The functional areas will help you identify the stakeholders responsible, accountable, or that need to be informed, and when decisions need to be made. This way the right stakeholders are aware of decisions across the environment and can be present when the decisions are made. These functional areas could map differently within each organization, but they will help you ensure that the relevant stakeholder is present when making critical decisions while building the environment. Each capability will have a section indicating the relevant functional areas.
For more information, read "How to work with the capabilities and the functional areas"
Responsible for central IT functions within your organization. Typically, they provide standards IT services, data center operations and other infrastructure functions.
Responsible for managing the cloud spend and budget. These stakeholders manage licenses, saving plans, and set budgets. They usually work to implement FinOps practices and drive the adoption of cost aware applications.
Responsible for networking connectivity and are typically responsible for deploying firewalls. Are able to establish VPNs and modify firewall rules, and other networking related topics.
Responsible for the day-to-day tasks perform of the environment. They maintain centralize repositories, run operational runbooks to ensure the environment is ready, and are in usually in charge of deploying changes to the shared infrastructure, pipelines, and shared repositories where templates are stored.
Security for AWS is job zero. The security stakeholders usually are responsible for Incorporating security best practices into your environment and workload development is very important to protect your data, customers data, and IP.
Responsible for the development and deployment of your workloads on your cloud environment. They are consumers of shared services. Stakeholders within this area create reusable products and templates for the different workloads and environments.