PATHspider: A programmable network transparency meter

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Description In today's Internet we see an increasing deployment of middleboxes. While middleboxes provide in-network functionality that is necessary to keep networks manageable and economically viable, any packet mangling — whether essential for the needed functionality or accidental as an unwanted side effect — makes it more and more difficult to deploy new protocols or extensions of existing protocols.

For the evolution of the protocol stack, it is important to know which network impairments exist and potentially need to be worked around. While classical network measurement tools are often focused on absolute performance values, PATHspider performs A/B testing between two different protocols or different protocol extensions to perform controlled experiments of protocol-dependent connectivity problems as well as differential treatment.

Slides https://github.com/irl/33c3-pathspider
Website(s) https://pathspider.net/
Tags internet, measurement, research
Person organizing Irl
Contact: irl@fsfe.org
Language en - English
en - English
Duration 5
Desired session Day 2
Desired timeframe end

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