Virtual Machine Management : OpenStack Nova + Glance (Image & Snapshot management) Configuration Manager : Chef + Crowbar Monitoring : TBD (System Center Operation Manager + Bridgeway) Orchestration : http://java-source.net/open-source/workflow-engines 이건 짜야 쓰겄다. Portal : Silverlight or HTML 5 or AJAX 추가 검토할 솔루션 Puppet Nagios : Monitoring 쪽에 검토 요망