..  SPDX-License-Identifier: BSD-3-Clause
    Copyright(c) 2010-2014 Intel Corporation
    Copyright(c) 2019 Nippon Telegraph and Telephone Corporation

.. _spp_overview_overview:

Overview
========

`Soft Patch Panel
<http://dpdk.org/browse/apps/spp/>`_
(SPP) is a DPDK application for providing switching
functionality for Service Function Chaining in
NFV (Network Function Virtualization).

.. figure:: ./images/overview/spp_overview.*
    :width: 95%

    SPP overview

With SPP, user is able to configure network easily and dynamically
via simple patch panel like interface.

The goal of SPP is to easily interconnect NFV applications via high
thoughput network interfaces provided by DPDK and change configurations
of resources dynamically to applications to build pipelines.