| Abbreviation | Definition |
|---|---|
| PP | Point-to-Point |
| PP2P | Personal Peer-to-Peer |
| PPA | Printer Performance Architecture |
| PPA | Printer Port Architecture |
| PPB | PCI-to-PCI Bridge |
| PPC | Program To Program Communications |
| PPD | Partial Packet Discard |
| PPG | Push Proxy Gateway |
| PPI | Point-Point-Interface |
| PPK | Public Private Key |
| PPN | Processors Per Node |
| PPO | Personal Post Office |
| PPP | Point-to-Point Protocol |
| PPPD | Point-to-Point Protocol Daemon |
| PPPOA | Point-to-Point Protocol Over ATM (Asynchronous Transmission Mode) |
| PPPOE | Point-to-Point Protocol Over Ethernet |
| PPRC | Peer-to-Peer Remote Copy |
| PPS | Protocol and Parameter Selection |
| PPTP | Point-to-Point Tunneling Protocol |
| PPU | Price Per Unit |