[mat-wg] Contribution submission for MAT WG at RIPE86

Dear Nina, Massimo and Stephen
My name is Marco Polverini, an assistant professor at Sapienza University
of Rome.
I would like to submit the following proposal to be presented at the next
MAT WG.
This work has been accepted to be presented at the IEEE NOMS 23 (
https://noms2023.ieee-noms.org/). Attached to this email you can find the
original paper (in case you need further details about the topic of the
presentation I would like to do).
Thanks

Marco

*Title:* A Digital Twin based Framework to Enable "What-If" Analysis in BGP
Optimization

*Outline of the speech:*
- introduction and motivation: in this talk we aim to introduce a framework
for the creation of Digital Twins of Autonomous Systems in order to enable
the execution of "what if" analysis in the context of inter domain routing
optimization
- background on digital twins: this section is to introduce the basic
terminology and concepts on Digital Twins
- presentation of the proposed framework: in this section we provide an
overview of the architecture of the proposed framework and detail the
responsibilities of each functional block
- proof of concept: a simple proof of concept is presented, with the aim of
showing the effectiveness of the proposal
- conclusion and future work

*Abstract:*
Nowadays, inter domain routing optimization is performed based on the so
called "Tweak and Pray" approach, which consists in performing changes in
the configuration of the BGP protocol without knowing in advance the
consequences of such a modification.
This is due to the lack of cooperation among Network Operators in the
configuration of the BGP to optimize the inter domain routing.
Inefficiency in the resource usage, network anomalies and outages are
common consequences of wrong configuration changes performed by Network
Operators in an attempt to improve the performance of their infrastructures.
In this paper we propose a novel framework based on the Digital Twin
technology to enable the execution of "what-if" analysis in the context of
Traffic Engineering performed by tuning BGP parameters.
Such a paradigm shift will allow Network Operators to be aware of the
effects of BGP configuration changes before their actual execution.
A proof of concept related to the balancing of inbound traffic in an
Autonomous System network, based on the use of the AS Path Prepending
technique, is realized to validate the feasibility of the proposed approach.
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