| Abbreviation | Definition |
|---|---|
| ONW | Operational NetWork |
| OOB | Out Of Band |
| OOBMan | Out of band Manager |
| OoBTC | Out-of-Band Transcoder Contro |
| OON | Out Of Network |
| OOP | Out Of Policy |
| OP | Optimistic Protocols |
| OPAN | Occam Packet Access Network |
| OPAN | Operational Performance Analysis of Networks |
| OPB | Optical Packet Backbone |
| OPES | Open Pluggable Edge Services |
| OPLM | One Page Linux Manual |
| OPM | Online Process Monitor |
| OPP | Octalis Planing Procedure |
| OPPN | Outdoor Peer-to-Peer Networks |
| OPS | Oracle Parallel Server |
| OPSB | Open Proxy Scanning Bot |
| OPSI | Open PC Server Integration |
| OPSN | Open Packet Switching Network |
| OPST | Online Panel Site Tool |