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SP-PIFO: Approximating Push-In First-Out Behaviors
using Strict-Priority Queues

This repository contains the code used in SP-PIFO, which was presented at NSDI'20.

What can I find in this repo?

  • java_code contains the Java-based implementation of SP-PIFO, which is built on top of NetBench. We have used this implementation to evaluate SP-PIFO performance when approximating well-known scheduling objectives under realistic traffic workloads. This is the code used for the evaluation in Section 4.2, Section 6.1 and Appendix A.

  • p4_code contains the P4_16 code to run SP-PIFO on programmable switches.
    The code can be directly deployed on a software switch (e.g., P4 behavioral model in Mininet), or adapted to be executed on a hardware switch (e.g., Barefoot Tofino). This is the code used to make the plots of Section 6.2.

Contact

Please, send us an e-mail to: galberto@ethz.ch or adietmue@ethz.ch,

  • If you are interested in collaborating with the project.
  • If you are having issues when trying to run the experiments described on the paper.
  • If you happen to find a bug.
  • If you have any other question or concern :)