Novell Protocol Family
This is the protocol family invented by Novell some time ago in their NetWare product.
The Novell family of protocols is still used, but the InternetProtocolFamily is much more common today.
IPX: Internetworking Protocol eXchange
IPXRIP: IPX Routing Information Protocol
IPXSAP: IPX Service Advertisement Protocol
NBIPX: NetBIOS over IPX
NMPI: Name Management Protocol over IPX
SPX: Sequenced packet exchange