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Two different distribution are available, CMD-OS for OpenStack and CMD-ONE for OpenNebula. For further details, please have a look at the Cloud Middleware Distribution wiki https://wiki.egi.eu/wiki/EGI_Cloud_Middleware_Distribution .
UMD and CMD
Regular grid components and in general all non cloud-specific components will keep going to UMD. Also clients for the user to interact with the EGI infrastructure are distributed with UMD (storage clients, cloud-related clients).
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CMD for OpenNebula has been created to decouple from OpenStack, having a very different release cycle.
Supported middleware distributions summary
| Description | Operating Systems supported | |
| UMD4 | Regular grid components and in general all non cloud-specific components will keep going to UMD. Also clients for the user to interact with the EGI infrastructure are distributed with UMD (storage clients, cloud-related clients). | CentOS7, SL6 |
| CMD-OS | OpenStack integration components developed by Cloud Technology Providers to Resource Centres | CentOS7, Xenial |
| CMD-ONE | OpenNebula integration components developed by Cloud Technology Providers to Resource Centres | CentOS7 |