IPX - Internetwork Packet Exchange:
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connectionless, datagram-based
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unique address: consists of network number (32 bits) and node number (48bits MAC address)
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support for four encapsualtion schemes:
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Novell Ethernet 802.3
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Novell_Ethernet_802.2
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Ethernet version II
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Ethernet_SNAP
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SAP - Service Advertisement Protocol
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services like file servers and print servers advertise their services they provide
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advertisements are sent every 60 sec
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services are identified by numbers (4=file server; 7=print server)
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in NetWare 4.x SAP is replaced by NDS (NetWare Directory Services)
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