ITIL Dictionary of Terms

A - Z Dictionary of terms for ITIL. This is the official Dictionary of terms for ITIL, which is a set of practices for IT Service Management. ITIL® is a registered trade mark of AXELOS Limited. View the Agile Dictionary. Managing Successful Programmes (MSP) Dictionary. Project Office Dictionary (P30). Full PRINCE2 glossary of terms. See also Risk Management Dictionary and Project Management Dictionary.

A - acceptance to availability plan | B - back-out to business unit | C - call to customer-facing service | D - dashboard to driver | E - early life support (ELS) to external service provider | F - facilites management to functional escalation | G - H - gap analysis to hot standby | I - identity to ITIL | J - K - job description to known error record | L - lifecycle to live environment | M - maintainability to monitoring | N - near-shore to notional charging | O - objective to overhead | P - pain value analysis to PRojects IN Controlled Environments (PRINCE2) | Q - qualification to quick win | R - RACI to running costs | S - Sarbanes-Oxley (SOX) to system management | T - tactical to Type III service provider | U - underpinning contract (UC) to utility | V - validation to vulnerability | W - warm standby to workload

L - lifecycle to live environment

lifecycle

The various stages in the life of an IT service, configuration item, incident, problem, change etc. The lifecycle defines the categories for status and the status transitions that are permitted. For example:
  • The lifecycle of an application includes requirements, design, build, deploy, operate, optimize
  • The expanded incident lifecycle includes detection, diagnosis, repair, recovery and restoration
  • The lifecycle of a server may include: ordered, received, in test, live, disposed etc.

line of service (LOS)

(ITIL Service Strategy) A core service or service package that has multiple service options. A line of service is managed by a service owner and each service option is designed to support a particular market segment.

live

(ITIL Service Transition) Refers to an IT service or other configuration item that is being used to deliver service to a customer.

live environment

(ITIL Service Transition) A controlled environment containing live configuration items used to deliver IT services to customers.


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