| Abbreviation | Definition |
|---|---|
| IPQ | IP-tables Packet Queueing |
| IPS | International Patching Standard |
| IPsec | Internet Protocol Security |
| IPsec | Internet Protocol SECurity architecture |
| IPSL | Internet Protocol-only private LAN (Local Area Network) Service |
| IPT | Internet Protocol Telephony |
| IPT | Inter-Packet Time |
| IPTE | Internet Protocol Traffic Engineering |
| IPTP | Internet Packet Transmission Protocol |
| IPTT | Internet Protocol Telephony Troubleshooting |
| IPTV | Internet Protocol Television |
| IPTW | Internet Protocol Transition Workbook |
| IPTX | Internet Protocol Telephony Express |
| IPTX2.0 | Internet Protocol Telephony Express version 2.0 |
| IPV6 | Internet Protocol version 6 |
| IPVS | Internet Protocol Virtual Server |
| IPX | Internetwork Packet Exchange |
| IPX/SPX | Internet Packet eXchange/Sequenced Packet eXchange |
| IQ | ICMP (Internet Control Message Protocol) Query |
| IQN | ISCSI (Internet Small Computer System Interface) Qualified Name |