- IT service management
IT Service Management (ITSM) is a discipline for managing
information technology(IT) systems, philosophically centered on the "customer's perspective of IT's contribution to the business." ITSM stands in deliberate contrast to technology-centered approaches to IT management and business interaction. The following represents a characteristic statement from the ITSM literature:
:"Providers of IT services can no longer afford to focus on technology and their internal organization, they now have to consider the quality of the services they provide and focus on the relationship with customers." [cite book|author=IT Service Management Forum|title=IT Service Management: An Introduction|editor=van Bon, J.|publisher=Van Haren Publishing|year=2002|id=ISBN 90-806713-4-7 Emphasis added.]
No one author, organization, or vendor owns the term "IT Service Management" and the origins of the phrase are unclear.
ITSM is process-focused and in this sense has ties and common interests with process improvement movement (e.g.,
TQM, Six Sigma, Business Process Management, CMMI) frameworks and methodologies. The discipline is not concerned with the details of how to use a particular vendor's product, or necessarily with the technical details of the systems under management. Instead, it focuses upon providing a framework to structure IT-related activities and the interactions of IT technical personnel with business customers and users.
ITSM is generally concerned with the "
back office" or operational concerns of information technology management (sometimes known as operations architecture), and not with technology development. For example, the process of writing computer softwarefor sale, or designing a microprocessorwould not be the focus of the discipline, but the computer systems used by marketing and business development staff in software and hardware companies would be. Many non-technology companies, such as those in the financial, retail, and travel industries, have significant information technology systems which are not exposed to customers.
In this respect, ITSM can be seen as analogous to an
enterprise resource planning(ERP) discipline for IT - although its historical roots in IT operations may limit its applicability across other major IT activities, such as IT portfolio managementand software engineering.
IT Service Management is frequently cited as a primary enabler of
IT Governance(or Information Management) objectives.
The concept of "Service" in an IT sense has a distinct operational connotation, but it would be incorrect then to assume that IT Service Management is only about IT operations. However, it does not encompass all of IT practice, and this can be a controversial matter.
It does not typically include
project managementor program managementconcerns. In the UK for example, the IT Infrastructure Library(ITIL), a government-developed ITSM framework, is often paired with the PRojects IN Controlled Environments project methodology and Structured Systems Analysis and Design Method for systems development.
ITSM is related to the field of
Management Information Systems(MIS) in scope. However, ITSM has a distinct practitioner point of view, and is more introspective (i.e. IT thinking about the delivery of IT to the business) as opposed to the more academic and outward facing connotation of MIS (IT thinking about the 'information' needs of the business).
IT Service Management in the broader sense overlaps with the discipline of
IT portfolio management, especially in the area of IT planning and financial control.
The degree to which
software engineeringis an ITSM concern is unclear. Certainly, the available ITSM literature has a distinct operational flavor, but also shades into software quality and architectural concerns (especially related to infrastructure, capacity, and operability), while usually steering clear of project management and actual software development. Similarly, the relationship of ITSM to the field of Enterprise Architectureis unclear.
There are a variety of frameworks and authors contributing to the overall ITSM discipline. [cite book|author=van Bon, J.(Editor)|title=The guide to IT service management|publisher=Addison Wesley|year=2002|id=ISBN 0-201-73792-2] Frameworks that might be considered to provide examples or instances of ITSM include:
Information Technology Infrastructure Library(ITIL)
* Control Objectives for Information and Related Technology (CobiT)
IBM Tivoli Unified Process (ITUP)and [http://www-306.ibm.com/software/tivoli/governance/servicemanagement/welcome/process_reference.html IBM Process Reference Model for IT] [ [http://www.research.ibm.com/journal/sj46-3.html IBM Systems Journal] ]
Application Services Library(ASL)
* Business Information Services Library [ [http://www.bita-center.com/bisl2 Business Information Services Library] ] (BISL)
Microsoft Operations Framework(MOF)
* The Helpdesk Institute (HDI) have produced [cite book|author=Carrie Higday-Kalmanowitz (Editor), Sandra E. Simpson (Editor)|title=Implementing Service and Support Management Processes|publisher=van Haren Publishing|year=2005|id=ISBN 90-77212-43-4] a support centre focussed approach to Service Management loosely based on ITIL.
* The [http://www.harriskern.com/index.php?m=p&pid=1 Enterprise Computing Institute] publishes a set of coordinated books covering general issues of large scale IT management.
* [http://books.elsevier.com/uk//computerweekly/uk/subindex.asp?maintarget=&isbn=&country=United+Kingdom&srccode=&ref=&subcode=&head=&pdf=&basiccode=&txtSearch=&SearchField=&operator=&order=&community=computerweekly Butterworth-Heinemann (Computer Weekly Professional Series)] also has developed a notable set of publications covering IT Service Management, with particular attention to IT portfolio topics.
* The eSourcing Capability Model for Service Providers (
eSCM-SP) and eSourcing Capability Model for Client Organizations ( eSCM-CL) from the ITSqcfor Sourcing ManagementThere are also a variety of proprietary approaches available from IT service providers, consultants, and research firms.
There is an international, chapter-based professional association, the
IT Service Management Forum(ITSMF), which has a semi-official relationship with ITIL and the ITSM audit standard ISO/IEC 20000.
There is also a global professional association, the IT Service Management Professionals Association (IT-SMPa) which is dedicated to bringing together those professionals who seek to network with others to improve, align, educate and foster real interaction to ensure successful delivery of Service Management value.
IT-SMPa (itsmpa.org) is dedicated to being the leading professional association for IT Service Managers, managed by and for its members dedicated to the advancement of IT Service Management through education, peer networking, training, and the promotion of best practices and solid business process disciplines.
Information Technology Infrastructure Library
IT Service Management is often equated with the
Information Technology Infrastructure Library, (ITIL), an official publication of the Office of Government Commercein the United Kingdom. However, while a version of ITSM is a component of ITIL, ITIL also covers a number of related but distinct disciplines and the two are not synonymous.
The "Service Management" section of ITIL version 2 was made up of eleven different disciplines, split into two sections, Service Support and Service Delivery. This use of the term "Service Management" is how many in the world interpret ITSM, but again, there are other frameworks, and conversely, the entire ITIL library might be seen as IT Service Management in a larger sense.
ITIL v3rewrite has not similarly designated a subset as "Service Management."
Other frameworks and concern with the overhead
Analogous to debates in software engineering between agile and prescriptive methods, there is debate between lightweight versus heavyweight approaches to IT service management. Lighter weight ITSM approaches include:
* ITIL Small-scale Implementation [cite book|authors=Sharon Taylor and Ivor Macfarlane|title=ITIL Small Scale Implementation|publisher=The Stationery Office|year=2005|id=ISBN 0-11-330980-5] colloquially called “ITIL Lite” is an official part of the ITIL framework.
* [http://becta.org.uk/fits FITS] was developed for UK schools. It is a simplification of ITIL.
* [http://www.corepractice.org Core Practice] (CoPr or “copper”) calls for limiting Best Practice to areas where there is a business case for it, and in other areas just doing the minimum necessary.
Governance and audit
Several benchmarks and assessment criteria have emerged that seek to measure the capability of an organisation and the maturity of its approach to service management. Primarily, these alternatives provide a focus on compliance and measurement and therefore are more aligned with corporate governance than with IT service management per se.
ISO/IEC 20000(and its ancestor BS15000). This standard is not identical in taxonomy to ITIL and includes a number of additional requirements not detailed within ITIL and some differences. But they are the closest thing to an “ITIL assessment standard.”
COBIT(or the lighter COBIT Quickstart) is comprehensive and widely embraced. It incorporates IT Service Management within its Control Objectives for Support and Delivery.
List of IT Service Management providers
*cite book | author=April & Abran | title=Software Maintenance Management | location=New York | publisher=John Wiley & Sons | year=2008 | id=ISBN 0-470-14707-5
* cite web
title=The Eight Essential Elements of an IT Service Lifecycle
Eric J. Feldman
* cite web
title=Topic Overview: IT Service Management
* [http://www.itil.co.uk/ The OGC website]
* [http://www.itsmf.com/ IT Service Management Forum]
* [http://itsm.certification.info/ ITSM Encyclopedia]
* [http://www.itsm-gateway.com/ IT Service Management Resources]
* [http://www.itsmpa.org/ The IT Service Management Professionals Association]
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