Service calling method and device and service processing method and device under unitized architecture

The invention provides a service calling method and device and a service processing method and device under a unitized architecture, and can be applied to the technical field of computers and the field of finance. The service calling method comprises the following steps: in response to a detected starting operation, generating access position information according to the starting operation; a target routing rule is determined according to the access position information, the access position information comprises a service name, and the target routing rule is associated with the service name; under the condition that the target routing rule is cross-unit calling, determining identification information in the access position information; determining a target service unit associated with the identification information according to the identification information; and sending the service calling request to the target service unit, so that the target service unit processes the service calling request. 本公开提供了一种单元化架构