| Subject | English | Spanish |
| commun. | internetwork packet exchange | intercambio de paquetes entre redes |
| comp., MS | Internetwork Packet Exchange/Sequenced Packet Exchange 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 | IPX/SPX (Internetwork Packet Exchange/Sequenced Packet Exchange) |