Re: [lisp] Mirja Kühlewind's Discuss on draft-ietf-lisp-gpe-05: (with DISCUSS and COMMENT)
"BRUNGARD, DEBORAH A" <db3546@att.com> Fri, 10 January 2020 19:03 UTC
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From: "BRUNGARD, DEBORAH A" <db3546@att.com>
To: Mirja Kuehlewind <ietf@kuehlewind.net>, "Fabio Maino (fmaino)" <fmaino@cisco.com>
CC: The IESG <iesg@ietf.org>, "lisp-chairs@ietf.org" <lisp-chairs@ietf.org>, "lisp@ietf.org" <lisp@ietf.org>, "magnus.westerlund@ericsson.com" <magnus.westerlund@ericsson.com>, "draft-ietf-lisp-gpe@ietf.org" <draft-ietf-lisp-gpe@ietf.org>, Luigi Iannone <ggx@gigix.net>
Thread-Topic: Mirja Kühlewind's Discuss on draft-ietf-lisp-gpe-05: (with DISCUSS and COMMENT)
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Date: Fri, 10 Jan 2020 19:03:27 +0000
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Subject: Re: [lisp] Mirja Kühlewind's Discuss on draft-ietf-lisp-gpe-05: (with DISCUSS and COMMENT)
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Hi Mirja, The plan is to Last Call the set of documents (gpe, bis's) and put on a future telechat. First, the author teams want to ensure they have addressed all the current Discusses/comments and they are working to get the documents ready. Thanks all - the documents are much improved! Deborah -----Original Message----- From: Mirja Kuehlewind <ietf@kuehlewind.net> Sent: Wednesday, January 08, 2020 5:22 AM To: Fabio Maino (fmaino) <fmaino@cisco.com>; BRUNGARD, DEBORAH A <db3546@att.com> Cc: The IESG <iesg@ietf.org>; lisp-chairs@ietf.org; lisp@ietf.org; magnus.westerlund@ericsson.com; draft-ietf-lisp-gpe@ietf.org; Luigi Iannone <ggx@gigix.net> Subject: Re: Mirja Kühlewind's Discuss on draft-ietf-lisp-gpe-05: (with DISCUSS and COMMENT) Hi Fabio, Thanks for all the work. Changes look good to me and I think my discuss comments are addressed. One small comment/nit: I think you also should define the “Reserved” field in Figure 2. It’s not mention in the text, and even though the meaning is obvious, I assume it was an oversight that it's not described. Given the large set of changes, it’s good that another wg last call took place. I think given more or less whole document has changes, it could be approbate to also have another IETF last call and put it back on a future telechat agenda. But I let Deborah decide about this. Deborah what's your plan here? Mirja > On 8. Jan 2020, at 00:02, Fabio Maino (fmaino) <fmaino@cisco.com> wrote: > > Hi Mirja, > It took quite some time, but I think we are finally making progress > with the review of draft-ietf-lisp-gpe and the related LISP RFCbis > drafts > (https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf > .org_doc_draft-2Dietf-2Dlisp-2Drfc6830bis_&d=DwIFaQ&c=LFYZ-o9_HUMeMTSQ > icvjIg&r=6UhGpW9lwi9dM7jYlxXD8w&m=P3uTUROTWL7J4b_XZZt4t4VKyYB-AcvU0YVl > PPk33Nw&s=oRnVaMWUr_mvYyEiDEkkNTuBOAIOJ_vBnr3COsvsMrI&e= > , https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dlisp-2Drfc6833bis_&d=DwIFaQ&c=LFYZ-o9_HUMeMTSQicvjIg&r=6UhGpW9lwi9dM7jYlxXD8w&m=P3uTUROTWL7J4b_XZZt4t4VKyYB-AcvU0YVlPPk33Nw&s=3I9q-AoB6EQNPtTNvKH36_EP-xCFPQESZPH7CeFoVuo&e= ). > > Could you please take a look at the latest rev -13 of https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dietf-2Dlisp-2Dgpe_&d=DwIFaQ&c=LFYZ-o9_HUMeMTSQicvjIg&r=6UhGpW9lwi9dM7jYlxXD8w&m=P3uTUROTWL7J4b_XZZt4t4VKyYB-AcvU0YVlPPk33Nw&s=BueHq0NVA0sDhX7r1hme2y4YHEnu52LCy7alSTn3nIc&e= , and let us know if we have addressed your comments? > > Wrt lisp-gpe, compared with rev -05 that you last reviewed, we have done two main changes that might help addressing your DISCUSS: > 1. We have introduced the concept of shim header, along the line of what Mirja suggested in her comment. The chairs thought that the change was significant enough to require a new last call with the WG, that we did after Singapore > 2. We have introduced section 4 that, following what done in RFC8085 and RFC8086, defines the scope of applicability of LISP-GPE and makes considerations related with congestion control, UDP checksum, and ethernet payload encapsulation. > > Please, let me know if you have any further question or suggestion. > > I have attached a diff from rev -05 that is the one to which your ballot comments were referring to. > > Thanks, > Fabio > > > On 9/20/18, 1:22 PM, "Fabio Maino" <fmaino@cisco.com> wrote: > > Thanks for your notes Mirja. > > I'll publish an updated rev this evening to consolidate the changes that > I believe we have agreed upon, and then I'll work on those that are > still open. > > Please see below. > > > On 9/19/18 12:42 PM, Mirja Kühlewind wrote: >> Mirja Kühlewind has entered the following ballot position for >> draft-ietf-lisp-gpe-05: Discuss >> >> When responding, please keep the subject line intact and reply to all >> email addresses included in the To and CC lines. (Feel free to cut >> this introductory paragraph, however.) >> >> >> Please refer to >> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_ies >> g_statement_discuss-2Dcriteria.html&d=DwIFaQ&c=LFYZ-o9_HUMeMTSQicvjIg >> &r=6UhGpW9lwi9dM7jYlxXD8w&m=P3uTUROTWL7J4b_XZZt4t4VKyYB-AcvU0YVlPPk33 >> Nw&s=LRs3yFVTl5Y1iOdjAu80URJVGsWHi2UmiUaeJ0j9Imw&e= >> for more information about IESG DISCUSS and COMMENT positions. >> >> >> The document, along with other ballot positions, can be found here: >> https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf >> .org_doc_draft-2Dietf-2Dlisp-2Dgpe_&d=DwIFaQ&c=LFYZ-o9_HUMeMTSQicvjIg >> &r=6UhGpW9lwi9dM7jYlxXD8w&m=P3uTUROTWL7J4b_XZZt4t4VKyYB-AcvU0YVlPPk33 >> Nw&s=BueHq0NVA0sDhX7r1hme2y4YHEnu52LCy7alSTn3nIc&e= >> >> >> >> --------------------------------------------------------------------- >> - >> DISCUSS: >> --------------------------------------------------------------------- >> - >> >> Thanks for addressing the TSV-ART review (and Magnus for doing the >> review)! I assume that the proposed text will be incorporated in the >> next version. (Would have been even better if those (larger) changes >> would have been added before the doc was put on the telechat; please >> update as soon as possible so other AD can review that text as well). >> >> However, I think the text still needs to say more about HOW the PCP >> should be mapped to DSCPs. RFC8325 doesn't provide guidelines but a mapping for 802.11. >> Is the same mapping applicable here? > > Agree. As pointed out by Magnus' latest email there's more investigation > needed here. I'll get back on this. > >> >> Also, I'm not an expert for that part, but I guess there also is >> further guidance needed on HOW to map the VID...? > > This is really straightforward, as the VID is a 12-bit field, and the > IID is 24-bit. Implementation that I'm aware of typically carve a > portion of the IID space to encode the VID. > >> >> >> --------------------------------------------------------------------- >> - >> COMMENT: >> --------------------------------------------------------------------- >> - >> >> Given this doc uses the last reserved bit in the lisp header, I would >> really like to see more discussion how the data plane lisp can still >> be extended. I think the solution is straight-forward (define a shim >> layer for the extension and announce this capability in the >> Map-Reply), however, spelling this out seems to be appropriate for this doc. > > Correct, that's the idea. I'll add a sentence that states that a > lisp-gpe next protocol header can be used to extend the lisp data-plane > functions. > > > Thanks, > Fabio > >> >> > > > > <Diff_ draft-ietf-lisp-gpe-05.txt - draft-ietf-lisp-gpe-13.txt.pdf>
- [lisp] Mirja Kühlewind's Discuss on draft-ietf-li… Mirja Kühlewind
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Fabio Maino
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Fabio Maino (fmaino)
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Mirja Kuehlewind
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Fabio Maino (fmaino)
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Fabio Maino (fmaino)
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… BRUNGARD, DEBORAH A
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Mirja Kuehlewind
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Fabio Maino (fmaino)
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Mirja Kuehlewind
- Re: [lisp] Mirja Kühlewind's Discuss on draft-iet… Fabio Maino (fmaino)