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research survey on Segment Routing (SR-MPLS) traffic engineering practices


From: Dekinder Florian via NANOG <nanog () lists nanog org>
Date: Wed, 19 Aug 2026 09:33:18 +0000

Dear colleagues,

I am conducting a research survey on Segment Routing (SR-MPLS) traffic engineering practices in operational networks, 
as part of an ongoing measurement study at the University of Liège (Belgium).
Our work builds on AReST, a methodology we developed to detect and characterize SR-MPLS tunnels from external 
traceroute measurements (paper: https://orbi.uliege.be/bitstream/2268/337150/1/paper.pdf — code: 
https://gitlab.uliege.be/segment-routing). The goal of this survey is to complement our external measurements with 
first-hand operational insight from network engineers and architects.
If you are involved in the design, deployment, or operation of SR-MPLS in your network, I would greatly appreciate your 
input. The survey takes approximately 5 minutes and all responses will be kept strictly anonymized in any publication.
Thank you for your time — every response helps, even if your deployment is limited or in early stages.

Best regards,

Florian Dekinder
Contact: florian.dekinder () uliege be<mailto:florian.dekinder () uliege be>

Link: https://forms.gle/2zPxABc2ZwL4Uxmn9

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