Enable RPC communication between the Controller and Compute node using RabbitMQ and Oslo Messaging library

Click here to read more about implementing RabbitMQ message queue between two nodes in your openstack environment.

How to install devstack on a single node setup

A single node setup essentially means all your openstack services are running on a single machine. To know more about installing devstack on a single node setup, click here.

How to install devstack on a multi node setup (1 Controller node+ 2 Compute nodes)

A multi node setup essentially means we divide the available openstack services among many nodes. For example, we might want to keep all the compute services on one node and all the networking services on another node. Each of these nodes communicate with one another using a messaging service which usually defaults to RabbitMQ. Click here to read more.