OpenStack Private Cloud Architecture

Rackspace Private Cloud Powered by OpenStack

Rackspace Private Cloud Powered by OpenStack is our configuration of upstream software based on our best practices and designed for running OpenStack clouds at scale.

Reference Architecture

Certified hardware

Certified Hardware


All Ubuntu 16.04-compatible compute, including Cisco, Dell, IBM, HP and Open Compute based designed systems

Complete list of certified devices


OpenStack Networking (Neutron) with the ML2 plug-in and Linux Bridge agents support the following:

  • Flat and VLAN provider networks
  • Flat, VLAN, and VXLAN overlay (tenant) networks
  • L3 agents for routing, NAT, and floating IP addresses
  • Object Storage: Ceph Object Gateway
  • Block Storage: OpenStack Cinder driver support for Ceph RBD, Cinder/LVM, EMC VNX2, NetApp FAS, and NetApp SolidFire


Rackspace Private Cloud Powered by OpenStack Version 17 Software is based on the OpenStack Queens release and includes the following services:

Compute (Nova)

Provision and manage large networks of virtual machines.

Dashboard (Horizon)

Provides administrators and users a graphical interface to access, provision, and automate cloud-based resources.

Object Storage (Swift)

Provides redundant, scalable object storage using clusters of standardized servers capable of storing petabytes of data.

Block Storage (Cinder)

Provides persistent block level storage devices for use with OpenStack compute instances. Includes OpenStack Block Storage (Cinder) drivers for Cinder/LVM, Ceph RBD, EMC VNX2, and NetApp FAS.

Networking (Neutron)

Pluggable, scalable, API-driven network and IP management. Manage flat and VLAN provider networks; flat, VLAN, and VXLAN overlay (tenant) networks; and layer-3 agents for routing, NAT, and floating IP addresses.

Image Service (Glance)

Provides discovery, registration, and delivery services for disk and server images. Supports a variety of common image formats (Raw, AMI, VHD, VDI, VMDK, OVF, qcow2).

Identity Service (Keystone)

Provides a central directory of users, mapped to the OpenStack services they can access. Also integrates with existing OpenLDAP services for user authentication.

Orchestration (Heat)

Allows application developers to describe and automate the deployment of infrastructure via templates.

Bare-Metal Compute (Ironic)

Provision and manage bare-metal compute resources.

Load Balancing (Octavia)

Load Balancing as-a-Service (LBaaS). Provides the ability to provision load balancing resources to be used with compute (Nova) resources.

DNS Service (Designate)

DNS as-a-Service (DNSaaS). Provides the ability to provision DNS resources within your OpenStack cloud.

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