Development of resource management server for production IaaS services based on OpenStack

Abstract

In this paper, we show the development of resource management server to enable production Cloud services easily based on OpenStack. In recent days, Cloud computing technologies have progressed and many providers have started Cloud services. Some providers use proprietary systems but others use open source IaaS software such as OpenStack and CloudStack. Because the community of OpenStack development is very active, we expect Open-Stack will become a de facto standard open source IaaS software. Because OpenStack target is providing primitive APIs for IaaS control, there are some problems to use OpenStack as it is for production services. For example, there are some problems that logical/virtual resources CRUD transactions are insufficient, nova-scheduler which determines hypervisors for virtual machines deployment does not consider operators business requirements and logical checks of unsuitable API calls are insufficient. Therefore, we propose a resource management server which manages physical resources and logical/virtual resources to enable production IaaS services easily based on OpenStack. The resource management server mediates users and OpenStack, provides added actions such as logical checks of API calls, multiple API combination uses, scheduling logic of hypervisors for virtual machines. We implemented the proposed resource management server and showed that operators can operate reliable IaaS services without conscious of OpenStack problems. Furthermore, we measured the performance of multiple API combination uses and showed our method could reduce users waiting time of image deployment or image extraction from volume.

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