Methods, systems, and apparatus, including computer program products, for implementing a software architecture design for a software application implementing service request and order management. The application is structured as multiple process components interacting with each other through service interfaces, and multiple service interface operations, each being implemented for a respective process component. The process components include an Outbound Delivery process component, a Site Logistics Processing process component, a Confirmation and Inventory process component, a Customer Requirement Processing process component, a Supply and Demand Matching process component, a Logistics Execution Control process component, a Service Request Processing process component, a Customer Quote Processing process component, a Service Order Processing process component, a Service Contract process component, and a Service Confirmation Processing process component.