Abstract: A service tracking method includes that after receiving a service tracking identification and a service request message, recording interaction information of the service if a tracking judging unit judges that the service identified by the service tracking identification corresponds to the service requested by the service request message; and uploading service tracking information to an upload address contained in the service tracking identification, the service tracking information containing the interaction information. A network device, Operation and Maintenance (O&M) controller, and service requesting device provided in embodiments of the present invention may achieve or assist in achieving the service tracking method provided in embodiments of the present invention.

Abstract: A SOAP routing method includes receiving a SIP request message from a service requester where the SIP request message carries application QoS information and service description information, selecting a SOAP intermediate node and a service provider according to the application QoS information and service description information, obtaining the SOAP routing information according to the SOAP intermediate node and service provider, and sending the SIP request message carrying the SOAP routing information to the corresponding service provider. In addition, a routing system and relevant devices are provided.