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diff --git a/docs/installationprocedure/architecture.rst b/docs/installationprocedure/architecture.rst new file mode 100644 index 00000000..c63da27c --- /dev/null +++ b/docs/installationprocedure/architecture.rst @@ -0,0 +1,77 @@ +Triple-O Deployment Architecture +================================ + +Apex is based on the OpenStack Triple-O project as distributed by +the RDO Project. It is important to understand the basics +of a Triple-O deployment to help make decisions that will assist in +successfully deploying OPNFV. + +Triple-O stands for OpenStack On OpenStack. This means that OpenStack +will be used to install OpenStack. The target OPNFV deployment is an +OpenStack cloud with NFV features built-in that will be deployed by a +smaller all-in-one deployment of OpenStack. In this deployment +methodology there are two OpenStack installations. They are referred +to as the undercloud and the overcloud. The undercloud is used to +deploy the overcloud. + +The undercloud is the all-in-one installation of OpenStack that includes +baremetal provisioning capability. The undercloud will be deployed as a +virtual machine on a jumphost. This VM is pre-built and distributed as part +of the Apex RPM. + +The overcloud is OPNFV. Configuration will be passed into undercloud and +the undercloud will use OpenStack's orchestration component, named Heat, to +execute a deployment that will provision the target OPNFV nodes. + +OPNFV Scenario Architecture +=========================== + +OPNFV distinguishes different types of SDN controllers, deployment options, and +features into "scenarios". These scenarios are universal across all OPNFV +installers, although some may or may not be supported by each installer. + +The standard naming convention for a scenario is: +<VIM platform>-<SDN type>-<feature>-<ha/noha> + +The only supported VIM type is "OS" (OpenStack), while SDN types can be any +supported SDN controller. "feature" includes things like ovs_dpdk, sfc, etc. +"ha" or "noha" determines if the deployment will be highly available. If "ha" +is used at least 3 control nodes are required. + +OPNFV Scenarios in Apex +======================= + +Apex provides pre-built scenario files in /etc/opnfv-apex which a user can +select from to deploy the desired scenario. Simply pass the desired file to +the installer as a (-d) deploy setting. Read further in the Apex documentation +to learn more about invoking the deploy command. Below is quick reference +matrix for OPNFV scenarios supported in Apex. Please refer to the respective +OPNFV Docs documentation for each scenario in order to see a full scenario +description. The following scenarios correspond to a supported <Scenario>.yaml +deploy settings file: + ++-------------------------+------------+-----------------+ +| **Scenario** | **Owner** | **Known Issues**| ++-------------------------+------------+-----------------+ +| os-nosdn-nofeature-ha | Apex | | ++-------------------------+------------+-----------------+ +| os-nosdn-nofeature-noha | Apex | | ++-------------------------+------------+-----------------+ +| os-nosdn-ovs-noha | OVS for NFV| | ++-------------------------+------------+-----------------+ +| os-nosdn-fdio-noha | FDS | | ++-------------------------+------------+-----------------+ +| os-odl_l2-nofeature-ha | Apex | | ++-------------------------+------------+-----------------+ +| os-odl_l3-nofeature-ha | Apex | APEX-112 | ++-------------------------+------------+-----------------+ +| os-odl_l2-sfc-noha | SFC | | ++-------------------------+------------+-----------------+ +| os-odl_l2-bgpvpn-noha | SDNVPN | | ++-------------------------+------------+-----------------+ +| os-odl_l2-fdio-noha | FDS | | ++-------------------------+------------+-----------------+ +| os-onos-nofeature-ha | ONOSFW | | ++-------------------------+------------+-----------------+ +| os-onos-sfc-ha | ONOSFW | | ++-------------------------+------------+-----------------+ |