Axis 5570e User Manual page 366

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Section 24: Glossary AXIS 5570e/AXIS 5670e User's Manual
NCP(2) Network Control Program. SNA program resident in the FEP. NCP off-
loads certain line protocol and routing functions from the host CPU.
NDS NetWare Directory Services. A hierarchical data base that manages
NetWare network resources such as servers and volumes.
PPR/PPD Page Printer Requester/Page Printer Daemon. Bidirectional IBM
proprietary TCP/IP application protocol. Supported on AS/400s and
Mainframes for transporting IPDS printer data over TCP/IP. This is not
an open standard.
PU Physical Unit type within SNA. The software in an SNA node
controlling the node's communications hardware.
PU2.1 SNA PU type 2.1 allows local user ports to communicate without
going thorough a host node's SSCP services. RARP
Reverse Address Resolution Protocol. A TCP/IP protocol used for
downloading IP addresses in UNIX networks. It requires a RARP
daemon on your system, and only operates within a single network
segment. A request made to an active RARP daemon initiates a
search of the Ethernet Address Table for an entry matching the print
server's Ethernet address. If a matching entry is found, the daemon
downloads the IP address to the print server.
RISC Reduced Instruction Set Computing. A processor that recognizes only
a limited number of assembly-language instructions.
SAP Service Advertising Protocol. A NetWare network name advertising
service that e.g. file servers can use for advertising their existence to
network clients.
SAP(2) Service Access Point. Field defined by the IEEE 802.2 specification
that is part of an address specification. Thus, the destination plus the
DSAP define the recipient of a packet. The same applies to the SSAP