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Articles by Sharon Zaharoff
What is Electronic Data Interchange (EDI)?
What is Electronic Data Interchange (EDI)? Electronic Data Interchange (EDI) is the transfer of data from one computer system to another by standardized message formatting without the need for human intervention. The goal of EDI is to replace manual processes that involve the exchange of documents with a fully autonomous one. EDI permits multiple companies -- possibly in different countries -- to exchange documents electronically.
What Is a Building Management System?
What is a building management system? A building management system (BMS) is a control system that can be used to monitor and manage the mechanical, electrical and electromechanical systems and services in a facility. Such services include power; heating, ventilation and air conditioning (HVAC); physical access control; fire safety systems; water pumps; elevators; and lights. A BMS is also called a building automation system or computerized maintenance management system.
Evaluation Assurance Level (EAL)
What is an Evaluation Assurance Level? An Evaluation Assurance Level (EAL) is a category ranking assigned to an IT product or system after a Common Criteria security evaluation. The level indicates to what extent the product or system was tested. A product or system must meet specific assurance requirements to achieve a particular EAL. Requirements involve design documentation, analysis, and functional or penetration testing.
What is ducting (data center cooling)?
What is ducting (data center cooling)? Ducting is an approach to air management that uses a series of metal or plastic pipes to carry heated or cooled air from one place to another. A duct system is often referred to as ductwork. There are two categories of ducts: active and passive. Ducts are naturally passive because they have no moving parts. Active ducts use fans to help move the air.
What is baffle? | Definition from TechTarget
By Sharon Zaharoff, Associate Site Editor Published: Oct 14, 2025 What is a baffle? In data center hot-aisle containment, a baffle is anything that disturbs the flow of air through a room, rack or system. A baffle changes the course of airflow or redirects it -- any device that directs airflow to another location to keep heated parts cooler can be considered a baffle. Baffles force air flows into front-to-back patterns in the data center.
What is runlevel? | Definition from TechTarget
What is a runlevel? A runlevel is an operating state on a Unix and Unix-based operating system (OS) that is preset on the Linux-based system. Runlevels are numbered from zero to six and play several important roles in the operations, maintenance and management of Linux and Unix systems. A runlevel is a preset operating state, defined as a single integer that could range from zero to six, in a Unix or Linux-based OS.
brownfield (brownfield deployment, brownfield site)
By Sharon Zaharoff, Associate Site Editor Published: Oct 14, 2025 What is a brownfield deployment? A brownfield deployment, in information technology, is the installation and configuration of new hardware or software that must coexist with legacy IT systems. A greenfield deployment, in contrast, is the installation and configuration of software or hardware that a company has not used before and is not dependent upon legacy technology.
Was ist Leaf-Spine-Architektur? - Definition von WhatIs.com
von Leaf-Spine ist eine zweischichtige Netzwerktopologie für Rechenzentren, die mehr Ost-West-Netzwerkverkehr als Nord-Süd-Verkehr aufweisen. Die Leaf-Spine-Architektur besteht aus Leaf-Switches (mit denen Server und Storage verbunden sind) und Spine-Switches (mit denen Leaf-Switches verbunden sind). Leaf-Switches greifen in das Spine ein und bilden die Zugriffsschicht, die Netzwerkverbindungspunkte für Server bereitstellt.
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