Re: [gaia] [Stackevo-discuss] 5G: It's the Network, Stupid

Dirk Kutscher <Dirk.Kutscher@neclab.eu> Thu, 17 December 2015 10:18 UTC

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From: Dirk Kutscher <Dirk.Kutscher@neclab.eu>
To: Michael Welzl <michawe@ifi.uio.no>
Thread-Topic: [gaia] [Stackevo-discuss] 5G: It's the Network, Stupid
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Date: Thu, 17 Dec 2015 10:10:30 +0000
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Subject: Re: [gaia] [Stackevo-discuss] 5G: It's the Network, Stupid
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> > Regarding security, unless we want to introduce “trusted middleboxes”,
> 
> Why not?

No e2e security.

That may be OK for some use cases, like IoT or home GWs, but could be less convincing for accessing public network services -- for example, if you extend the network with multiple hops of device-to-device communication, data mules etc.

Dirk

> 
> 
> > object encryption and authentication seems to be the way. Of course there are
> other challenges for that, too – key management for example.
> >
> > --
> > Dirk
> >
> > From: crowcroft@gmail.com [mailto:crowcroft@gmail.com] On Behalf Of Jon
> Crowcroft
> > Sent: Donnerstag, 17. Dezember 2015 08:57
> > To: Dirk Kutscher
> > Cc: dtn-interest@irtf.org; stackevo-discuss@iab.org; icnrg@irtf.org; gaia;
> marnew@iab.org; 5gangip@ietf.org
> > Subject: Re: [gaia] 5G: It's the Network, Stupid
> >
> > Great article...one thing about the 4g..5g evolution is increasing cooperation
> in forwarding and relaying signal, bits, packets (shared cell tower/base
> station/antennae across provider). So direct,mesh,adhoc stop just being edge
> notions, but are all first class part of the architecture ("don't fear the edge").
> There is huge tension between this trend, and e2e security....I have not seen
> anyone address how to resolve that tension...
> >
> > On 16 Dec 2015 6:42 pm, "Dirk Kutscher" <Dirk.Kutscher@neclab.eu> wrote:
> > [apologies for cross-posting]
> >
> > Hi,
> >
> > I have written up a few thoughts on current discussions around 5G and
> network evolution. I might publish this as paper later, but wanted to get it out
> early and ask for comments – so would be grateful for any feedback. It’s not
> very polished and slightly long, but hopefully understandable enough. Take it as
> a “position paper” for now.
> >
> > Abstract:
> > Current 5G network discussion are often focusing on providing more
> comprehensive and integrated orchestration and management functions in
> order to improve “end-to-end” managebility and programmability, derived from
> NGMN and similar requirements. While these are important challenges, this
> memo takes the perspective that in order to arrive at a more powerful network,
> it is important to understand the pain points and the reasons for certain design
> choices of today’s networks. Understanding the drivers for traffic management
> systems, middleboxes, CDNs and other application-layer overlays should be
> taken as a basis for analyzing 5G uses cases and their requirements. In this
> memo, I am making the point that many of today’s business needs and the
> ambitious 5G use cases do call for a more powerful data forwarding plane,
> taking ICN as an example. Features of such a forwarding plane would include
> better support for heterogeneous networks (access networks and whole
> network deployments), multi-path communication, in-network storage and
> implementation of operator policies. This would help to avoid overlay silos and
> finally simplify network management.
> >
> > http://dirk-kutscher.info/posts/5g-its-the-network-stupid/
> >
> > Thanks,
> > Dirk
> >
> >
> > _______________________________________________
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> > gaia@irtf.org
> > https://www.irtf.org/mailman/listinfo/gaia
> >
> > _______________________________________________
> > Stackevo-discuss mailing list
> > Stackevo-discuss@iab.org
> > https://www.iab.org/mailman/listinfo/stackevo-discuss
> 
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