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+.. This work is licensed under a Creative Commons Attribution 4.0 International
+.. License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) OPNFV, Intel Corporation and others.
+
+
+.. _DPDK: http://dpdk.org/doc/nics
+.. _DPDK-pktgen: https://github.com/Pktgen/Pktgen-DPDK/
+.. _SRIOV: https://wiki.openstack.org/wiki/SR-IOV-Passthrough-For-Networking
+.. _PORTSEC: https://wiki.openstack.org/wiki/Neutron/ML2PortSecurityExtensionDriver
+.. _here: https://wiki.opnfv.org/vtc
+
+
+============================
+Apexlake Installation Guide
+============================
+
+Abstract
+--------
+
+ApexLake is a framework that provides automatic execution of experiments and
+related data collection to enable a user validate infrastructure from the
+perspective of a Virtual Network Function (:term:`VNF`).
+
+In the context of Yardstick, a virtual Traffic Classifier (:term:`VTC`) network
+function is utilized.
+
+
+Framework Hardware Dependencies
+===============================
+
+In order to run the framework there are some hardware related dependencies for
+ApexLake.
+
+The framework needs to be installed on the same physical node where DPDK-pktgen_
+is installed.
+
+The installation requires the physical node hosting the packet generator must
+have 2 NICs which are DPDK_ compatible.
+
+The 2 NICs will be connected to the switch where the OpenStack VM
+network is managed.
+
+The switch used must support multicast traffic and :term:`IGMP` snooping.
+Further details about the configuration are provided at the following here_.
+
+The corresponding ports to which the cables are connected need to be configured
+as VLAN trunks using two of the VLAN IDs available for Neutron.
+Note the VLAN IDs used as they will be required in later configuration steps.
+
+
+Framework Software Dependencies
+===============================
+Before starting the framework, a number of dependencies must first be installed.
+The following describes the set of instructions to be executed via the Linux
+shell in order to install and configure the required dependencies.
+
+1. Install Dependencies.
+
+To support the framework dependencies the following packages must be installed.
+The example provided is based on Ubuntu and needs to be executed in root mode.
+
+::
+
+    apt-get install python-dev
+    apt-get install python-pip
+    apt-get install python-mock
+    apt-get install tcpreplay
+    apt-get install libpcap-dev
+
+2. Source OpenStack openrc file.
+
+::
+
+    source openrc
+
+3. Configure Openstack Neutron
+
+In order to support traffic generation and management by the virtual
+Traffic Classifier, the configuration of the port security driver
+extension is required for Neutron.
+
+For further details please follow the following link: PORTSEC_
+This step can be skipped in case the target OpenStack is Juno or Kilo release,
+but it is required to support Liberty.
+It is therefore required to indicate the release version in the configuration
+file located in ./yardstick/vTC/apexlake/apexlake.conf
+
+
+4. Create Two Networks based on VLANs in Neutron.
+
+To enable network communications between the packet generator and the compute
+node, two networks must be created via Neutron and mapped to the VLAN IDs
+that were previously used in the configuration of the physical switch.
+The following shows the typical set of commands required to configure Neutron
+correctly.
+The physical switches need to be configured accordingly.
+
+::
+
+    VLAN_1=2032
+    VLAN_2=2033
+    PHYSNET=physnet2
+    neutron net-create apexlake_inbound_network \
+            --provider:network_type vlan \
+            --provider:segmentation_id $VLAN_1 \
+            --provider:physical_network $PHYSNET
+
+    neutron subnet-create apexlake_inbound_network \
+            192.168.0.0/24 --name apexlake_inbound_subnet
+
+    neutron net-create apexlake_outbound_network \
+            --provider:network_type vlan \
+            --provider:segmentation_id $VLAN_2 \
+            --provider:physical_network $PHYSNET
+
+    neutron subnet-create apexlake_outbound_network 192.168.1.0/24 \
+            --name apexlake_outbound_subnet
+
+
+5. Download Ubuntu Cloud Image and load it on Glance
+
+The virtual Traffic Classifier is supported on top of Ubuntu 14.04 cloud image.
+The image can be downloaded on the local machine and loaded on Glance
+using the following commands:
+
+::
+
+    wget cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
+    glance image-create \
+            --name ubuntu1404 \
+            --is-public true \
+            --disk-format qcow \
+            --container-format bare \
+            --file trusty-server-cloudimg-amd64-disk1.img
+
+
+
+6. Configure the Test Cases
+
+The VLAN tags must also be included in the test case Yardstick yaml file
+as parameters for the following test cases:
+
+    * :doc:`opnfv_yardstick_tc006`
+
+    * :doc:`opnfv_yardstick_tc007`
+
+    * :doc:`opnfv_yardstick_tc020`
+
+    * :doc:`opnfv_yardstick_tc021`
+
+
+Install and Configure DPDK Pktgen
++++++++++++++++++++++++++++++++++
+
+Execution of the framework is based on DPDK Pktgen.
+If DPDK Pktgen has not installed, it is necessary to download, install, compile
+and configure it.
+The user can create a directory and download the dpdk packet generator source
+code:
+
+::
+
+    cd experimental_framework/libraries
+    mkdir dpdk_pktgen
+    git clone https://github.com/pktgen/Pktgen-DPDK.git
+
+For instructions on the installation and configuration of DPDK and DPDK Pktgen
+please follow the official DPDK Pktgen README file.
+Once the installation is completed, it is necessary to load the DPDK kernel
+driver, as follow:
+
+::
+
+    insmod uio
+    insmod DPDK_DIR/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
+
+It is necessary to set the configuration file  to support the desired Pktgen
+configuration.
+A description of the required configuration parameters and supporting examples
+is provided in the following:
+
+::
+
+    [PacketGen]
+    packet_generator = dpdk_pktgen
+
+    # This is the directory where the packet generator is installed
+    # (if the user previously installed dpdk-pktgen,
+    # it is required to provide the director where it is installed).
+    pktgen_directory = /home/user/software/dpdk_pktgen/dpdk/examples/pktgen/
+
+    # This is the directory where DPDK is installed
+    dpdk_directory = /home/user/apexlake/experimental_framework/libraries/Pktgen-DPDK/dpdk/
+
+    # Name of the dpdk-pktgen program that starts the packet generator
+    program_name = app/app/x86_64-native-linuxapp-gcc/pktgen
+
+    # DPDK coremask (see DPDK-Pktgen readme)
+    coremask = 1f
+
+    # DPDK memory channels (see DPDK-Pktgen readme)
+    memory_channels = 3
+
+    # Name of the interface of the pktgen to be used to send traffic (vlan_sender)
+    name_if_1 = p1p1
+
+    # Name of the interface of the pktgen to be used to receive traffic (vlan_receiver)
+    name_if_2 = p1p2
+
+    # PCI bus address correspondent to if_1
+    bus_slot_nic_1 = 01:00.0
+
+    # PCI bus address correspondent to if_2
+    bus_slot_nic_2 = 01:00.1
+
+
+To find the parameters related to names of the NICs and the addresses of the PCI buses
+the user may find it useful to run the :term:`DPDK` tool nic_bind as follows:
+
+::
+
+    DPDK_DIR/tools/dpdk_nic_bind.py --status
+
+Lists the NICs available on the system, and shows the available drivers and bus addresses for each interface.
+Please make sure to select NICs which are :term:`DPDK` compatible.
+
+Installation and Configuration of smcroute
+++++++++++++++++++++++++++++++++++++++++++
+
+The user is required to install smcroute which is used by the framework to
+support multicast communications.
+
+The following is the list of commands required to download and install smroute.
+
+::
+
+    cd ~
+    git clone https://github.com/troglobit/smcroute.git
+    cd smcroute
+    git reset --hard c3f5c56
+    sed -i 's/aclocal-1.11/aclocal/g' ./autogen.sh
+    sed -i 's/automake-1.11/automake/g' ./autogen.sh
+    ./autogen.sh
+    ./configure
+    make
+    sudo make install
+    cd ..
+
+It is required to do the reset to the specified commit ID.
+It is also requires the creation a configuration file using the following
+command:
+
+::
+
+    SMCROUTE_NIC=(name of the nic)
+
+where name of the nic is the name used previously for the variable "name_if_2".
+For example:
+
+::
+
+    SMCROUTE_NIC=p1p2
+
+Then create the smcroute configuration file /etc/smcroute.conf
+
+::
+
+    echo mgroup from $SMCROUTE_NIC group 224.192.16.1 > /etc/smcroute.conf
+
+
+At the end of this procedure it will be necessary to perform the following
+actions to add the user to the sudoers:
+
+::
+
+    adduser USERNAME sudo
+    echo "user ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+
+
+Experiment using SR-IOV Configuration on the Compute Node
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+To enable :term:`SR-IOV` interfaces on the physical NIC of the compute node, a
+compatible NIC is required.
+NIC configuration depends on model and vendor. After proper configuration to
+support :term:`SR-IOV`, a proper configuration of OpenStack is required.
+For further information, please refer to the SRIOV_ configuration guide
+
+Finalize installation the framework on the system
+=================================================
+
+The installation of the framework on the system requires the setup of the project.
+After entering into the apexlake directory, it is sufficient to run the following
+command.
+
+::
+
+    python setup.py install
+
+Since some elements are copied into the /tmp directory (see configuration file)
+it could be necessary to repeat this step after a reboot of the host.