Re: [Teas] I-D Action: draft-ietf-teas-ietf-network-slice-definition-01.txt

"Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com> Mon, 22 February 2021 18:04 UTC

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From: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>
To: "Joel M. Halpern" <jmh@joelhalpern.com>, Kiran Makhijani <kiranm@futurewei.com>, "teas@ietf.org" <teas@ietf.org>
CC: "Rokui, Reza (Nokia - CA/Ottawa)" <reza.rokui@nokia.com>
Thread-Topic: [Teas] I-D Action: draft-ietf-teas-ietf-network-slice-definition-01.txt
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Date: Mon, 22 Feb 2021 18:04:34 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/teas/QhAHwzh0avgz_0xy-BOQS0ExXxQ>
Subject: Re: [Teas] I-D Action: draft-ietf-teas-ietf-network-slice-definition-01.txt
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Joel,

Please be specific on your concerns. Note that since IETF network slice endpoints are technology-agnostics, the current definition draft just defines them. We on purpose did not go through any aspects of IETF network slice realization.

The mapping between IETF technology-specific and NSE (as per Adrian see Figure 2. of RFC3985) is given in following draft  (see section 6.3 IETF Network Slice Endpoint (NSE)):

https://www.ietf.org/archive/id/draft-wd-teas-ietf-network-slice-nbi-yang-02.txt

Reza

----------------------------------------------------------

On 2021-02-22, 12:54 PM, "Teas on behalf of Joel M. Halpern" <teas-bounces@ietf.org on behalf of jmh@joelhalpern.com> wrote:

    The conflating of the external entity (what the diagram calls endpoint) 
    with the ingress / egress is simply confusing and does not match the 
    usage the IETF generally uses for those terms.

    There are other aspects of this as well, but getting agreement on what 
    we want to name, and what their names are, in ways that are consistent 
    with general IETF usage, will make it simpler to discuss the other issues.

    Yours,
    Joel

    On 2/22/2021 12:43 PM, Kiran Makhijani wrote:
    > Very fair point,
    > 
    > We had finished revising the text late Friday and rushed to post due to 
    > the submission deadline. It did not occur to first post it on the list ( 
    > we should have).
    > 
    > Regardless, please let us know your concerns.
    > 
    > Cheers,
    > 
    > Kiran
    > 
    > *From: *Teas <teas-bounces@ietf.org> on behalf of Joel M. Halpern 
    > <jmh@joelhalpern.com>
    > *Date: *Monday, February 22, 2021 at 09:31
    > *To: *teas@ietf.org <teas@ietf.org>
    > *Subject: *Re: [Teas] I-D Action: 
    > draft-ietf-teas-ietf-network-slice-definition-01.txt
    > 
    > The effort to address the discussion about the term "endpoint" seems to
    > have made things worse, not better.  I would have expected the changes
    > to be deferred until we had WG rough consensus on what the changes
    > should look like.
    > 
    > Yours,
    > Joel
    > 
    > On 2/22/2021 11:21 AM, internet-drafts@ietf.org wrote:
    >  >
    >  > A New Internet-Draft is available from the on-line Internet-Drafts 
    > directories.
    >  > This draft is a work item of the Traffic Engineering Architecture and 
    > Signaling WG of the IETF.
    >  >
    >  >          Title           : Definition of IETF Network Slices
    >  >          Authors         : Reza Rokui
    >  >                            Shunsuke Homma
    >  >                            Kiran Makhijani
    >  >                            Luis M. Contreras
    >  >                            Jeff Tantsura
    >  >        Filename        : 
    > draft-ietf-teas-ietf-network-slice-definition-01.txt
    >  >        Pages           : 17
    >  >        Date            : 2021-02-22
    >  >
    >  > Abstract:
    >  >     This document provides a definition of the term "IETF Network Slice"
    >  >     for use within the IETF and specifically as a reference for other
    >  >     IETF documents that describe or use aspects of network slices.
    >  >
    >  >     The document also describes the characteristics of an IETF network
    >  >     slice, related terms and their meanings, and explains how IETF
    >  >     network slices can be used in combination with end-to-end network
    >  >     slices or independent of them.
    >  >
    >  >
    >  > The IETF datatracker status page for this draft is:
    >  > 
    > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-teas-ietf-network-slice-definition%2F&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=or77wfTDXWlxuu1BpFQ57kWYsDWnzO8iHYJi28d7TRs%3D&amp;reserved=0 
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    > <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-ietf-teas-ietf-network-slice-definition-01&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=Pg51UqXWmM2r3Pk5wduC2ZZeUmWVOTEh0O2dOBXZvCU%3D&amp;reserved=0>
    >  > 
    > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-ietf-teas-ietf-network-slice-definition-01&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=ZHwGbEFZieuTEGiSEhiLWPMTzifAlD2laOkY1K8yXfY%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-ietf-teas-ietf-network-slice-definition-01&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=ZHwGbEFZieuTEGiSEhiLWPMTzifAlD2laOkY1K8yXfY%3D&amp;reserved=0>
    >  >
    >  > A diff from the previous version is available at:
    >  > 
    > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Frfcdiff%3Furl2%3Ddraft-ietf-teas-ietf-network-slice-definition-01&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=YC5q2FkFdDYnah56JR1P2WDxdd7%2FmrIbNwwIkGGFMFk%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Frfcdiff%3Furl2%3Ddraft-ietf-teas-ietf-network-slice-definition-01&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=YC5q2FkFdDYnah56JR1P2WDxdd7%2FmrIbNwwIkGGFMFk%3D&amp;reserved=0>
    >  >
    >  >
    >  > Please note that it may take a couple of minutes from the time of 
    > submission
    >  > until the htmlized version and diff are available at tools.ietf.org.
    >  >
    >  > Internet-Drafts are also available by anonymous FTP at:
    >  > 
    > https://nam11.safelinks.protection.outlook.com/?url=ftp%3A%2F%2Fftp.ietf.org%2Finternet-drafts%2F&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=j5yvOR3EYPwVkzW3lo0%2BA682cY%2BKbskpfAsK%2FLmzfyU%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=ftp%3A%2F%2Fftp.ietf.org%2Finternet-drafts%2F&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=j5yvOR3EYPwVkzW3lo0%2BA682cY%2BKbskpfAsK%2FLmzfyU%3D&amp;reserved=0>
    >  >
    >  >
    >  > _______________________________________________
    >  > I-D-Announce mailing list
    >  > I-D-Announce@ietf.org
    >  > 
    > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fi-d-announce&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=iMPmguoE4ec4hnO4ytAlqrLm1g81h74oR6G%2BpLyck6g%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fi-d-announce&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963055764%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=iMPmguoE4ec4hnO4ytAlqrLm1g81h74oR6G%2BpLyck6g%3D&amp;reserved=0>
    >  > Internet-Draft directories: 
    > https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ietf.org%2Fshadow.html&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963065757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=QBwyDZp1WjjdZskjx0xc7q03odfRlW8%2BhtnXQIDsaG8%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ietf.org%2Fshadow.html&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963065757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=QBwyDZp1WjjdZskjx0xc7q03odfRlW8%2BhtnXQIDsaG8%3D&amp;reserved=0>
    >  > or 
    > https://nam11.safelinks.protection.outlook.com/?url=ftp%3A%2F%2Fftp.ietf.org%2Fietf%2F1shadow-sites.txt&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963065757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=dxaIH5Xc0f3QxLWuJcb4TE7WCuQb6I8AnWuxGifxR8g%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=ftp%3A%2F%2Fftp.ietf.org%2Fietf%2F1shadow-sites.txt&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963065757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=dxaIH5Xc0f3QxLWuJcb4TE7WCuQb6I8AnWuxGifxR8g%3D&amp;reserved=0>
    >  >
    > 
    > _______________________________________________
    > Teas mailing list
    > Teas@ietf.org
    > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fteas&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963065757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=BdXdg%2FRN%2BWoSqPImCR03S%2BeapNj7y608Umo2th%2Ffvuw%3D&amp;reserved=0 
    > <https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Fmailman%2Flistinfo%2Fteas&amp;data=04%7C01%7Ckiranm%40futurewei.com%7Cacbdb7f467f14820d67108d8d757b1f3%7C0fee8ff2a3b240189c753a1d5591fedc%7C1%7C0%7C637496118963065757%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=BdXdg%2FRN%2BWoSqPImCR03S%2BeapNj7y608Umo2th%2Ffvuw%3D&amp;reserved=0>
    > 

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