Eucalyptus is an acronym for Elastic Utility Computing Architecture for Linking Your Programs To Useful Systems.

[2] Eucalyptus enables pooling compute, storage, and network resources that can be dynamically scaled up or down as application workloads change.

After DXC stopped developing the product in late 2017, AppScale Systems forked the code and started supporting Eucalyptus customers.

[7] The co-founders of Eucalyptus were Rich Wolski (CTO), Dan Nurmi, Neil Soman, Dmitrii Zagorodnov, Chris Grzegorczyk, Graziano Obertelli and Woody Rollins (CEO).

Eucalyptus Systems announced a formal agreement with Amazon Web Services in March 2012.

Hewlett-Packard acquired Eucalyptus in September 2014, although by the end of 2016 its public cloud offering HPE Helion was shut down.

Virtual instances with application configuration can be stopped and restarted using encrypted boot from EBS capability.

Management state of the cloud machine is preserved and reverted to normal operating conditions in the event of a hardware or software failure.

Eucalyptus user identity management can be integrated with existing Microsoft Active Directory or LDAP systems to have fine-grained role based access control over cloud resources.