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authorFrank Brockners <fbrockne@cisco.com>2016-08-11 08:10:41 -0700
committerFrank Brockners <fbrockne@cisco.com>2016-08-11 08:10:41 -0700
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tree5c637f23c7f237cc9aa892d7018fe2d12dd22902 /docs/userguide/scenario-apex-os-nosdn-fdio-noha.rst
parent6bbc3752ca506eb93db73cc89eced650bec52281 (diff)
Proper directory structure for scenario docs
Evolving the scenario documentation to meet the directory structure required by the OPNFV tool chain Change-Id: Iab441dff604446ea06d3b928e5c5e03c6c141bfc Signed-off-by: Frank Brockners <fbrockne@cisco.com>
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-.. OPNFV - Open Platform for Network Function Virtualization
-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-
-Scenario: "OpenStack - FD.io"
-=============================
-
-Scenario: apex-os-nosdn-fdio-noha
-
-"apex-os-nosdn-noha" is a scenario developed as part of the FastDataStacks
-OPNFV project. The main components of the "apex-os-nosdn-fdio-noha" scenario
-are:
-
- - APEX (TripleO) installer (please also see APEX installer documentation)
- - Openstack (in non-HA configuration)
- - FD.io/VPP virtual forwarder for tenant networking
-
-Scenario Overview
-==================
-
-Basics
-------
-
-The "Openstack - FD.io/VPP" scenario provides the capability to realize a set
-of use-cases relevant to the deployment of NFV nodes instantiated by means of
-an Openstack orchestration system on FD.io/VPP enabled compute nodes.
-
-A deployment of the "apex-os-nosdn-fdio-noha" scenario consists of 3 or more
-servers:
-
- * 1 Jumphost hosting the APEX installer - running the Undercloud
- * 1 Controlhost, which runs the Overcloud and Openstack services
- * 1 or more Computehosts
-
-.. image:: FDS-nosdn-overview.png
-
-Tenant networking leverages FD.io/VPP. Open VSwitch (OVS) is used for all other
-connectivity, in particular the connectivity to public networking / the
-Internet (i.e. br-ext) is performed via OVS as in any standard OpenStack
-deployment. A VPP management agent is used to setup and manage layer 2
-networking for the scenario. Tenant networking can either leverage VLANs or
-plain interfaces. Layer 3 connectivity for a tenant network is provided
-centrally via qrouter on the control node. As in a standard OpenStack
-deployment, the Layer3 agent configures the qrouter and associated rulesets for
-security (security groups) and NAT (floating IPs). Public IP network
-connectivity for a tenant network is provided by interconnecting the VPP-based
-bridge domain representing the tenant network to qrouter using a tap interface.
-The setup is depicted below:
-
-Features of the scenario
-------------------------
-
-Main features of the "apex-os-odl_l2-fdio-noha" scenario:
-
- * Automated installation using the APEX installer
- * Fast and scalable tenant networking using FD.io/VPP as forwarder
- * Layer 2 networking using VLANs, managed and controlled
- through the VPP ML2 plugin
- * Layer 3 connectivitiy for tenant networks supplied centrally
- on the Control node through standard OpenStack mechanisms.
- All layer 3 features apply, including floating IPs (i.e. NAT)
- and security groups.
-
-Networking in this scenario using VPP
--------------------------------------
-
-The apex-os-nosdn-fdio-noha scenario combines components from two key open
-source projects: OpenStack and Fast Data (FD.io). In order to make Fast Data
-(FD.io) networking available to this scenario, an ML2 mechanism driver and a
-light-weight control plane agent for VPP forwarder has been created. For
-details see also https://github.com/naveenjoy/networking-vpp/
-
-Networking-vpp provides a Neutron ML2 mechanism driver to bring the advantages
-of VPP to OpenStack deployments.
-
-It's been written to be as simple and readable as possible, which means it's
-naive; the aim was not to write the most efficient mechanism driver ever from
-right out of the gate, but to write something simple and understandable and see
-how well it works and what needs to be changed.
-
-As a general rule, everything was implemented in the simplest way, for two
-reasons: one is that one sees working results the quickes, and the other is
-that it's much easier to replace a simple system with a more complex one than
-it is to change a complex one. The current design will change, but the one
-that's there at the moment is small and easy to read, even if it makes you pull
-faces when you read it.
-
-Scenario Configuration
-======================
-
-To enable the "apex-os-nosdn-fdio-noha" scenario check the appropriate settings
-in the APEX configuration files. Those are typically found in /etc/opnfv-apex.
-
-File "deploy_settings.yaml" choose opendaylight as controller with version
-"boron" and enable vpp as forwarder::
-
- global_params:
- ha_enabled: false
-
- deploy_options:
- sdn_controller: false
- sdn_l3: false
- tacker: false
- congress: false
- sfc: false
- vpn: false
- vpp: true
-
-Notes and known issues
-======================