IPX/SPX

Internetwork Packet Exchange/Sequenced Packet Exchange

IPX is layer 3 of the open systems interconnect (OSI) model network protocol; SPX is layer 4 transport protocol. The SPX layer sits on top of the IPX layer and provides connection‐oriented services between two nodes on the network.


IPX/SPX

Internetwork Packet Exchange/Sequenced Packet Exchange

IPX is layer 3 of the open systems interconnect (OSI) model network protocol; SPX is layer 4 transport protocol. The SPX layer sits on top of the IPX layer and provides connection‐oriented services between two nodes on the network.

Used in methodology