Capacity Management - Revision history

Andrea at 12:05, 20 January 2025

2025-01-20T12:05:39Z

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	<span id="md-webpage-description" itemprop="description">Nobody would dispute that service capacity and performance must be managed. But does that mean we need a capacity management process?</span>		<span id="md-webpage-description" itemprop="description">Nobody would dispute that service capacity and performance must be managed. But does that mean we need a capacity management process?</span>
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Andrea at 16:38, 19 July 2024

2024-07-19T16:38:57Z

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	==Capacity management in the ITSM frameworks==		==Capacity management in the ITSM frameworks==
	~~[[Capacity Management\|~~Capacity management]] is a key topic in all service management frameworks and standards. For example,		<b><span style="color:#465674;">Capacity management</span></b> is a key topic in all service management frameworks and standards. For example,

	* [[ITIL#ITIL_4\|ITIL 4]] includes the practice of [[YaSM_and_ITIL#ITIL-4-Capacity-and-performance-management\|capacity and performance management]]		* [[ITIL#ITIL_4\|ITIL 4]] includes the practice of [[YaSM_and_ITIL#ITIL-4-Capacity-and-performance-management\|capacity and performance management]]
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	==Capacity and performance management in YaSM==		==Capacity and performance management in YaSM==

	<html><div id="https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg" itemscope itemtype="https://schema.org/ImageObject">		<span style="word-wrap:normal;">To get around these problems in [[What_is_YaSM\|YaSM]], we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own.</span>
	~~<a href="https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg" title="Capacity management in the YaSM process model" itemprop="contentUrl~~">
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	<~~img style~~="~~margin~~:~~5px 0px 30px 30px; float~~:~~right;~~" srcset="https://yasm.com/wiki/en/img/yasm-service-management/480px/capacity-management.jpg 480w, https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg 1200w" sizes="100vw" src="https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg" width="480" height="270" title="Capacity and performance management in the YaSM model" ~~alt="~~Capacity ~~Management:~~ Managing service capacity and performance in YaSM." /></a></div></html>		<figure class="mw-halign-right" typeof="mw:File/Thumb"><a itemprop="contentUrl" href="https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg" title="Capacity and performance management in the YaSM process model"><img srcset="https://yasm.com/wiki/en/img/yasm-service-management/480px/capacity-management.jpg 480w, https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg 1200w" sizes="100vw" src="https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg" fetchpriority="high" decoding="async" width="480" height="270" class="mw-file-element" alt="Capacity management: Managing service capacity and performance in YaSM." /></a><figcaption><span style="font-variant:small-caps;"><b>Fog. 1: <a href="https://yasm.com/wiki/en/img/yasm-service-management/capacity-management.jpg" title="Capacity and performance management in the YaSM process model">Capacity management</a></b><br />Managing service capacity and performance in YaSM.</span></figcaption></figure></div></html>

	<span style="word-wrap:normal;">To get around these problems in [[What_is_YaSM\|YaSM]], we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.~~</span>~~		Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.

	* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction\|strategic]] and [[LP2:_Design_new_or_changed_services\|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.		* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction\|strategic]] and [[LP2:_Design_new_or_changed_services\|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.
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	As a result, it is very clear in YaSM how service capacity and performance can be managed by embedding appropriate activities in the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle processes]]. Implementing a capacity management capability in practice is thus quite straightforward.		As a result, it is very clear in YaSM how service capacity and performance can be managed by embedding appropriate activities in the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle processes]]. Implementing a capacity management capability in practice is thus quite straightforward.

	On a side note, the YaSM way of managing service capacity is quite in line with the latest service management guidelines. ITIL v4, for instance, describes capacity management as a practice and lists the key activities, but does not say there must be a capacity management process. Rather, ITIL 4 encourages service providers to define tailor-made processes that work for the organization.		On a side note, the YaSM way of managing service capacity is quite in line with the latest service management guidelines. [[ITIL#ITIL_4\|ITIL<sup><small>®</small></sup> 4]], for instance, describes capacity management as a practice and lists the key activities, but does not say there must be a capacity management process. Rather, ITIL v4 encourages service providers to define tailor-made processes that work for the organization.

	==Notes==		==Notes==
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Andrea at 15:54, 30 December 2023

2023-12-30T15:54:33Z

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	==References==		==References==
			<span id="ref-capacity-mgmt">[a] IT Process Wiki - ITIL Capacity Management. -- S. Kempter: IT Process Wiki, "[https://wiki.en.it-processmaps.com/index.php/Capacity_Management ITIL Capacity Management]". - IT Process Maps; Lindau (Bodensee), Germany.</span><br />
	[AXELOS, 2019]. -- AXELOS: ITIL<sup><small>®</small></sup> Foundation, ITIL 4 Edition. - The Stationery Office; Norwich, UK, February 2019.		[AXELOS, 2019]. -- AXELOS: ITIL<sup><small>®</small></sup> Foundation, ITIL 4 Edition. - The Stationery Office; Norwich, UK, February 2019.

Andrea at 13:50, 23 July 2022

2022-07-23T13:50:13Z

Andrea at 16:47, 2 July 2022

2022-07-02T16:47:43Z

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	<span style="word-wrap:normal;">To get around these problems in YaSM, we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.</span>		<span style="word-wrap:normal;">To get around these problems in [[What_is_YaSM\|YaSM]], we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.</span>

	* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction\|strategic]] and [[LP2:_Design_new_or_changed_services\|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.		* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction\|strategic]] and [[LP2:_Design_new_or_changed_services\|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.
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	<!-- This page is assigned to the following categories: -->		<!-- This page is assigned to the following categories: -->
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Andrea at 13:28, 7 October 2021

2021-10-07T13:28:46Z

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	To get around these problems in YaSM, we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.		<span style="word-wrap:normal;">To get around these problems in YaSM, we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.</span>

	* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction\|strategic]] and [[LP2:_Design_new_or_changed_services\|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.		* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction\|strategic]] and [[LP2:_Design_new_or_changed_services\|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.

Andrea: Created page with "Capacity Management | YaSM Wiki
2020-02-16T17:22:57Z

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<span id="md-webpage-description" itemprop="description">Nobody would dispute that service capacity and performance must be managed. But does that mean we need a capacity management process?</span>
<p> </p>

==Capacity management in the ITSM frameworks==
Capacity management is a key topic in all service management frameworks and standards. For example,

* [[ITIL#ITIL_4|ITIL 4]] includes the practice of [[YaSM_and_ITIL#ITIL-4-Capacity-and-performance-management|capacity and performance management]]
* ITIL v3 defines [[YaSM_and_ITIL_V3#yasm-vs-itil-capacity-management|capacity management]] as a service lifecycle process
* SIAM refers to capacity management as one of the processes within a SIAM ecosystem
* In VeriSM, capacity management is a key element in the VeriSM high-level stages for services
* ISO 20000 specifies requirements for the [[ISO_20000_-_2018#Supply-and-demand|management of service capacity and performance]].

As per ITIL<sup><small>®</small></sup> 4, capacity management aims to "ensure that services achieve agreed and expected performance, satisfying current and future demand in a cost-effective way". It is essentially about
* forecasting what capacity is needed to provide a service
* determining how the required resources can be provided in an economical way
* monitoring and adjusting service capacity on an ongoing basis.

==Capacity management - a difficult process?==

So it is widely accepted that the management of service capacity is critical for any service provider, but still many organizations find it difficult to implement capacity management in practice.

The problem seems to be the way it is presented: Capacity management is usually described as a distinct process, practice or capability, using its own set of plans and reports. It has numerous interfaces with other processes because it needs to spring into action whenever service capacity or performance issues need to be dealt with.

This kind of complex interfacing makes it hard to understand how all the processes are supposed to work together, which in turn makes it difficult to implement a working set of processes in practice.

==Capacity and performance management in YaSM==

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To get around these problems in YaSM, we decided that capacity management does not need to be a [[Service Management Processes|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.

* There are thus, for instance, activities in the [[LP1:_Set_the_strategic_direction|strategic]] and [[LP2:_Design_new_or_changed_services|service design]] processes to forecast the expected demand for new services, and to define the required capacity and performance levels.
* Service capacity and performance are continually monitored as part of [[LP4:_Operate_the_services|service operation]], and
* if any capacity issues are detected, corrective action will be taken - either in the form of pre-defined routine operational activities or [[LP5:_Improve_the_services#LP5.3|service improvement initiatives]].

As a result, it is very clear in YaSM how service capacity and performance can be managed by embedding appropriate activities in the [[Service_Management_Processes#Service_lifecycle_processes|service lifecycle processes]]. Implementing a capacity management capability in practice is thus quite straightforward.

On a side note, the YaSM way of managing service capacity is quite in line with the latest service management guidelines. ITIL v4, for instance, describes capacity management as a practice and lists the key activities, but does not say there must be a capacity management process. Rather, ITIL 4 encourages service providers to define tailor-made processes that work for the organization.

==Notes==

<html>Virtually all other service management guidelines and standards include capacity management:</p>
<ul><li>CMMI-SVC® contains a process area called '<a href="https://yasm.com/wiki/en/index.php/YaSM_and_CMMI_for_Services_-_CMMI-SVC#CAM" title="CAM in CMMI-SVC">Capacity and Availability Management (CAM)</a>',</li>
<li>USMBOK™ refers to '<a href="https://yasm.com/wiki/en/index.php/YaSM_and_USMBOK#Service-Capacity-Management" title="Service Capacity Management in USMBOK">Service Capacity Management</a>' as a knowledge area,</li>
<li>and in the COBIT® 5 process reference model we find '<a href="https://yasm.com/wiki/en/index.php/YaSM_and_COBIT#Manage-Availability-and-Capacity" title="Manage Availability and Capacity in COBIT">Manage Availability and Capacity</a>' as part of the 'Build, Acquire and Implement (BAI)' processes.</li></ul></html>

==Related pages==
* [[Service Management Processes|YaSM service management processes]]
* [[YaSM_and_ITIL|Comparison: ITIL 4 practices and YaSM processes]]
* [[YaSM and ISO 20000]]

==References==
[AXELOS, 2019]. -- AXELOS: ITIL<sup><small>®</small></sup> Foundation, ITIL 4 Edition. - The Stationery Office; Norwich, UK, February 2019.

<html>By:  Stefan Kempter <a href="https://www.linkedin.com/in/stefankempter"><img style="margin:0px 0px 0px 0px;" src="/wiki/en/img/yasm-wiki/bookmarking/linkedin.jpg" width="16" height="16" title="By: Stefan Kempter | Profile on LinkedIn" alt="Author: Stefan Kempter, IT Process Maps GbR" /></a>, IT Process Maps.
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[[Category:Service management topics|!]]

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	* [[ITIL#ITIL_4\|ITIL 4]] includes the practice of [[YaSM_and_ITIL#ITIL-4-Capacity-and-performance-management\|capacity and performance management]]		* [[ITIL#ITIL_4\|ITIL 4]] includes the practice of [[YaSM_and_ITIL#ITIL-4-Capacity-and-performance-management\|capacity and performance management]]
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	<span style="word-wrap:normal;">To get around these problems in [[What_is_YaSM\|YaSM]], we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.</span>		<span style="word-wrap:normal;">To get around these problems in [[What_is_YaSM\|YaSM]], we decided that capacity management does not need to be a [[Service Management Processes\|service management process]] of its own. Instead, YaSM takes the view that service capacity and performance are aspects to be considered at every stage of the [[Service_Management_Processes#Service_lifecycle_processes\|service lifecycle]] - for instance when defining services, during service operation, and when continuously improving services.</span>
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