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Across every business, there exist a small number of workloads that are too important to fail. These workloads are considered mission critical. When those workloads experience outages or performance degradation, the adverse impact on revenue and profitability can be felt across the entire company.
At the other end of the spectrum, some workloads can go months at a time without being used. Poor performance or outages for those workloads is not desirable, but the impact is isolated and limited.
Understanding the criticality of each workload in the IT portfolio is the first step toward establishing mutual commitments to cloud management. The following diagram illustrates a common alignment between the criticality scale to follow and the standard commitments made by the business.
The first step in any business criticality alignment effort is to create a criticality scale. The following table presents a sample scale to be used as a reference, or template, for creating your own scale.
Criticality | Business view |
---|---|
Mission-critical | Affects the company's mission and might noticeably affect corporate profit-and-loss statements. |
Unit-critical | Affects the mission of a specific business unit and its profit-and-loss statements. |
High | Might not hinder the mission, but affects high-importance processes. Measurable losses can be quantified in the case of outages. |
Medium | Impact on processes is likely. Losses are low or immeasurable, but brand damage or upstream losses are likely. |
Low | Impact on business processes isn't measurable. Neither brand damage nor upstream losses are likely. Localized impact on a single team is likely. |
Unsupported | No business owner, team, or process that's associated with this workload can justify any investment in the ongoing management of the workload. |
It's common for businesses to include additional criticality classifications that are specific to their industry, vertical, or specific business processes. Examples of additional classifications include:
Later in the cloud-adoption process, the cloud management team will use this classification to determine the amount of effort required to meet aligned levels of criticality. In on-premises environments, operations management is often purchased centrally and treated as a necessary business burden, with little or no additional operating costs. Like all cloud services, operations management is purchased on a per-asset basis as monthly operating costs.
Because there's a clear and direct cost to operations management in the cloud, it's important to properly align costs and desired criticality scales.
An initial review of every workload in the portfolio can be time consuming. To ensure that this effort doesn't block your broader cloud strategy, we recommend that your teams agree on a default criticality to apply to all workloads.
Based on the preceding criticality-scale table, we recommend that you adopt medium criticality as the default. Doing so will allow your cloud strategy team to quickly identify workloads that require a higher level of criticality.
Understanding, identifying and designating business criticality is the first major step. The next management consideration topic is to ensure your operational compliance requirements, especially security compliances, are aligned. Performing the same methodologies for business criticality to your security compliance considerations will:
Apply the operational compliance content to ensure that your business requirements, criticality, and compliance requirements are aligned.
Next, review and use the overview of the Azure Security Benchmark content to ensure the various control domains are identified and mapped to your operational-compliance.
Lastly, ensure the incorporation of the governance and security content in Security control v2: Governance and strategy is documented within your overall business operational methodologies.
The following steps apply if you're using the operations management workbook to plan for cloud management.
Scale
worksheet.Example
worksheet or the Clean Template
worksheet to reflect the default criticality in the Criticality
column.After your team has defined business criticality, you can calculate and record business impact.
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As workloads are deployed to the cloud, operations are critical to success.
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