1) Sequenced packet exchange 
Sequenced Packet Exchange operates at the transport layer providing connection oriented communication on top of IPX.
Applies to derivative products. Symbol for the S&P 500 index.
A trust in which the trustee decides how to distribute trust income among a group of designated peop
Sequenced Packet Exchange [Novell]
Sequential Packet Exchange. A Transport layer protocol developed by Novell to provide in-sequence data transfer.