David,What you need to do is write an application rather than modify Ryu code. You can start by reading the Ryu documentation. Regards, MaenSent from my Samsung Galaxy smartphone. -------- Original message --------From: David Da Costa <davda...@student.ltu.se> Date: 2020-05-15 6:08 a.m. (GMT-04:00) To: ryu-devel@lists.sourceforge.net Subject: [Ryu-devel] Learning how to modify behavior in Ryu Hello, I'm sorry if this is the wrong place to ask this but I'm struggling to find any relevant information for my question.I'm currently working on my thesis and I'm supposed to investigate the use of SDN with edge computing. I would like to learn how to manage QoS using Ryu, just something very simple. Is there any beginner's guide anywhere for this kind of thing? I've looked through the source code and find all the interconnected parts of Ryu a bit confusing and don't really know where to start with modifying it.Thanks in advance.Regards,David
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