Sep 14, 2025 · A place to discuss the P4 Programming Language and Ecosystem

Feb 23, 2022 · The P4 16 language version (this is a perception more than a fact) seems to have put the PISA term aside. P4 16 also required the “architecture” concept (like V1Model) so the concept of …

Apr 2, 2023 · A P4 register is in some ways better named an “array”, if that makes it more familiar to you. It is an array of values, all with the same type. A read operation retrieves the value stored in the …

May 14, 2022 · Hi, can someone plz explain how do tables work and what is the relation between key and actions?

Sep 5, 2023 · Hi everybody. I’m new with P4 and I’m wondering if it’s possible to run a P4 program inside a docker container. I tried the GitHub - cslev/p4-bmv2-docker: P4 BMV2 docker container and …

Nov 17, 2022 · Secondly，I installed this app in ONOS and activated it，At the same time, I started running Stratum on the P4 switch (Wedge 100BF-barefoot tofino),Thirdly,I wrote the netcfg.json file …

Oct 13, 2023 · Hello everyone, Good morning and hope you all are doing well. Since I was implementing an IPv4 checksum, I had to understand or see what was getting stored inside my intermediate …

Jun 27, 2021 · Pick one of these: (a) I have an existing Ubuntu 16.04, 18.04, or 20.04 Linux system, and I want to install the open source P4 development tools on it (b) I am comfortable downloading and …

Dec 28, 2024 · The P4_16 language spec includes a sample P4_16 architecture, called “Very Simple Switch Architecture” to illustrate the necessary points. PSA, PNA, v1model, TNA, T2NA and a …

Nov 7, 2024 · We want to use P4 for CPS applications and are in the process of purchasing two Tofino2 switches. For that, I recently applied for the Intel Connectivity Research Program to obtain the Intel …