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The key inputs to the SVS are opportunity and demand. The output of the SVS is value delivered by products and services. Opportunity refers to options or possibilities to add value for stakeholders or otherwise improve the organization

https://www.bmc.com/blogs/itil-service-value-system/#:~:text=The%20key%20inputs%20to%20the,or%20otherwise%20improve%20the%20organization .

The purpose of the service configuration management practice is to ensure that accurate and reliable information about the configuration of services, and the CIs that support them, is available when and where it is needed. This includes information on how CIs are configured and the relationships between them.

https://wiki.process-symphony.com.au/framework/lifecycle/process/service-configuration-management-itil-4/

To protect the information needed by the organization to conduct its business. This includes understanding and managing risks to the confidentiality, integrity, and availability of information, as well as other aspects of information security such as authentication and non-repudiation.

https://www.bmc.com/blogs/itil-management-practices/

Value Streams & Processes

The value streams and processes dimension is concerned with how the various parts of the organization work in an integrated and coordinated way to enable value creation through products and services. This dimension defines the activities, workflows, controls and procedures needed to achieve agreed objectives. What matters in service management is that an organization establishes an operating model that that effectively organizes the key activities needed to manage products and services.

Value streams

A value stream is defined as a series of steps an organization undertakes to create and deliver products and services to consumers.

Structuring the organization’s service and product portfolios around value streams allows it to have a clear picture of what it delivers and how, and to make continual improvements to its services. By mapping its value streams, an organization can identify what is critical, what introduces waste and what can be improved upon.

Processes

A process is defined as a set of interrelated or interacting activities that transform inputs into outputs.

Processes define the sequence of actions and their dependencies, as well as describe what is done to accomplish an objective. Processes are underpinned by policies and can be broken down further through procedures which outline what is done, when, and by whom.

https://www.bmc.com/blogs/itil-four-dimensions-service-management/

Nonrepudiation provides an assurance that the sender of data is provided with proof of delivery and the recipient is provided with proof of the sender's identity, so neither can later deny having processed the data. Further, this concept can apply to any activity, not just the sending and receiving of data; in a more general sense, it is a mechanism to prove that an activity was performed and by whom. Nonrepudiation is typically comprised of authentication, auditing/logging, and cryptography services.

https://www.sciencedirect.com/topics/computer-science/nonrepudiation

https://www.bmc.com/blogs/itil-service-level-management/

More complex incidents will usually be escalated to a support team for resolution, or even suppliers and partners who offer support for products and services they provide.

ITIL® has defined four dimensions that collectively are critical to the effective and efficient delivery of value to customers and other stakeholders in the form of products and services. These dimensions are:

Organizations and People

Information and Technology

Partners and Suppliers

Value Streams and Processes

https://www.bmc.com/blogs/itil-four-dimensions-service-management/

The purpose of the release management practice is to make new and changed services and features available for use.

Release: A version of a service or other configuration item, or a collection of configuration items, that is made available for use.

https://wiki.process-symphony.com.au/framework/lifecycle/process/release-management-itil-4/

Service management is a set of specialized organizational capabilities for enabling value for customers in the form of services. These capabilities include tangible things like capital, people, and equipment, and can also include intangible things like knowledge, management and skills. These capabilities can also include intangible things, like knowledge, management, and skills.

https://www.bmc.com/blogs/itil-key-concepts-service-management/#:~:text=Service%20management%20is%20a%20set,like%20knowledge%2C%20management%20and%20skills .