Has virtualization become obsolete in 5G?

Djamel Sadok jamel at cin.ufpe.br
Tue Aug 4 14:46:59 UTC 2020


How about hardware slicing support? such as switch, server and router
slicing? is this supported/desirable?

Djamel


On Tue, Aug 4, 2020 at 11:37 AM Etienne-Victor Depasquale <edepa at ieee.org>
wrote:

> I think that it's validation of QoS that really matters now.
>
> If I were to base on this recent video from Keysight
> <https://www.keysight.com/zz/en/events/america/webinars.html?D2C=2036435&isSocialSharing=Y&partnerref=emailShareFromGateway> (warning:
> requires registration),
> then it seems that there's a lot of emphasis on making grounded claims
> about the QoS that the operator sells.
>
> Cheers,
>
> Etienne
>
> On Mon, Aug 3, 2020 at 12:52 PM Mark Tinka <mark.tinka at seacom.com> wrote:
>
>>
>>
>> On 3/Aug/20 08:40, Etienne-Victor Depasquale wrote:
>>
>> Is the following extract from this Heavy Reading white paper
>> <https://www.infinera.com/wp-content/uploads/HR-Operator-Strategies-for-5G-Transport-July-2020_WP.pdf>,
>> useful?
>>
>> " For transport network slicing,
>> operators strongly prefer soft slicing with virtual private networks
>> (VPNs),
>> regardless of the VPN flavor.
>> Ranking at the top of the list was Layer 3 VPNs (selected by 66% of
>> respondents),
>> but Layer 2 VPNs, Ethernet VPNs (EVPNs), and segment routing
>> also ranked highly at 47%, 46%, and 46%, respectively.
>> The point is underscored by the low preferences among all of the hard
>> slicing technologies—
>> those that physically partition resources among slices.
>> Hard slicing options formed the bottom tier among preferences."
>>
>>
>> Well, it's what I've been saying - we have tried & tested systems and
>> solutions that are already native to IP/MPLS networks. Why try to reinvent
>> network virtualization when there are plenty of existing solutions in the
>> wild for next to cheap? VLAN's. l2vpn's. l3vpn's. EVPN. DWDM. And all the
>> rest?
>>
>> The whole fuss, for example, about the GRX vs. IPX all came down to 2Mbps
>> private or public IP-based GTP tunnels vs. 100Mbps l3vpn's.
>>
>> Mobile operators know how to make everyday protocols seem overly
>> complicated.
>>
>> If we go by their nomenclature, the simple operators on this list have
>> been slicing infrastructure for yonks :-).
>>
>> 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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