Re: [RTG-DIR] Rtgdir early review of draft-ietf-rtgwg-net2cloud-problem-statement-22

[Ines Robles <[e-mail]>]

Hi Linda,

Yes, it is Ok for me.

BR,
Ines

On Fri, Apr 14, 2023 at 1:08 AM Linda Dunbar <[e-mail]>
wrote:

> Ines,
>
> Thanks for the explanation.
>
>
>
> The 5G Edge Clouds and 5G services in the
> draft-ietf-rtgwg-net2cloud-problem-statement is about the edge DCs that
> host services. The document is in the RTGwg only focusing on the IP Data
> Networks (N6 interface) which is outside the 3GPP domain.
>
> Therefore, I am afraid that it will introduce more confusions if the
> document dive into the 3GPP’s Non-standalone deployment (i.e. with  the LTE
> EPC core) vs. standalone deployment (with the distributed UPFs). There are
> much more details by 3GPP specifications.
>
>
>
> What do you think?
>
>
>
> Linda
>
> *From:* Ines Robles <[e-mail]>
> *Sent:* Thursday, April 13, 2023 8:27 AM
> *To:* Linda Dunbar <[e-mail]>
> *Cc:* [e-mail];
> [e-mail]; [e-mail]
> *Subject:* Re: Rtgdir early review of
> draft-ietf-rtgwg-net2cloud-problem-statement-22
>
>
>
> Hi Linda,
>
>
>
> Thank you for addressing my comments. Please find my answer below.
>
>
>
> BR,
>
> Ines.
>
>
>
> On Thu, Apr 13, 2023 at 1:01 AM Linda Dunbar <[e-mail]>
> wrote:
>
>
>
> * Some mitigations include references, but It would be nice to add
> references to all of them.
>
>
>
> [Ines] what do you think about this comment?
>
>
>
> * The mentioned problems and mitigations applies for 5G Standalone and
> Non-Standalone deployments options?
>
> [Linda] The 3GPP’s Edge Computing is for 5G only.
>
> [Ines] Maybe you can add this as clarification, something like "..for
> standalone deployments option...", What do you think?
>
> [Linda] Does “Non-Standalone deployment” indicate mixed 4G and 5G?
>
>
>
> [Ines]  Based on [1] "...the "Non-Stand Alone" (NSA) architecture, where
> the 5G Radio Access Network (AN) and its New Radio (NR) interface is used
> in conjunction with the existing LTE and EPC infrastructure Core Network
> (respectively 4G Radio and 4G Core), thus making the NR technology
> available without network replacement. In this configuration, only the 4G
> services are supported, but enjoying the capacities offered by the 5G New
> Radio (lower latency, etc)...
>
> ...the "Stand-Alone" (SA) architecture, where the NR is connected to the
> 5G CN. Only in this configuration, the full set of 5G Phase 1 services are
> supported...
>
> ... The SA architecture can be seen as the "full 5G deployment", not
> needing any part of a 4G network to operate...."
>
>
>
> Notice that they are several options of deployment, please see [2] [3] [4]
>
>
>
>
>
> Thanks,
>
> Ines.
>
>
>
> [1]
> https://www.etsi.org/deliver/etsi_tr/121900_121999/121915/15.00.00_60/tr_121915v150000p.pdf
>
> [2]  El Rhayour, Amine, and Tomader Mazri. "5G Architecture: Deployment
> scenarios and options." 2019 International Symposium on Advanced Electrical
> and Communication Technologies (ISAECT). IEEE, 2019.
>
> [3]
> https://www.3g4g.co.uk/5G/5Gtech_0004_Beginners_5GforAbsoluteBeginnersCombined.pdf
>
> [4]  https://www.3g4g.co.uk/Training/intermediate0005.pdf
>