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Technical Terms and Abbreviations
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Technical Terms and Abbreviations
Term
Description
Autotrunking
Autotrunking is a function that enables one or more switch ports in a Cisco
system of virtual local area networks (VLANs) to carry traffic for any or all
the VLANs accessible through a particular switch. ... In Cisco's Dynamic
Trunking Protocol (DTP), a port can be set to autotrunking by default (DTP
auto).
BA
Building Automation
BACnet
BACnet is a communication protocol for Building Automation and Control
(BAC) networks. BACnet was designed to allow communication of building
automation and control systems for applications such as heating,
ventilating, and air-conditioning control (HVAC), lighting control, access
control, and fire detection systems and their associated equipment. The
BACnet protocol provides mechanisms for computerized building
automation devices to exchange information, regardless of the particular
building service they perform.
DMZ
DMZ or demilitarized zone is a physical or logical subnetwork that contains
and exposes an organization's external-facing services to an untrusted
network, usually a larger network such as the Internet. The purpose of a
DMZ is to add an additional layer of security to an organization's local area
network (LAN): an external network node can access only what is exposed
in the DMZ, while the rest of the organization's network is firewalled. The
DMZ functions as a small, isolated network positioned between the Internet
and the private network and, if its design is effective, allows the
organization extra time to detect and address breaches before they would
further penetrate the internal networks.
EOL
End of life cycle.
FEP
Front End Processor is a computer that extends and distributes connectivity
to field networks. The purpose is to off-load from the host computer the
work of managing the peripheral devices, transmitting and receiving
messages, packet assembly and disassembly, error detection, and error
correction.
Firewall
Firewall is a network security system that monitors and controls the
incoming and outgoing network traffic based on predetermined security
rules.
ICMP
Internet Control Message Protocol.
IEC
The International Electrotechnical Commission is an international standards
organization that prepares and publishes International Standards for all
electrical, electronic and related technologies – collectively known as
electrotechnology.
IIS
Internet Information Services is an extensible web server created by
Microsoft for use with the Windows NT family. IIS supports HTTP, HTTP/2,
HTTPS, FTP, FTPS, SMTP and NNTP.
IPv4
Internet Protocol version 4 (IPv4) is the fourth version of the Internet
Protocol (IP). It is one of the core protocols of standards-based
internetworking methods in the Internet and was the first version deployed
for production in the ARPANET in 1983.
IPv4 is a connectionless protocol for use on packet-switched networks. It
operates on a best effort delivery model; in that it does not guarantee
delivery, nor does it assure proper sequencing or avoidance of duplicate
delivery. These aspects, including data integrity, are addressed by an upper
layer transport protocol, such as the Transmission Control Protocol (TCP).
IPv6
Internet Protocol version 6 is the most recent version of the Internet
Protocol (IP), the communications protocol that provides an identification
and location system for computers on networks and routes traffic across the
Internet. IPv6 was developed by the Internet Engineering Task Force (IETF)
to deal with the long-anticipated problem of IPv4 address exhaustion. IPv6
is intended to replace IPv4.
NIC
Network Interface Card
ISA-99/IEC 62443
ANSI/ISA 62443 is a series of standards, technical reports, and related