Definition

ITSM (IT Service Management)

Contributor(s): Stephen J. Bigelow
This definition is part of our Essential Guide: Tools for IT shops seeking full-stack control and unified operations

IT service management (ITSM) is a general term that describes a strategic approach to design, deliver, manage and improve the way businesses use information technology (IT). ITSM includes all the discrete activities and processes that support a service throughout its lifecycle, from service management to change management, problem and incident management, asset management, and knowledge management.

An IT service enables access to information and processes to accomplish important business goals or otherwise provide value. IT services include the deployment and support of enterprise applications, such as Exchange Server; architecting and optimizing IT infrastructure such as storage, networking and cloud resources; creation and management of processes such as helpdesk support and troubleshooting procedures, and other areas. IT teams must create, deploy, manage, optimize and potentially retire each service, with input from the business. Each service can have an associated service-level agreement (SLA), which codifies the expectations of performance and availability and the ramifications if the service falls below these expectations.

IT service delivery is generally discussed in terms of providers and customers, who interact via the IT service desk. An IT service provider selects, designs, deploys and operates the service. The provider can be an internal IT department or a third-party specialist. An IT service customer is any consumer of those services, such as the employee who accesses email through the organization's Exchange Outlook interface. IT organizations generally offer customers an IT service catalog, a list or menu of available services.

There are many roles within the IT service desk. IT services typically start with a need and strategy, and this demands clear guidance from business and IT leaders. Services must then be architected and deployed, requiring the expertise of IT hardware and software application engineers. Services must be monitored and tracked, and problems remediated by IT administrators and helpdesk staff. Key performance indicators (KPIs) for the service must be communicated, with recommendations for service changes and improvements, to the business that uses them.

The benefits of ITSM include business-IT alignment, predictable IT performance and costs, and continual improvement in terms of IT effectiveness and capabilities. When IT processes are orderly and well-managed, organizations can spend less time on proverbial firefighting and devote it to strategic initiatives.

ITSM and IT service delivery sometimes are used interchangeably. However, ITSM emphasizes IT service operation and improvement, while IT service delivery focuses on the quality of the work and meeting customer expectations. Additionally, the terms ITIL (Information Technology Infrastructure Library) and ITSM typically are conflated. ITIL is a well-known and popularized ITSM framework.

ITSM processes

To manage IT services, organizations must control the service's capabilities, how it performs, changes to it and what happens when it experiences problems. These processes fall under several main categories, primarily defined by ITIL, but appearing in various forms in the other ITSM frameworks.

Change management. When a service is out of step with business expectations, it must be modified, expanded or otherwise altered. IT must determine how these changes will affect the service deployment, implement them appropriately, then monitor if the changes have the intended effect. Release management can be grouped with change management or treated as a separate process.

Asset management. Services require software and hardware assets to function. These assets should be tracked, updated appropriately and mapped to show how they interact. Configuration management, capacity management and asset management deal with these concerns and can be blended or separate processes.

Project management. IT services transition between various stages of the lifecycle at different times and different speeds. Project management skills enable IT organizations to maintain orderly services and avoid problems such as outdated systems or shadow IT.

Knowledge management. Knowledge management crosses into the other ITSM processes, and is a way to avoid duplicated work and discovery by organizing and making available information about IT services.

Incident management. When an IT service is disrupted by performance issues or an outage, the IT service desk must address the issue, restore service availability and make improvements and codify procedures to prevent reoccurrence.

Problem management. A problem is the root cause of an incident. An IT organization might remediate an incident but not fix the problem, leading to future incidents. Therefore, problem management is a way to permanently fix issues to improve service delivery and performance.

ITSM software and tools

ITSM's various processes and functions demand the use of a range of tools. ITSM software manages the workflow of service delivery, and can enable communication between customers and providers. This category includes process orchestration, help desk and service desk tools. Examples of ITSM tools include Axios Systems' assyst, ServiceNow, and BMC Remedy.

Other systems management tools aid ITSM processes. These tool categories include configuration management database (CMDB), asset management, license management, application performance monitoring (APM) and log analytics software.

Popular ITSM frameworks

ITSM typically is associated with the service lifecycle outlined in ITIL v3. ITIL processes cover how to set a strategy, create a design, manage change, handle service operation and management, and make continual improvements to the service. However, there are numerous other frameworks and standards used for ITSM and IT service delivery. The goal of every IT service management framework is to ensure that the right ITSM processes, people and technology are in place so that the organization can meet its business goals.

ITIL . The ITIL framework provides best practices for aligning IT with business needs. The most widely used framework for IT process management is ITIL v3, which has five parts: Strategy, Design, Transition, Operations and Continual Service Improvement. Ongoing development for ITIL is vested in Axelos, a joint-venture company created by the U.K. Cabinet Office and Capita PLC. ITIL was created because there was a need for ITSM best practices in the late 1980s, and it has since become the de facto framework used by many organizations across the world. As of this writing, the most widely used framework for ITSM is ITIL v3.


Doug Tedder, ITSM consultant, explains how ITIL works with DevOps.

COBIT. COBIT, which originally stood for Control Objectives for Information and Related Technologies, is a framework for developing, implementing, monitoring and improving IT governance and management practices. The IT Governance Institute and the Information Systems Audit and Control Association (ISACA) publishes the COBIT framework.

Microsoft Operations Framework (MOF). This series of documents guides IT professionals through the processes of creating, implementing and managing efficient and cost-effective services. Like ITIL, MOF includes guidelines for the entire lifecycle of an IT service, from concept to retirement or replacement.

ITSM frameworks and standards
Popular ITSM frameworks include Six Sigma, ITIL and COBIT.

Six Sigma. Motorola  introduced the Six Sigma management framework and it is applied to various disciplines. The framework emphasizes setting extremely high objectives, collecting data and analyzing results to a fine degree as a way to reduce defects in products and services.

ISO 20000. ISO provides global standards such as ISO 20000, which describes the requirements for an ITSM system. Although the British Standards Institutions developed the standard to mirror best practices described within the ITIL framework, it also supports other frameworks, such as MOF.

TOGAF (The Open Group Architecture Framework). This structured approach to ITSM is for companies seeking to organize and govern their implementation of technology, particularly software technology. The Open Group, an independent industry association, created and maintains TOGAF.

This was last updated in September 2018

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What is the biggest challenge of selecting an ITSM framework or software tool?
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In my opinion one of the biggest issue with the ITSM will come after making the decision on what framework to use, for me this is what makes so challenging deciding which ITSM framework to implement. Making the decision depended on some variables, actual & desired maturity level, complexity of the IT operability, IT department size, Company size, main IT operation (Support, Development, others). For each of this a ITSM framework will suite just perfect and other would just make a puzzle of it. In the company I’m working for right know, we are in the middle part of this decision taking process, starting it was challenging executing it probably more, but all ways kipping in mind one of the most impacting recommendation, “keep it simple”.
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It is difficult for me to choose. Many vendors declare much more than testing.
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I wanted to be a service manager in IT industry. Please let me know what type of certification will help me to achieve this role.
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Please assist me with ITSM Tool for IT Audit in any Manufacturing Company.

Thanks

John
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Good Read! Throws light on the why & what of ITSM...
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@Ekafie makes some great points. The decision should also be based on the scale and complexity of the service catalog and the desired scalability of the IT operation. 

The cost of implementing a service management strategy should be balanced against the value. In order to assess this, evaluate the skill level of your existing Service Management people, and the technology changes needed to deliver your chosen framework. 

It's important to also consider the frameworks in use by partners (if any) and their ability to integrate.
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What is the biggest challenge of selecting an ITSM framework to the IT support services based on the SLA requirements?
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