docs: what is vpp and features and performance
Change-Id: I5a9ae39ed0429b3de001b5109268d577a281cd46 Signed-off-by: Scott Keeler <skeeler@cisco.com>
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Scott Keeler
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Damjan Marion
Damjan Marion
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Control Plane
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=============
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This section identifies the features associated with Control Plane:
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* DHCP client/proxy
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* DHCPv6 Proxy
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Features
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========
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The table below identifies different features that are associated to VPP. To see more details about a specific feature, just click the hyperlink associated to the feature noted in the table below.
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.. rst-class:: center-align-table
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+-------------------------+-----------+-----------+
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Layer 2
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=======
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This section identifies the features associated with Layer 2:
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MAC Layer
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---------
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* Ethernet
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Layer 3
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=======
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This section identifies the features associated with Layer 3:
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IP Layer
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--------
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* ICMP
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=======
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Layer 4
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=======
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This section identifies the features associated with Layer 4:
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* Session:
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- connectionless transports
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- datagram reception and transmission
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* TCP: congestion control
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* UDP: datagram mode
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* TLS async support
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Plugins
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=======
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This section identifies the features associated with Plugins:
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* iOAM
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Traffic Management
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==================
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This section identifies the features associated with Traffic Management:
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IP Layer Input Checks
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---------------------
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* Source Reverse Path Forwarding
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@@ -51,5 +53,5 @@ COP
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MAC/IP Pairing
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--------------
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(security feature).
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Security feature
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Tunnels
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=======
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This section identifies the features associated with Tunnels:
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Layer 2
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-------
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* L2TP
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Overview
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^^^^^^^^
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One of the benefits of FD.io VPP, is high performance on relatively low-power computing, this performance is based on the following features:
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One of the benefits of FD.io VPP is high performance on relatively low-power computing, this performance is based on the following features:
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* A high-performance user-space network stack designed for commodity hardware.
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* A high-performance user-space network stack designed for commodity hardware:
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- L2, L3 and L4 features and encapsulations.
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* Optimized packet interfaces supporting a multitude of use cases.
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* Optimized packet interfaces supporting a multitude of use cases:
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- An integrated vhost-user backend for high speed VM-to-VM connectivity.
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- An integrated memif container backend for high speed Container-to-Container connectivity.
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- An integrated vhost based interface to punt packets to the Linux Kernel.
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- An integrated vhost-user backend for high speed VM-to-VM connectivity
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- An integrated memif container backend for high speed Container-to-Container connectivity
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- An integrated vhost based interface to punt packets to the Linux Kernel
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* The same optimized code-paths run execute on the host, and inside VMs and Linux containers.
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* Leverages best-of-breed open source driver technology: `DPDK <https://www.dpdk.org/>`_.
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* Tested at scale; linear core scaling, tested with millions of flows and mac addresses.
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* The same optimized code-paths run execute on the host, and inside VMs and Linux containers
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* Leverages best-of-breed open source driver technology: `DPDK <https://www.dpdk.org/>`_
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* Tested at scale; linear core scaling, tested with millions of flows and mac addresses
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These features have been designed to take full advantage of common micro-processor optimization techniques, such as:
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* Reducing cache and TLS misses by processing packets in vectors.
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* Realizing `IPC <https://en.wikipedia.org/wiki/Instructions_per_cycle>`_ gains with vector instructions such as: SSE, AVX and NEON.
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* Eliminating mode switching, context switches and blocking, to always be doing useful work.
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* Cache-lined aliged buffers for cache and memory efficiency.
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* Reducing cache and TLS misses by processing packets in vectors
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* Realizing `IPC <https://en.wikipedia.org/wiki/Instructions_per_cycle>`_ gains with vector instructions such as: SSE, AVX and NEON
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* Eliminating mode switching, context switches and blocking, to always be doing useful work
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* Cache-lined aliged buffers for cache and memory efficiency
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Packet Throughput Graphs
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^^^^^^^^^^^^^^^^^^^^^^^^
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These are some of the packet throughput graphs for FD.io VPP 18.04 from the CSIT `18.04 benchmarking report <https://docs.fd.io/csit/rls1804/report/>`_.
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These are some of the packet throughput graphs for FD.io VPP 18.04 from the CSIT `18.04 benchmarking report <https://docs.fd.io/csit/rls1804/report/>`_:
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.. toctree::
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@@ -45,7 +45,7 @@ These are some of the packet throughput graphs for FD.io VPP 18.04 from the CSIT
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Trending Throughput Graphs
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^^^^^^^^^^^^^^^^^^^^^^^^^^
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These are some of the trending packet throughput graphs from the CSIT `trending dashboard <https://docs.fd.io/csit/master/trending/introduction/index.html>`_. **Please note that**, performance in the trending graphs will change on a nightly basis in line with the software development cycle.
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These are some of the trending packet throughput graphs from the CSIT `trending dashboard <https://docs.fd.io/csit/master/trending/introduction/index.html>`_. **Please note that**, performance in the trending graphs will change on a nightly basis in line with the software development cycle:
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.. toctree::
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@@ -58,14 +58,14 @@ For More information on CSIT
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The FD.io CSIT is implemented with below platforms:
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* - x86/64
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* - ARM-AArch64
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* x86/64
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* ARM-AArch64
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* - Huawei TaiShan 2280
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* - Marvell MACCHIATObin
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* Huawei TaiShan 2280
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* Marvell MACCHIATObin
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These are FD.io Continuous System Integration and Testing (CSIT)'s documentation links.
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These are FD.io Continuous System Integration and Testing (CSIT)'s documentation links:
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* `CSIT Code Documentation <https://docs.fd.io/csit/master/doc/overview.html>`_
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* `CSIT Test Overview <https://docs.fd.io/csit/rls1804/report/introduction/overview.html>`_
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Architectures and Operating Systems
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***********************************
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The following architectures and operating systems are supported in VPP:
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Architectures
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-----------------------
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* - The FD.io VPP platform supports:
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* The FD.io VPP platform supports:
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* - x86/64
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* - ARM-AArch64
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* x86/64
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* ARM-AArch64
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Operating Systems and Packaging
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-------------------------------
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@@ -19,9 +21,9 @@ Operating Systems and Packaging
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FD.io VPP supports package installation on the following
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recent LTS operating systems releases:
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* - Operating Systems:
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* Operating Systems:
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* - Debian
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* - Ubuntu
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* - CentOS
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* - OpenSUSE
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* Debian
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* Ubuntu
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* CentOS
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* OpenSUSE
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