===== P4 Dokumentation =====

P4 ist ein hardware-abhängiger Sprachstandard. Es existieren verschiedene HW- und Software Targets:

  * The **BMv2 Simple Switch** target: https://github.com/p4lang/behavioral-model/blob/main/docs/simple_switch.md
  * **v1model**: https://github.com/p4lang/p4c/blob/main/p4include/v1model.p4
  * https://sdn.systemsapproach.org/switch.html - **Software-Defined Networks: A Systems Approach**


==== Language Specificaion: ====

  * https://p4.org/p4-spec/docs/PSA.html

==== Tutorials, usw.: ====

  * https://hikingandcoding.wordpress.com/2019/09/17/getting-started-with-p4/ - **Getting Started**
  * https://github.com/p4lang/education/blob/master/GettingStarted.md - **P4 Language Documentation - Getting Started**
  * https://github.com/nsg-ethz/p4-learning/wiki/ -  **P4-Learning Documentation**

  * https://github.com/jafingerhut/p4-guide
  * https://github.com/p4lang/tutorials

==== Videos: ====

  * https://www.youtube.com/watch?v=pk_s53l6-Ec - **P4 Tutorial (Nanog 75)**
  * https://www.youtube.com/watch?v=uzOnogVzYdI - **P416 Programming for Intel Tofino Using Intel P4 Studio - Vladimir Gurevich & Andy Fingerhut, Intel**

===== Spezialthemen: =====

==== Packet-Recirculation ====

//**v1Model - alter Ansatz**// ''clone3'' (vor Dez. 2021):
  * https://carolinafernandez.github.io/development/2019/08/06/Recurrent-processing-in-P4
  * http://csie.nqu.edu.tw/smallko/sdn/p4-clone.htm

//**v1Model - neuer Ansatz**// ''clone_preserving_field_list'' (aktuell):
  * https://github.com/jafingerhut/p4-guide/tree/master/v1model-special-ops
==== Control Plane ====

  * https://github.com/nsg-ethz/p4-learning/wiki/Control-Plane
  * https://github.com/p4lang/tutorials/blob/master/exercises/p4runtime/mycontroller.py

==== MAC Learning Switch ====

  * https://2021-cs344.github.io/deliverables/tutorial-exercises/
    * https://github.com/2021-cs344/maclearning-exercise/blob/master/maclearning.p4app/l2switch.p4
  * https://github.com/nsg-ethz/p4-learning/tree/master/examples/l2_learning