DIAP is a set of Bash shell scripts to set up an experimental system using three backup nodes either between sites (e.g. between offices and homes) or over WANs. These could be dedicated to storage or used for existing services. The goal is to use round robin synchronisation of incremental backup pools, where the source of data ranges from a personal laptop to a file store, over unused bandwidth where the data rate is dynamically controlled, including compression, according to load and availability. Some of the features above have been implemented, and the scripts are a toolkit to help users set up their own project as well as help the writer improve the system.

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