| Subject | English | Thesaurus |
| IT, abbr. | Open Shortest-Path First Internal Gateway Protocol | OSPFIGP (Internet) |
| abbr., inet. | Open Shortest-Path First Internal Gateway Protocol | OSPFIGP |
| IT, abbr. | Open Transport/Point-to-Point Protocol | OTPPP (Apple, OT, PPP) |
| IT, abbr. | Open Transport/Point-to-Point Protocol | OT/PPP (Apple, OT, PPP) |