Has virtualization become obsolete in 5G?

Etienne-Victor Depasquale edepa at ieee.org
Tue Aug 4 15:40:51 UTC 2020


>
> PS. All of the current attempts to turn IP statistical multiplexing into
> network slicing or deterministic networks are far from scale or practical
> deployments (IMO).
>

Wow, that's quite a statement (I'm not disparaging, just surprised).

Etienne

On Tue, Aug 4, 2020 at 5:37 PM Robert Raszuk <robert at raszuk.net> wrote:

>
> >   I doubt we want to move away from those concepts.
>
> I think we all do - except technology is not there yet. Just imagine if
> over a single piece of fiber you will get infinite bandwidth delivered over
> unlimited modulation frequency spectrum  ...
>
> IMHO till real true optical switching is a commodity we are stuck with
> statistical multiplexing.
>
> But optimistically I think time will come when you will be able to
> setup end to end optical paths in true any to any fashion with real end to
> end resource guarantees. Then next generations will be looking at current
> routers like we look today at strowger telephone switches  :)
>
> Cheers,
> R.
>
> PS. All of the current attempts to turn IP statistical multiplexing into
> network slicing or deterministic networks are far from scale or practical
> deployments (IMO).
>
>
>
> On Tue, Aug 4, 2020 at 5:18 PM Mark Tinka <mark.tinka at seacom.com> wrote:
>
>>
>>
>> On 4/Aug/20 16:56, Etienne-Victor Depasquale wrote:
>>
>> > The survey I pointed to suggests that hard slicing is the least
>> > preferred option among survey respondents.
>>
>> That's because the very nature of DWDM, Ethernet, IP, MPLS and VM's is
>> all about re-using the same infrastructure over and over again for it to
>> make commercial sense.
>>
>> I doubt we want to move away from those concepts.
>>
>> We rely on many services today delivered over the public Internet that
>> virtualize and still perform. Even good ol' video streaming, which was
>> predicted to break the Internet.
>>
>> So not sure what applications are driving the demand for "greater QoS"
>> on 5G networks, in real terms.
>>
>> Mark.
>>
>

-- 
Ing. Etienne-Victor Depasquale
Assistant Lecturer
Department of Communications & Computer Engineering
Faculty of Information & Communication Technology
University of Malta
Web. https://www.um.edu.mt/profile/etiennedepasquale
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