You've learned about user-provided services and service brokers to manage services external to PCF, but which service strategy is best for your organization? This would vary from organization to organization. Unless the answer was known with all service usage data available on hand, the best approach is to be agile and adapt as necessary to minimize the effort to reach your intended goal. Follow a test-driven approach. Start with the simplest solution, learn, and adapt. If there is, at the current time, a manageable number of Orgs or Spaces, say five Spaces, using an external service, a user-provided service approach would be best. Thereafter, if the number of external services increases and spans out to multiple Orgs, a service broker would be a good solution.
The key concept to remember is that so far we've talked about services external to PCF. This means that your organization's platform team would be responsible for managing the service. There are two...