Provided in an embodiment of the present invention are a routing method, device and system, improving not only the efficiency of acquiring a container set, but also the scalability of a name resolution system. The method comprises: an authoritative resolution server receives the identifier of the requested content transmitted by a first device according to the identifier of the authoritative resolution server; the authoritative resolution server searches for a correspondence between the pre-obtained identifier of the current requested content and the container set according to the identifier of the requested content, and acquires a first container set corresponding to the identifier of the current requested content; and the authoritative resolution server acquires the requested content according to the first container set corresponding to the identifier of the current requested content and the identifier of the requested content.