# About the Architecture Working Group category

**URL:** <https://forum.p4.org/t/about-the-architecture-working-group-category/39>\
**Category:** Architecture Working Group\
**Created:** [May 5, 2021, 10:37pm UTC](https://forum.p4.org/t/about-the-architecture-working-group-category/39 "2021-05-05T22:37:49Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![judysnow](https://avatars.discourse-cdn.com/v4/letter/j/bb73d2/32.png) [@judysnow](https://forum.p4.org/u/judysnow)\
**Post date:** [May 5, 2021, 10:37pm UTC](https://forum.p4.org/t/about-the-architecture-working-group-category/39/1 "2021-05-05T22:37:49Z")

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The Architecture Working Group publishes the Portable NIC Architecture (PNA) and Portable Switch Architecture (PSA).

PNA [repository](https://github.com/p4lang/pna)  
PSA [repository](https://github.com/p4lang/p4-spec/tree/main/p4-16/psa)