Clock Synchronization Method and Device

A clock synchronization device, comprising:

• a receiving module configured to receive a preconfigured multi-protocol label switching (MPLS) capability parameter and a traffic engineering (TE) capability parameter, and establish, based on the MPLS capability parameter and the TE capability parameter, an MPLS tunnel interface;
• a tunnel establishment module configured to establish, according to the MPLS tunnel interface, an MPLS TE tunnel whose bidirectional paths are consistent between a first clock synchronization device and a second clock synchronization device, wherein the clock synchronization device is the first clock synchronization device;
• and
• a message interaction module configured to perform clock synchronization message interaction with the second clock synchronization device through the established MPLS TE tunnel.

A non-transitory computer-readable medium having computer usable instructions stored thereon for execution by a processor, wherein the instructions cause the processor to:

• receive, by a first clock synchronization device, a preconfigured multi-protocol label switching (MPLS) capability parameter and a traffic engineering (TE) capability parameter, and generate, based on the MPLS capability parameter and the TE capability parameter, an MPLS tunnel interface;
• establish, by the first clock synchronization device according to the MPLS tunnel interface, an MPLS TE tunnel whose bidirectional paths are consistent between the first clock synchronization device and a second clock synchronization device;
• and
• perform, by the first clock synchronization device, clock synchronization message interaction with the second clock synchronization device through the established MPLS TE tunnel.