Novell based its network protocol on Xerox Network Systems (XNS), and created its own standards from IDP and SPP, which it named Internetwork Packet Exchange (IPX) and Sequenced Packet Exchange (SPX).
Novell oparł swój protokół sieciowy na Xerox Network Systems i stworzył własne standardy IDP i SPP, które nazwał Internetwork Packet Exchange (IPX) i Sequenced Packet Exchange (SPX).