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Author(s) Olivier Bonaventure
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Packet classification

Packet classification is one of the key elements of a routers to implement traffic control techniques.

As an example, let us consider an IPv6 packet such as the following one :

https://inginious.info.ucl.ac.be/course/lingi2142-QCM/Classification/pkt.png
Question 1: L2 classification

What are the fields of the packet that you can match if you want to implement Layer-2 classification ?

Question 2: L3 classification

What are the fields of the packet that you can match if you want to implement Layer-3 classification ?

Question 3: L4 classification

What are the fields of the packet that you can match if you want to implement Layer-4 classification ?

Question 4: Application layer classification

What are the fields of the packet that you can match if you want to implement application-level (or layer 7) classification ?