RFC8964] > > >> or an associated channel [RFC4385] [RFC5586] [RFC9546]. The PSH > MUST > > >> indicate its length, so that a parser knows where the embedded > > packet starts. > > >>>>> NEW: > > >>>>> Post-Stack Header (PSH): > > >>>>> A field containing information which may be of interest to > > the egress > > >> Label Switching Router (LSR) or transit LSRs. Examples include a > > control word > > >> [RFC4385] [RFC8964] or an associated channel header [RFC4385] > > [RFC5586] > > >> [RFC9546]. A parser needs to be able to determine where the PSH > > ends in > > >> order to find the embedded packet. > > >>>>> Best regards, > > >>>>> Matthew > > >>>>> From: Rebecca VanRheenen <rvanrhee...@staff.rfc- > > editor.org <mailto:rvanrhee...@staff.rfc-editor.org>> > > >>>>> Date: Thursday, 15 May 2025 at 22:01 > > >>>>> To: Greg Mirsky <gregimir...@gmail.com > > <mailto:gregimir...@gmail.com>>, Kireeti Kompella > > >> <kireeti.i...@gmail.com <mailto:kireeti.i...@gmail.com>>, > > Stewart Bryant <s...@stewartbryant.com <mailto:s...@stewartbryant.com>>, > > Matthew > > >> Bocci (Nokia) <matthew.bo...@nokia.com > > <mailto:matthew.bo...@nokia.com>>, Jie Dong <jie.d...@huawei.com > > <mailto:jie.d...@huawei.com>>, > > >> l...@pi.nu <mailto:l...@pi.nu> <l...@pi.nu <mailto:l...@pi.nu>> > > >>>>> Cc: RFC Editor <rfc-edi...@rfc-editor.org <mailto:rfc- > > edi...@rfc-editor.org>>, mpls-...@ietf.org <mailto:mpls-...@ietf.org > > > > >> <mpls-...@ietf.org <mailto:mpls-...@ietf.org>>, MPLS Working > > Group <mpls-cha...@ietf.org <mailto:mpls-cha...@ietf.org>>, Adrian > > >> Farrel <adr...@olddog.co.uk <mailto:adr...@olddog.co.uk>>, James > > Guichard > > >> <james.n.guich...@futurewei.com > > <mailto:james.n.guich...@futurewei.com>>, auth48archive > > >> <auth48archive@rfc-editor.org <mailto: > auth48archive@rfc-editor.org>> > > >>>>> Subject: Re: AUTH48: RFC-to-be 9790 <draft-ietf- > > mpls-1stnibble-13> for > > >> your review > > >>>>> [You don't often get email from rvanrhee...@staff.rfc- > > editor.org <mailto:rvanrhee...@staff.rfc-editor.org>. Learn > > >> why this is important at https://aka.ms/ > > LearnAboutSenderIdentification <https://aka.ms/ > > LearnAboutSenderIdentification> ] > > >>>>> > > >>>>> CAUTION: This is an external email. Please be very careful > > when clicking > > >> links or opening attachments. See the URL nok.it/ext <http:// > > nok.it/ext> for additional > > >> information. > > >>>>> > > >>>>> > > >>>>> > > >>>>> Hi Greg and other authors, > > >>>>> > > >>>>> Greg - Thank you for addressing all of our questions! We have > > updated > > >> the document accordingly. > > >>>>> > > >>>>> All - Please review the document carefully to ensure > > satisfaction as we do > > >> not make changes once it has been published as an RFC. Contact > > us with any > > >> further updates or with your approval of the document in its > > current form. > > >> We will await approvals from each author prior to moving forward > > in the > > >> publication process. > > >>>>> > > >>>>> — FILES (please refresh) — > > >>>>> > > >>>>> Updated XML file: > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.xml&data=05%7C02%7Cjames.n.guichard > > >> %40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3 > > >> b240189c753a1d5591fedc%7C1%7C1%7C638832832784460878%7CUnknow > > >> n%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi > > >> OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=E > > >> rr5GWxo3Ug3C%2Fk8AznnSRPY7ozPVeoFShwDnGpF%2FSI%3D&reserved=0 > > >>>>> > > >>>>> Updated output files: > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.txt&data=05%7C02%7Cjames.n.guichard > > >> %40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3 > > >> b240189c753a1d5591fedc%7C1%7C1%7C638832832784469257%7CUnknow > > >> n%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi > > >> OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=R > > >> w3AJgJa7d7CPZE6zB%2FPSUy7zXwfJAB3BcJzJC10cPU%3D&reserved=0 > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.pdf&data=05%7C02%7Cjames.n.guichard > > >> %40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a3 > > >> b240189c753a1d5591fedc%7C1%7C1%7C638832832784477638%7CUnknow > > >> n%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAi > > >> OiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=6 > > >> %2B9xC1P8I%2Fp5mBMfGx%2FHOiuBbEBkpoCMUReYn26%2Fv8g%3D&reserv > > >> ed=0 > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauthors%2Frfc9790.html&data=05%7C02%7Cjames.n.guichar > > >> d%40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff2a > > >> 3b240189c753a1d5591fedc%7C1%7C1%7C638832832784485940%7CUnkno > > >> wn%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIl > > >> AiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata > > >> =lT0e7MKKZ34%2BT25WgdMUI55beG2EDwM6tREymDQakMQ%3D&reserved > > >> =0 > > >>>>> > > >>>>> Diff file showing all changes made during AUTH48: > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > auth48diff.html&data=05%7C02%7Cjame > > >> s.n.guichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7 > > >> C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784494370 > > >> %7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuM > > >> DAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C > > >> > %7C&sdata=ske5ZeYlxDcVQz74ylUjfLZ3LLfaZIVvqKM8YEcVTOo%3D&reserved= > > >> 0 > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > auth48rfcdiff.html&data=05%7C02%7Cja > > >> mes.n.guichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199 > > >> %7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C6388328327845027 > > >> 64%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjA > > >> uMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C% > > >> 7C%7C&sdata=u1%2B5nvsWIiTpjgyJR22nks2VbRJhKepU12l268K5cuM%3D&re > > >> served=0 (side by side) > > >>>>> > > >>>>> Diff files showing all changes: > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > diff.html&data=05%7C02%7Cjames.n.guic > > >> hard%40futurewei.com > > <http://40futurewei.com > >%7C06ce9085667d46e12f1f08dd9713a199%7C0fee8ff > > >> 2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784511359%7CUnk > > >> nown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCI > > >> > sIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sda > > >> ta=dF7%2BXci%2Fp%2BGcM102H0N%2FQZKuIumVQS%2FxVwbdz9Ps0O4%3D > > >> &reserved=0 > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790- > > rfcdiff.html&data=05%7C02%7Cjames.n.g > > >> uichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fee > > >> 8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784522353%7CU > > >> nknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAw > > >> MCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C > > >> &sdata=iqFnYkFdQJ6oYxIvgfJreR2yMvncjpgHAs4OauKL2JI%3D&reserved=0 > > >> (side by side) > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc-editor.org>%2Fauthors%2Frfc9790-alt- > > diff.html&data=05%7C02%7Cjames.n.g > > >> uichard%40futurewei.com > > <http://40futurewei.com>%7C06ce9085667d46e12f1f08dd9713a199%7C0fee > > >> 8ff2a3b240189c753a1d5591fedc%7C1%7C1%7C638832832784531160%7CU > > >> nknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAw > > >> MCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C > > >> &sdata=Rm2l%2B3Qh2ar3ghWBreV9J3HBpl5q1ZrzVwdw6l%2BplTQ%3D&rese > > >> rved=0 (diff showing changes where text is moved or deleted) > > >>>>> > > >>>>> For the AUTH48 status of this document, please see: > > >>>>> > > >> https://nam11.safelinks.protection.outlook.com/? > > url=https%3A%2F%2Fwww.r <https:// > > nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.r> > > >> fc-editor.org <http://fc- > > editor.org>%2Fauth48%2Frfc9790&data=05%7C02%7Cjames.n.guichard%40f > > >> uturewei.com <http:// > > <http://uturewei.com>
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