Abstract: The present disclosure provides an apparatus and a method for providing end-to-end Quality of Service (QoS) guarantee within the service network. The apparatus is implemented by a Service Resource Monitor/Manager (SRM), and includes a service processing unit and a resource management unit. The method includes: configuring an SRM within the service network, monitoring and managing, by the SRM, resource utilization of application servers within the service network; after receiving a service request of a subscriber service, generating, by the SRM, a processing plan for the subscriber service according to the obtained information about resource utilization of the application servers within the service network and QoS requirement required by the subscriber service which is carried in the service request, and delivering the specific processing plan to a sender of the service request.