Your opinion on network analysis in the presence of uncertain events

Tue Jan 15 19:27:28 UTC 2019

I took the survey. It’s short and sweet — well done!

I do have a question. You ask "Are there any good?” Any good what?

 -mel

On Jan 15, 2019, at 10:59 AM, Vanbever Laurent <lvanbever at ethz.ch<mailto:lvanbever at ethz.ch>> wrote:

Hi NANOG,

Networks evolve in uncertain environments. Links and devices randomly fail; external BGP announcements unpredictably appear/disappear leading to unforeseen traffic shifts; traffic demands vary, etc. Reasoning about network behaviors under such uncertainties is hard and yet essential to ensure Service Level Agreements.

We're reaching out to the NANOG community as we (researchers) are trying to better understand the practical requirements behind "probabilistic" network reasoning. Some of our questions include: Are uncertain behaviors problematic? Do you care about such things at all? Are you already using tools to ensure the compliance of your network design under uncertainty? Are there any good?

We designed a short anonymous survey to collect operators answers. It is composed of 14 optional questions, most of which (13/14) are closed-ended. It should take less than 10 minutes to complete. We expect the findings to help the research community in designing more powerful network analysis tools. Among others, we intend to present the aggregate results in a scientific article later this year.

It would be *terrific* if you could help us out!

Survey URL: https://goo.gl/forms/HdYNp3DkKkeEcexs2

Thanks much!

Laurent Vanbever, ETH Zürich

PS: It goes without saying that we would also be extremely grateful if you could forward this email to any operator you know and who may not read NANOG.

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