ITIL 服务经理考试指南: 5.1 CHANGE MANAGEMENT(2)
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5.1 CHANGE MANAGEMENT (2)
Change 的分类
|
基因代码 |
知识点名称 |
记忆等级 |
知识点内容 |
|
CHM005 |
Change Categorization |
D2 |
Minor Impact: few build or additional runtime resource required.
Significant impact: significant build or runtime resource required.
Major impact: very large amount of build or runtime resources required, or impact likely upon other parts of the organization. |
值得注意的是，MINOR CHANGE 可以由CHANGE MANAGER 批准。SIGNIFICANT CHANGE 由 CAB 批准。MAJOR CHANGE 要由董事会级别的组织批准，CAB 在这里只是起建议的作用。
Change 的定义
|
基因代码 |
知识点名称 |
记忆等级 |
知识点内容 |
|
CHM006 |
Change Definition |
D2 |
Change is the process of moving from one defined state to another |
关键字：process; one defined state to another
FSC/PSA
|
基因代码 |
知识点名称 |
记忆等级 |
知识点内容 |
|
CHM007 |
FSC/PSA |
D2 |
Forward Schedule of Changes, Projected Service Availability.
FSC - Contains details of all the Changes approved for implementation and their proposed implementation dates.
PSA - Contains details of Changes to agreed SLAs and service availability because of the currently planned FSC. |
FSC/PSA 是 CHANGE MANAGEMENT 流程中两个重要的OUTPUT。
STANDARD CHANGE
|
基因代码 |
知识点名称 |
记忆等级 |
知识点内容 |
|
CHM008 |
STANDARD CHANGE |
D2 |
Change to the infrastructure that follows an established path, relatively common, and is the accepted solution to a specific or set of requirements.
- the tasks are well-known and proven
- Authority is effectively given in advance.
- the train of events can usually be initiated by Service Desk
- budgetary approval will typically be preordained or within the control of the Change requester. |
记忆关键字：follows an established path；accepted solution；well-known and proven；Authority given；initiated by Service Desk；budgetary approval。
BENEFITS
在通用内容中，曾经涉及到BENEFIT。这里再由特定的流程的角度阐述一下。
|
基因代码 |
知识点名称 |
记忆等级 |
知识点内容 |
|
CHM009 |
BENEFITS |
D3 |
- Alignment, IT/business
- Visibility of Changes.
- Improved risk assessment
- Reduce adverse impact
- better assessment of cost
- Fewer break out
- Improve Problem Management and Availability Management
- User productivity Improve
- Ability to adsorb large Changes
- Better perception of IT |
<本节待续...>
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