HP Rp3440-4 - 9000 - 0 MB RAM Programmer's Manual page 190

Glossary
IPC:
See Interprocess
Communication.
ISO:
See International Standards
Organization.
Link-level address: A six-
byte quantity that is distinct
from the internet address and
is the unique address of the
LAN interface card on each
LAN.
Message: In IPC, the data sent
in one UDP packet. When using
sendmail a message is the
information unit transferred
by mail.
Node: A computer system that
is attached to or is part of a
computer network.
Node manager: The person
who is responsible for
managing the networking
services on a specific node or
host.
Official host name: The first
host name in each entry in the /
etc/hosts file. The official host
name cannot be an alias.
Packet: A data unit that is
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transmitted between processes.
Also called a "frame."
Peer: An Interprocess
Communication socket at the
other end of a connection.
Port: An address within a host
that is used to differentiate
between multiple sockets with
the same internet address.
Protocol: A set of conventions
for transferring information
between computers on a
network (e.g., UDP or TCP).
Remote host: A computer
that is accessible through the
network or via a gateway.
Reserved port: A port number
between 1 and 1023 that is only
for super-user use.
Server: A process or host that
performs operations that local
or remote client hosts request.
Service: A facility that uses
Interprocess Communication
to perform remote functions for
a user (e.g., rlogin(1) or
telnet(1)).
Glossary