The dependency arrows still point downward, but the OrdersController is now additionally bypassing the OrdersService for some use cases. This organization is often called a relaxed layered architecture, as layers are allowed to skip around their adjacent neighbor(s). In some situations, this is the intended outcome—if you’re trying to follow the CQRS5 pattern, for example. In many other cases, bypassing the business logic layer is undesirable, especially if that business logic is responsible for ensuring authorized access to individual records, for example.
