Eucalyptus 2.0 represents a major update to the open source Eucalyptus private cloud infrastructure software, with significant enhancements in scalability, flexibility and performance tuning.
Key features in Eucalyptus 2.0 include High Scalability with Eucalyptus employing a software design in which scalability is achieved at two levels: front-end, transactional scalability and back-end, resource scalability.
Eucalyptus 2.0 supports KVM virtio, an efficient abstraction for hypervisors and a common set of I/O virtualization drivers.