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diff --git a/docs/vpp/description.rst b/docs/vpp/description.rst deleted file mode 100644 index 8481bfe9..00000000 --- a/docs/vpp/description.rst +++ /dev/null @@ -1,97 +0,0 @@ -:lastproofread: 2026-02-16 - -.. _vpp_description: - -.. include:: /_include/need_improvement.txt - -######################### -VPP Dataplane Description -######################### - -What is VPP in VyOS? -==================== - -VyOS supports two packet forwarding dataplanes: - -- **Linux kernel dataplane** (traditional) -- **Vector Packet Processor (VPP) dataplane** (optional) - -VPP is a high-performance user space packet processor that improves -throughput for demanding network workloads. - -Key Benefits -============ - -**Performance Improvement** - -VPP uses vector-based packet processing instead of one-by-one handling, -delivering: - -- **Higher throughput** compared to kernel forwarding. -- **Lower and more consistent latency** for time-sensitive applications. -- **Linear scaling** with additional CPU cores. - -**VyOS Hybrid Integration** - -VyOS supports both dataplanes simultaneously, providing: - -- **Cross-dataplane forwarding**: Traffic can flow between the VPP dataplane - and kernel interfaces seamlessly. -- **Transparent configuration**: Same CLI commands and most services work - regardless of dataplane. -- **Gradual migration**: Enable VPP on high-traffic interfaces while keeping - others on kernel. - -When to Use VPP -=============== - -**Consider VPP if you have:** - -- High-throughput requirements -- Latency-sensitive applications requiring consistent performance - -**Stay with kernel dataplane if you have:** - -- Low to moderate traffic volumes -- No latency-sensitive workloads -- Applications requiring specific features not supported by VPP Dataplane - -Packet Processing Integration -============================= - -VPP Dataplane integration minimizes configuration changes. Features in the -kernel dataplane continue to operate there. VPP Dataplane only handles packet -forwarding for interfaces explicitly assigned to it. - -Traffic flow examples between VPP and kernel dataplane interfaces: - -.. image:: /_static/images/vpp/vyos_vpp_integration.svg - :align: center - -Green path -"""""""""" - -Traffic between two VPP interfaces stays within VPP for maximum performance -and can use only VPP dataplane features. - -Blue path -""""""""" - -Traffic between a VPP interface and a kernel interface is processed by both -dataplanes and can use features from both. - -**Note:** This path has slower performance than pure VPP or pure kernel -forwarding because packets traverse both dataplanes. - -Red path -"""""""" - -Traffic between two kernel interfaces stays within the kernel dataplane without -VPP acceleration. This is the traditional VyOS dataplane operation. - - -CLI Integration -=============== - -VyOS CLI commands work with both dataplanes. Use the same commands to -configure interfaces, routing, and other features regardless of the dataplane. |
