| Acronym (Term) | Definition |
| BA | Backup Agent |
| CCN | Cluster Controller Node |
| MN | Master Node |
| SN | Storage Node |
| SBF | Similarity Bloom Filer |
| AS | Adjusted Similarity—Generated by CCNs |
| GAS | Global Adjusted Similarity— Computed at BA using ASs from CCNs and node loads |
| GML | Global Mean Load—Average Load of all storage nodes in the system |
| CCN Split | Migration of half of load of a CCN to another new CCN |
| Data Stream | Stream of data content belonging to unique segments of unique files from a batch of files |