| Subject | English | Portuguese |
| commun. | Internet packet exchange/sequenced packet exchange | troca Internet de pacotes/troca sequencial de pacotes |
| comp., MS, Braz. | Internetwork Packet Exchange/Sequenced Packet Exchange | IPX/SPX (Transport protocols used in Novell NetWare networks, which together correspond to the combination of TCP and IP in the TCP/IP protocol suite. Windows implements IPX through NWLink) |