||CMMI: CMMI® for Services, Version 1.2
SP 1.2 Establish Lifecycle Model Descriptions
1.2 Establish Lifecycle Model
Establish and maintain descriptions of lifecycle
models approved for use in the organization.
Lifecycle models may be developed for a variety
of customers or in a variety of situations, since one lifecycle model may
not be appropriate for all situations. Lifecycle models are often used to
define phases of the project. Also, the organization may define different
lifecycle models for each type of product and service it
- Descriptions of lifecycle
- Select lifecycle models based on the needs
of projects and the organization.
The selection of a service lifecycle model depends
on the characteristics of the services and the environment. Some service
providers define lifecycle phases based on their standard service
|Examples of sets of phases that may
comprise a service lifecycle include the following:
- Plan, define, enable, and
- Scope definition, planning, execution, and
- Strategy, design, transition, operation, and
Often, individual service domains have
implicit lifecycles associated with them that involve points of
communication, evaluation, and decision. Descriptions of these points
may be included in the set of descriptions of lifecycle models approved
for use in the organization.
|Examples of project lifecycle models
used for developing a service system include the following:
- Document descriptions of lifecycle
may be documented as part of the organizationís standard process
descriptions or they may be documented separately.
- Conduct peer reviews on lifecycle
- Revise the descriptions of lifecycle models