Integrating Open SAF High Availability Solution with Open Stack

Cloud computing is a popular paradigm for providing computational services. Cloud computing frameworks offer cost efficiency, better resource utilization and scalability. Availability remains as one of the main challenges for the cloud. Solutions, such as Heat, have been proposed and integrated with cloud controllers like Open Stack. These solutions protect services against application and infrastructure failure. However, the recovery for the application is tied to recovery of the underlying infrastructure, therefore, the service recovery and outage time may be substantial. In this paper we propose an architecture which integrates an existing middleware solution for high availability, OpenSAF, with OpenStack, for the management of the availability of the applications and the infrastructure. We show that in comparison with Heat, the proposed solution improves the service recovery and outage time and offers flexibility in terms of redundancy models and recovery actions.