Glossary
private group. A
process. A running entity, managed by the Compaq NonStop Kernel, that is created by taking a program from a file on a disk and running it in a processor.
process identification number (PIN). An unsigned integer that identifies a process in a processor module. Internally, a PIN is used as an index into the process control block (PCB) table. PIN numbers from 0 through 254 are low PINs and are supported on both
process pair. A primary process and its backup process, created as a pair to provide fault tolerance on a Compaq NonStop system. The backup process takes over if the primary process fails.
profile. (1) A complete set of
profile type. A particular type of Compaq FTAM or OSI/AS profile. The only valid profile type for Compaq FTAM is the virtual filestore (VFS) profile.
programmatic interface. A set of procedures and accompanying definitions that enable programs to request services or operations. Contrast with interactive interface.
protocol. The set of rules governing the format and meaning of the frames, packets, or messages exchanged by the peer entities within an OSI layer. See also service.
protocol data unit. See PDU.
protocol state machine. The part of a data communications process, such as an FTAM initiator or responder process, that acts upon occurrences according to the current state of the protocol.
provider abort. An association abort initiated by the service provider (for example, FTAM). An abort leaves the status of any interrupted operations undefined. Contrast with user abort.
PSAP (presentation service access point). The point at which a Presentation Layer implementation provides presentation services to an Application Layer implementation.
