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Re: [Apn] why it is necessary to differentiate the security concern for 5G Vertical Networks from the grand Internet ( was RE: Application-Aware Networking (APN) focused interim

Michael Richardson <mcr+ietf@sandelman.ca> Sat, 05 June 2021 17:41 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Linda Dunbar <ldunbar@futurewei.com>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "apn@ietf.org" <apn@ietf.org>
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Subject: Re: [Apn] why it is necessary to differentiate the security concern for 5G Vertical Networks from the grand Internet ( was RE: Application-Aware Networking (APN) focused interim
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Linda Dunbar <ldunbar@futurewei.com> wrote:
    > I meant to say that APN is useful in those "Closed Loop Networks",
    > which are becoming more common for the 5G enabled special services.

So what parts of the Close Loop Network needs standards work?

    > The "end user" or services that need APN are the one who have special
    > contracts with the operators. Not all services.

I'm rather convinced that you could use RSVP+Diffserv (aka "diffedge") to do
this then.  diffedge did not, AFAIK, ever make it out of ID.
     https://www.ietf.org/archive/id/draft-bernet-diffedge-01.txt

While Joel mentioned many things that made "Intserv" (just RSVP) undeployable
in the Internet, it was deployable within Enterprises, and there are now 20+
years of improvements to forwarding plane and control plane CPUs.
Given that you have a closed environment, it seems like diffedge + SDN ought
to do what you want.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

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