| Abbreviation | Definition |
|---|---|
| OFEP | Optimistic Fair Exchange Protocol |
| OFI | Optical Fiber Identifier |
| OFN | Optical Fiber Network |
| OFP | Our First Production |
| OGE | Optical Gigabit Ethernet |
| OGS | Object Group Service |
| OGSI | Open Grid Services Infrastructure |
| OIF | Optional InterFace |
| OIL | Ontology Inference Layer |
| OIL | Optimized Invocation Layer |
| OITF | Open Identity Trust Framework |
| OITF | Open IPTV Terminal Function |
| OJNR | Operating Juniper Networks Routers |
| OLAP | Online Analysis Processing |
| OLC | On-Line Content |
| OLEM | On-Line Event Monitoring |
| OLG | On- Line Gateway |
| OLG | On-Line Gateway |
| OLH | On-Line Help |
| OLJ | On- Line Journal |