CHAPTER 1: GLOSSARY
GLOSSARY
MULTINET4 MULTI-PORT SERIAL SERVER & MANAGED SWITCH – INSTRUCTION MANUAL
1–3
GGP
Gateway to Gateway Protocol. One of the communications protocols
of the Internet Protocol Suite. Used mainly for routing datagrams.
HMI
Human Machine Interface. The device that enables a person to
monitor and control a machine. Typically the HMI is a computer.
HTTP
HyperText Transfer Protocol.
ICMP
The Internet Control Message Protocol. One of the communications
protocols of the Internet Protocol Suite. Chiefly used to convey error
messages.
IDRP
Inter-Domain Routing Protocol.
IED
A microprocessor-based device that controls power system
equipment such as circuit breakers and voltage regulators.
IEEE
Institute of Electrical and Electronics Engineers
IGP
Interior Gateway Protocols. A set of routing protocols used within a
system.
IGMP
Internet Group Management Protocol. One of the communications
protocols of the Internet Protocol Suite. Used to manage membership
in multicast groups.
IKE
Internet Key Exchange. The protocol used to set up a Security
Association in the IPsec protocol suite.
IP
Internet Protocol.
IPIP
IP in IP encapsulation. One of the communications protocols of the
Internet Protocol Suite. Encloses an inner IP header with an outer
header for tunneling.
ISO-IP
ISO Internetworking Protocol. A network layer protocol in an OSI
network.
ITU-T
See CCITT.
LMI
Local Management Interface. A signaling standard used between
routers and frame relay switches.
LSA
Link State Advertisement. An OSPF data structure that describes a
portion of an OSPF network.
LSC
Last Schema Change.
MAC
Media Access Control. A MAC address is a unique identifier attached to
most forms of networking equipment.
MD5
Message-Digest algorithm 5. A common cryptographic hash function.
MIB
Management Information Base. A database used by SNMP to manage
devices such as switches and routers in a network.
Term
Definition