# Slicer's existing architecture

**URL:** <https://discourse.slicer.org/t/slicers-existing-architecture/34732>\
**Category:** Development\
**Created:** [March 6, 2024, 4:35am UTC](https://discourse.slicer.org/t/slicers-existing-architecture/34732 "2024-03-06T04:35:17Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Post date:** [March 7, 2024, 12:09pm UTC](https://discourse.slicer.org/t/slicers-existing-architecture/34732/5 "2024-03-07T12:09:37Z")

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There are plans to ultimately switch to Zlib-ng for some performance improvements. See this former thread that might be related to your topic.

> [@Parallel zip library for Slicer](https://discourse.slicer.org/t/parallel-zip-library-for-slicer/33290/3):
>
> As a drop-in replacement, we have plan to switch zlib with zlib-ng. See [COMP: Switch to modern maintained zlib-ng fork of zlib by jamesobutler · Pull Request #6708 · Slicer/Slicer · GitHub](https://github.com/Slicer/Slicer/pull/6708) Instead of transitioning to fastzip (currently unmaintained), we will likely add support for [GitHub - facebook/zstd: Zstandard - Fast real-time compression algorithm](https://github.com/facebook/zstd)

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