Patent attributes
The present invention discloses a service path generation method and apparatus. The method includes: receiving a downlink service path request sent by a classifier, where the downlink service path request carries an identifier of a downlink service chain; obtaining uplink service path information, and obtaining, according to the uplink service path information, identifiers of service devices on the uplink service path; selecting, from the identifiers of service devices on the uplink service path, an identifier of a service device according to the identifier of the downlink service chain; and generating a downlink service path according to the selected identifier of the service device.