ITIL Glossary, D

Dashboard (Instrumententafel)

(Service Operation) A graphical representation of overall IT Service Performance and Availability. Dashboard images may be updated in real-time, and can also be included in management reports and web pages. Dashboards can be used to support Service Level Management, Event Management or Incident Diagnosis.

Data Administration (Datenadministration)

Data center (Rechenzentrum)

Data collection (Datensammlung)

Data infrastructure (Dateninfrastruktur)

Data lifecycle (Datenlebenszyklus)

Data mining (Datamining)

Data transfer time (Datenübertragungszeit)

Data warehouse (Data Warehouse)

DIKW - Data-to-Information-to-Knowledge-to-Wisdom

A way of understanding the relationships between data, information, knowledge and wisdom. DIKW shows how each of these builds on the others.

Database (Datenbank)

Decryption (Entschlüsselung)

DHS - Definitive Hardware Store, DHS (Definitives Hardware-Lager, DHS)

DML - Definitive Media Library (Maßgebliche Medienbibliothek)

(Service Transition) One or more locations in which the definitive and approved versions of all software COAfiguration Items are securely stored. The DML mayaiso contain associated CIs such as licences and documentation. The DML is a single logical storage area even if there are multiple locations. All software in the DML is under the control of Change and Release Management and is recorded in the Configuration Management System. Only software from the DML is acceptable for use in a Release.

DSL - Definitive Software Library (Maßgebliche Softwarebibliothek)

Definitive spares (Kritische Ersatzteile)

Deliverable (Lieferergebnis, Auslieferungsergebnis)

Something that must be provided to meet a commitment in a Service Level Agreement or a Contract. Deliverable is also used in a more informal way to mean a planned output of any process.

Delta Release (Delta-Release)

Demand Management (Anforderungsmanagement)

Activities that understand and influence Customer demand for services and the provision of capacity to meet these demands. At a Strategic level Demand Management can involve analysis of Patterns of Business Activity and User Profiles. At a tactical level it can involve use of Differential Charging to encourage Customers to use IT Services at less busy times. See also Capacity Management.

Demand modelling (Bedarfsmodelling)

Deming Cycle (Qualitätszyklus nach Deming)

Activities that understand and influence Customer demand for services and the provision of capacity to meet these demands. At a Strategic level Demand Management can involve analysis of Patterns of Business Activity and User Profiles. At a tactical level it can involve use of Differential Charging to encourage Customers to use IT Services at less busy times. See also Capacity Management.

Dependency (Abhängigkeit)

The direct or indirect reliance of one Process or Activity on another.

Deployment (Bereitstellung)

(Service Transition) The Activity responsible for movement of new or changed hardware, software, documentation, Process etc. to the Live Environment. Deployment is part of the Release and Deployment Management Process, See

Deployment package (Auslieferungspaket)

also Rollout.

Depreciation (Abschreibung)

(Service Strategy) A measure of the reduction in value of an Asset over its life. This is based on wearing out, consumption or other reduction in the useful economic value.

Design

(Service Design) An activity or process that identifies requirements and then defines a solution that is able to meet these requirements, See also Service Design.

Detection (Erkennung)

(Service Operation) A stage in the Incident Lifecycle. Detection results in the Incident becoming known to the Service Provider. Detection can be automatic, or can be the result of a user logging an Incident.

Detection time (Erkennungszeit)

Development (Entwicklung)

(Service Design) The Process responsible for creating or modifying an IT Service or Application. Also used to mean the role or group that carries out Development work.

Development Environment (Entwicklungsumgebung)

(Service Design) An Environment used to create or modify IT Services or Applications. Development Environments are not typically subjected to the same degree of control as

Diagnosis (Diagnose)

(Service Operation) A stage in the Incident and Problem Lifecycles. The purpose of Diagnosis is to identify a Workaround for an Incident or the Root Cause of a Problem.

Diagnostic Script (Diagnoseskript)

(Service Operation) A structured set of questions used by Service Desk staff to ensure they ask the correct questions, and to help them Classify, Resolve and assign Incidents. Diagnostic Scripts may also be made available to Users to help them diagnose and resolve their own Incidents.

Differential Charging (Differenzierte Leistungsverrechnung)

A technique used to support Demand Management by charging different amounts for the same IT Service Function at different times.

Digital signature (Digitale Signatur)

Direct cost, prime cost (Direkte Kosten)

(Service Strategy) A cost of providing an IT Service which can be allocated in full to a specific Customer, Cost Centre, Project etc. For example, the cost of providing non-shared servers or software licences. See also Indirect Cost.

Directory Service (Verzeichnisdienst)

(Service Operation) An Application that manages information about IT Infrastructure available on a network, and corresponding User access Rights.

Disaster (Katastrophe)

Disaster recovery (Disaster Recovery)

Disaster recovery management (Disaster Recovery Management)

Disaster recovery planning (Wiederherstellungsplanung)

Discounted cash flow (Abgezinster Geldfluss (in der Ertragswertmethode))

Discounting (Rabattrierung)

Distributed computing (Verteilte Datenverarbeitung)

Distributed system (Verteiltes System)

Do Nothing (Nichts tun)

(Service Design) A Recovery Option. The Service Provider formally agrees with the Customer that Recovery of this IT Service will not be performed.

Document (Dokument)

Information in readable form. A Document may be paper or electronic. For example, a policy statement, Service Level Agreement, Incident Record, diagram of computer room layout: See also Record.

Domain (Domäne)

Dormant Contract (Inaktiver Vertrag)

Downsizing (Kürzen, Herabsetzen)

Downtime (Ausfallzeit)

(Service Design) (Service Operation) The time when a Configuration Item or IT Service is not available during its Agreed Service Time. The Availability of an IT Service is , often calculated from Agreed Service Time and Downtime.

Driver (Motivation, Motiv, Treiber)

Something that influences Strategy, Objectives or Requirements. For example, new legislation or the actions of competitors.

Duplex (full and half) (Duplex (Voll- und Halb-Duplex))