As announced at VMworld 2010, DMTF’s OVF standard was adopted as a National Standard by ANSI.Īn OVF package structure consists of a number of files: a descriptor file, optional manifest and certificate files, optional disk images, and optional resource files (such as ISO’s). The DMTF board is comprised of 15 technology companies and includes Dell, EMC, VMware, Oracle, & Microsoft. The OVF format standard was formed by the Distributed Management Task Force, or DMTF, which is an industry working group comprised of over 160 member companies and organizations. In order to best understand the differences between the two, let’s take a look at what an OVF is first.Īn OVF refers to the Open Virtualization Format, which is a “ packaging standard designed to address the portability and deployment of virtualization appliances” ( Source). I admit, when I first started administering VMware, I didn’t understand what an OVF or an OVA were, and what their differences are. Chances are good that you’ve run into an OVF/OVA from a variety of sources: as a packaged application or appliance from a vendor, as a download from the VMware community appliances site, or even while physically moving virtual machine files from one location to another.
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