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Glossary
Mean Time to Repair (MTTR)

The average time taken to repair a CI or IT service after a failure. MTTR is measured from when the CI or IT service fails until it is repaired. MTTR does not include the time required to recover or restore. MTTR is sometimes incorrectly used in place of Mean Time to Restore Service. ...


Glossary
DevOps

An emerging set of principles, methods, and practices for communication, collaboration, and integration between software development (application/software engineering) and IT operations (systems administration/infrastructure) professionals. The Dev refers to Application Development , and the ...


Glossary
Firewall

A network security system, often an appliance, which allows or denies incoming and outgoing traffic according to predetermined rules. #RiskManagement #Infrastructure #SecurityManagement


Glossary
IT Infrastructure

The sum of an organization’s IT-related hardware, software, data communication facilities, procedures, and documentation; physical and organizational structures. #ShadowIT #ITIL #ITSM #Infrastructure


Glossary
IT Operations Management (ITOM)

Acronym for IT operations management, which covers performance, capacity, and availability of IT infrastructure . #ITSM #Infrastructure #Technology #TechnicalSupport


Glossary
Network Operations Center (NOC)

A "command center" for the monitoring and management of large networks. Also, a networked call center environment where people and equipment monitor real-time conditions across sites, change routing thresholds as necessary, and coordinate events that affect base staffing levels. Also called a...


Glossary
Traffic Control Center

See NOC #SupportOperations #Infrastructure #Technology


Glossary
Virtualization

The creation of a virtual (rather than actual) version of something, such as an operating system, a storage device, or network resources. Virtualization is a trend across the IT spectrum, including desktop, server, and virtual application environments. #DesktopSupport #Technology ...


Glossary
Virtual Desktop Infrastructure (VDI)

The server computing model enabling desktop virtualization, encompassing the hardware and software systems required to support the virtualized environment. Sometimes referred to as a virtual desktop interface. See also Virtualization . #DesktopSupport #Technology #Infrastructure


Glossary
X.25

A packet-switching standard for global networks, specified by the CCITT. #Infrastructure #Technology