XNS - technical definition

(1) See XDI.

(2) (Xerox Network Services) An early networking protocol suite developed at Xerox's Palo Alto Research Center (PARC). XNS has been the basis for many popular network architectures including Novell's NetWare, Banyan's VINES and 3Com's 3+.

                    XNS         OSI      NetWare
   XNS Layer        Protocols   Layers   Protocols
   4 Application                7
   3 Control                    5 & 6
   2 Transport      SPP, PEP    4        SPX
   1 Internet       IDP         3        IPX
   0 Transmission   Ethernet    1 & 2