Sequenced packet exchangeSequenced Packet Exchange
) is an old Novell
protocol used to manage the Novell Internetwork Packet Exchange (IPX
) that allowed Novell Servers and clients to communicate over LAN (Local Area Networks
) and WAN (Wide Area Networks
The advantages of one machine easily finding another machine on the LAN was a disavantage on a WAN since it needed so much overhead. TCP/IP is now a more common protocol stack for both WAN and LAN.