# About CDMI StoRM

CDMI StoRM implements the Java Service Provider Interface [cdmi-spi](https://github.com/indigo-dc/cdmi-spi) to provide a plugin for the [INDIGO DataCloud CDMI server](https://github.com/indigo-dc/cdmi) in order to support StoRM as storage back-end and allow users to negotiate the Quality of Service of stored data.

![](https://3773999953-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LFRonLYOPcazRY9YZa9%2F-LFRoyYK3UL8BLDRri1H%2F-LFRp7THTZQNHnq8caLu%2Fcdmi-storm.png?generation=1529492057697817\&alt=media)

Refer to the [CDMI server user guide](https://indigo-dc.gitbooks.io/cdmi-qos/content/doc/api_walkthrough.html) for all the details about INDIGO DataCloud QoS management.
