Re: [Teas] network Slice Endpoint in draft-ietf-teas-ietf-network-slice-definition-00
Uma Chunduri <umac.ietf@gmail.com> Fri, 12 February 2021 00:32 UTC
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References: <cc3949a4-1e60-7f77-45bd-2470be67d9d5@joelhalpern.com> <022001d6fc0e$4facba70$ef062f50$@olddog.co.uk>
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From: Uma Chunduri <umac.ietf@gmail.com>
Date: Thu, 11 Feb 2021 16:32:37 -0800
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To: adrian@olddog.co.uk
Cc: "Joel M. Halpern" <jmh@joelhalpern.com>, TEAS WG <teas@ietf.org>
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Subject: Re: [Teas] network Slice Endpoint in draft-ietf-teas-ietf-network-slice-definition-00
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> I suggest "source/destination" and "IETF network slice ingress/egress". +1 for the above. -- Uma C. On Fri, Feb 5, 2021 at 2:29 PM Adrian Farrel <adrian@olddog.co.uk> wrote: > Ah, the old "endpoint" discussion. > > Yes, Joel is right, we need to disambiguate endpoints from endpoints. > There are traffic endpoints (the sender and receiver of packets), and there > are endpoints of the service (the ingress and egress to the slice). > > There is probably a risk that we get sucked in to the wider 5G picture, but > we need to focus (as Joel says) on the IETF network slice. > > I suggest "source/destination" and "IETF network slice ingress/egress". > > And we can avoid discussion of the wider 5G context, as noted elsewhere in > the draft, by diverting that material into a dedicated document. > > Cheers, > Adrian > > -----Original Message----- > From: Teas <teas-bounces@ietf.org> On Behalf Of Joel M. Halpern > Sent: 05 February 2021 17:04 > To: teas@ietf.org > Subject: [Teas] network Slice Endpoint in > draft-ietf-teas-ietf-network-slice-definition-00 > > Rereading this draft, I realized that I am either confused by or > disagree with the description of the "Network Slice Endpoint" contianed > there. > > > The endpoint that I think matters is the place where the IETF Network > Slice Controller starts controlling the QoS and traffic delivery. The > Controller doesn't care about the identity of the device outside of that. > > Figure 1 in section 4.2 seems to define that endpoint as the network > slice realiation endpoint, and describes the network slice endpoint as > the thing outside the IetF network slice. This seems counter-productive > to me. It complicates teh relationship between the endpoitn and the > service being abstracted. For example, if the service is beign > delivered with MPLS, the Network Slice Endpoint likely can not put the > labels on the packet for the MPLS, as it is outside of the IETF network > Slice. So we will need yet another layer of classification, and yet > more interworking. > Further, someone has to get the queueing right for traffic coming out of > the Network Slice Endpoint. But it is not part of the IETF Network > Slice, so we don't have any way to get it right. > > If we define the edge of the space we care about co-incident with the > edge of the space we influence, things get a lot cleaner. > > Yours, > Joel > > _______________________________________________ > Teas mailing list > Teas@ietf.org > https://www.ietf.org/mailman/listinfo/teas > > _______________________________________________ > Teas mailing list > Teas@ietf.org > https://www.ietf.org/mailman/listinfo/teas >
- [Teas] network Slice Endpoint in draft-ietf-teas-… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel Halpern Direct
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Kiran Makhijani
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Uma Chunduri
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Uma Chunduri
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… tom petch
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Daniele Ceccarelli
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Kiran Makhijani
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Greg Mirsky
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Rokui, Reza (Nokia - CA/Ottawa)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Eric Gray
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Luis M. Contreras
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Luis M. Contreras
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Young Lee
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Young Lee
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Dongjie (Jimmy)
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Shunsuke Homma
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Shunsuke Homma
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Ogaki, Kenichi
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Shunsuke Homma
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Shunsuke Homma
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Shunsuke Homma
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Shunsuke Homma
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Gyan Mishra
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Joel M. Halpern
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Tarek Saad
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Greg Mirsky
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… LUIS MIGUEL CONTRERAS MURILLO
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Tarek Saad
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Tarek Saad
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Adrian Farrel
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Krzysztof Szarkowicz
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… John E Drake
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair
- Re: [Teas] network Slice Endpoint in draft-ietf-t… Krzysztof Szarkowicz
- Re: [Teas] network Slice Endpoint in draft-ietf-t… mohamed.boucadair