description documents provided:
- :ref:`os-nosdn-kvm-ha <kvmfornfv-os-nosdn-kvm-ha>`
-- :ref:`os-odl-fdio-ha <os-odl-fdio-ha>`
-- :ref:`os-odl-fdio-noha <os-odl-fdio-noha>`
- :ref:`os-nosdn-fdio-noha <os-nosdn-fdio-noha>`
-- :ref:`os-odl-bgpvpn-noha <sdnvpn-os-odl-bgpvpn-noha>`
-- :ref:`os-odl-bgpvpn-ha <sdnvpn-os-odl-bgpvpn-ha>`
- `os-odl_l2-sfc-ha <http://docs.opnfv.org/en/stable-danube/submodules/sfc/docs/release/scenarios/os-odl_l2-sfc-ha/index.html>`_
- `os-odl_l2-sfc-noha <http://docs.opnfv.org/en/stable-danube/submodules/sfc/docs/release/scenarios/os-odl_l2-sfc-noha/index.html>`_
- :ref:`os-nosdn-lxd-ha <os-nosdn-lxd-ha>`
- :ref:`os-nosdn-lxd-noha <os-nosdn-lxd-noha>`
- :ref:`k8-nosdn-nofeature-noha <k8-nosdn-nofeature-noha>`
- :ref:`k8-nosdn-lb-noha <k8-nosdn-lb-noha>`
-- `os-nosdn-ovs-ha <http://docs.opnfv.org/en/stable-danube/submodules/ovsnfv/docs/release/scenarios/os-nosdn-ovs-ha/index.html>`_
-- :ref:`os-nosdn-ovs-noha <os-nosdn-ovs-noha>`
+- :ref:`os-nosdn-ovs-ha <os-nosdn-ovs-ha1>`
+- :ref:`os-nosdn-ovs-noha <os-nosdn-ovs-noha1>`
- :ref:`os-nosdn-calipso-noha <os-nosdn-calipso-noha>`
- :ref:`os-nosdn-ovs_dpdk-ha <os-nosdn-ovs_dpdk-ha>`
- :ref:`os-nosdn-ovs_dpdk-noha <os-nosdn-ovs_dpdk-noha>`
-- :ref:`os-odl-ovs_dpdk-ha <os-odl-ovs_dpdk-ha>`
-- :ref:`os-odl-ovs_dpdk-noha <os-odl-ovs_dpdk-noha>`
- :ref:`os-odl-fdio-dvr-noha <os-odl-fdio-dvr-noha>`
-- :ref:`os-odl-fdio-dvr-ha <os-odl-fdio-dvr-ha>`
- :ref:`os-nosdn-fdio-ha <os-nosdn-fdio-ha>`
-- :ref:`os-odl-k8s_coe-noha <os-odl-k8s_coe-noha>`
-- :ref:`os-odl-k8s_coe-ha <os-odl-k8s_coe-ha>`
- :ref:`os-nosdn-kvm_ovs_dpdk-ha <os-nosdn-kvm_ovs_dpdk-ha>`
-- :ref:`os-nosdn-bar-ha <os-nosdn-bar-ha>`
-- :ref:`os-nosdn-bar-noha <os-nosdn-bar-noha>`
- :ref:`os-odl_l2-moon-ha <os-odl_l2-moon-ha>`
- :ref:`k8-nosdn-lb-noha <k8-nosdn-lb-noha>`
- :ref:`os-odl-sfc-ha <os-odl-sfc-ha>`
- :ref:`os-nosdn-ovs_dpdk-ha <os-nosdn-ovs_dpdk-ha>`
- :ref:`os-nosdn-openbaton-ha <os-nosdn-openbaton-ha>`
- :ref:`k8-ovn-lb-noha <k8-ovn-lb-noha>`
+- :ref:`os-nosdn-bar-ha <os-nosdn-bar-ha>`
+- :ref:`os-nosdn-bar-noha <os-nosdn-bar-noha>`
Installation Procedure
======================