DLPI Programmer's Guide

174 Glossary
Glossary
Provider Interface.
DLS user The user-level
application or user-level or
kernel-level protocol that
accessess the services of the
data link layer.
Local management The
phase in connection and
connectionless modes in which
a DLS user initiates a stream
and binds a DLSAP to the
stream. Primitives in this
phase generate local operations
only.
PPA The point at which a
system attaches itself to a
physical communications
medium.
PPA identifier An identifier
of a particular physical medium
over which communication
transpires.