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That is right!
The ITIL service lifecycle is non-linear in design since it has many feedback loops throughout all its phases.
ITIL-based service lifecycle is non-linear in design. This non-lnearity is due to the existence of multiple feeback loops within the ITIL service model allowing free and unrestricted flow of feedback information in any stage and any phase of the model. It is also due to monitoring, assessment and corretive/improvement action taking dependent on the feedback flow within the model !
The ITILService Lifecycle is non-linear in design. At every point inthe Service Lifecycle, monitoring, assessment and feedbackflows between each stage of the lifecycle which drivedecisions about the need for minor course corrections ormajor service improvement initiatives. The following figureillustrates some examples of the continual feedbacksystem built into the ITIL Service Lifecycle.
