Subject: [Teas-ns-dt] Analysis of GSMA's Generic Slice Template attributes and their potential impact on transport side

From: LUIS MIGUEL CONTRERAS MURILLO <[email-masked]>
Date: Mon, 7 Oct 2019 16:06:43 +0000

Hi all,

As agreed during the call today, please find enclosed:

·         The GSMA document describing the generic slice template (GST). This input is being considered by 3GPP SA5 with a working item focused on providing correspondence between GSMA GST and 3GPP ServiceProfile. The GST comprises a number of attributes (and sub-attributes) that are expected to be filled up after a customer request for a slice provision. In GSMA terminology a GST filled with values is a NEtwork Slice Type (NEST).

·         An excel sheet with a preliminary exercise (from me and my colleague Jose in cc) analyzing which of the attributes considered in the GST could have some impact on the transport side. For that we have structured the potential impacts as:

o   Direct impact, when we understand that there could be some direct translation from the attribute as filled by the customer and some specific requirement to be satisfied by the transport network

o   Indirect impact, when the impact in transport comes after processing such attribute

o   No impact, when we do not foresee any impact in the transport side for a given attribute

Including some comment per attribute when required. Apart from that, the analysis tries to (roughly) identify IETF-related topics affected (e.g., QoS, TE, etc) without a mapping to specific WGs (yet).

The idea then is to collect views from the team in this analysis and reach an agreement in which attributes from this kind of templates can effectively impact on the transport network from requests that could come from a NBI.

I volunteer on aggregating the different individual views and maintaining a kind of master file for further iterations.

Thanks in advance

Luis

__________________________________
Luis M. Contreras

Technology and Planning
Transport, IP and Interconnection Networks
Telefónica I+D / Global CTIO unit / Telefónica

Distrito Telefónica, Edificio Sur 3, Planta 3
28050 Madrid
España / Spain

Skype (Lync): +34 91 312 9084
Mobile: +34 680 947 650
[email-masked]<mailto:[email-masked]>

________________________________

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