Change Management 改變管理 Kái-piàn koán-lí

發生佇系統升級，新軟體安裝時陣。

標準操作程序：

• Request the change
• Review the change
• Approve/reject the change
• Test the change
• Schedule and implement the change
• Document the change

Technical Implications：

• Allow lists/whitelists
• Deny lists/block lists
• Restricted activities

其他衝擊改變管理的因素：

• Downtime
• Service restart
• Application restart
• Legacy applications
• Dependenies

Documentation

做文件保證改變透明可靠，佮清楚了解已經做了啥物改變。
Updating diagrams
Updating policies/procedures

Version control