| 摘要 |
A method and a system for providing clock information synchronization over a packet network, including: a logic tree of clock synchronization is created in the IP packet network to form an IP clock synchronization network; clock information is converted into an IP data message by a clock gateway equipment, the IP data message is transmitted over the IP clock synchronization network by means of the created logic tree of clock synchronization, so that the clock information is transmitted to a packet network equipment. With the inventive methods and systems, clock synchronization information can be provided over the IP packet network without construction of a synchronization timing network, and the costs of network construction can be reduced. Furthermore, the embodiments of the present invention fully unify a data network and a circuit network and thereby make network maintenances easier and more convenient.
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