# Introduction

The VAST NFS package provides a modified version of the Linux NFS client and server kernel code stacks designed to be built for a large range of kernel versions, with support for additional stack features.

It contains backported upstream NFS stack code from **Linux v6.6.x LTS**
kernel branch. This allows older kernels to receive the full
functionality of newer NFS stack code.  See [kernels support](build/kernels.md). The package applies
also to older kernels too but with less functionality (legacy VAST NFS).

As a source package, it can be built and used for all the modern architectures
that Linux supports: Intel (x86-64), AArch64 (ARM64), RISC-V, POWER (ppc64el),
s390x, and more.

## Features

- NFS stack improvements and fixes
- Multipath support for NFSv3
- Multipath support for NFSv4.1 (not for legacy kernels)
- Nvidia GDS integration
