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GLOSSARY
ftp (File Transfer Protocol) - a TCP/IP protocol that lets a user on one com- puter access, and transfer data to and from, another computer over a net- work. ftp is usually the name of the program the user invokes to accomplish this task.
GCRA (Generic Cell Rate Algorithm) - an algorithm which is employed in traffic policing and is part of the user/network service contract. The GCRA is a scheduling algorithm which ensures that cells are marked as conforming when they arrive when expected or later than expected and
GFC (Generic Flow Control) - the first four bits of the first byte in an ATM cell header. Used to control the flow of traffic across the
GIO - a proprietary bus architecture used in certain Silicon Graphics, Inc. workstations.
Header - protocol control information located at the beginning of a protocol data unit.
HEC (Header Error Control) - a CRC code located in the last byte of an ATM cell header that is used for checking cell integrity only.
HIPPI (High Performance Parallel Interface) - an ANSI standard that extends the computer bus over fairly short distances at speeds of 800 and 1600 Mbps.
HPUX - the
HSSI
Hub - a device that connects to several other devices, usually in a star topology.
I/O Module - FORE’s interface cards for the