| Menu | |
|
: Home |
|
| Search | |
|
|
Definitions and Terminology
A
B C
D E
F G
H I
J K
L M
N O
P Q
R S
T U
V W
X Y
Z
availability
the property of being accessible and usable upon demand by an authorized entity
source: ISO27001, 2005
the property of being accessible and usable upon demand by an authorized entity [ISO/IEC 7498-2]
source: ISO13335-1, 2004
property of being accessible and useable upon demand by an authorized entity
source: ISO18028-2, 2006
ability of a component or service to perform its required function at a stated instant or over a stated period of time NOTE Availability is usually expressed as a ratio of the time that the service is actually available for use by the business to the agreed service hours.
source: ISO2000-1:2005
the ability of a component or a service to perform its required function at a stated instant or over a stated period of time
source: ITIL:Security Management:1999
(Service Design) Ability of a Configuration Item or IT Service to perform its agreed Function when required. Availability is determined by Reliability, Maintainability, Serviceability, Performance, and Security. Availability is usually calculated as a percentage. This calculation is often based on Agreed Service Time and Downtime. It is Best Practice to calculate Availability using measurements of the Business output of the IT Service.
source: ITIL v3, Service Operation, 2007
(Service Design) Ability of a Configuration Item or IT Service to perform its agreed Function when required. Availability is determined by Reliability, Maintainability, Serviceability, Performance and Security. Availability is usually calculated as a percentage. This calculation is often based on Agreed Service Time and Downtime. It is Best Practice to calculate Availability using measurements of the Business output of the IT Service.
source: ITIL v3, Service Design, 2007
(Service Design) Ability of a Configuration Item or IT Service to perform its agreed Function when required. Availability is determined by Reliability, Maintainability, Serviceability, Performance, and Security. Availability is usually calculated as a percentage. This calculation is often based on Agreed Service Time and Downtime. It is Best Practice to calculate Availability using measurements of the Business output of the IT Service.
source: ITIL v3, Service Transition, 2007
(Service Design) Ability of a Configuration Item or IT Service to perform its agreed Function when required. Availability is determined by Reliability, Maintainability, Serviceability, Performance, and Security. Availability is usually calculated as a percentage. This calculation is often based on Agreed Service Time and Downtime. It is Best Practice to calculate Availability using measurements of the Business output of the IT Service.
source: ITIL v3, Continual Service Improvement, 2007
(Service Design) Ability of a Configuration Item or IT Service to perform its agreed Function when required. Availability is determined by Reliability, Maintainability, Serviceability, Performance, and Security. Availability is usually calculated as a percentage. This calculation is often based on Agreed Service Time and Downtime. It is best practice to calculate Availability using measurements of the business output of the IT Service.
source: ITIL v3, Service Strategy, 2007
| Copyright 2006-2008. All Rights Reserved. | Something missing on this page? Let us know |