An Improved Method for Clock Synchronization Supermaster Clock Hot Backup
A main clock and hot backup technology, applied in the field of communication network, can solve problems such as clock oscillation, achieve the effect of retaining flexibility, reducing link oscillation time, and shortening the time required for re-election
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[0023] Aiming at the stability problem of clock synchronization after TSN network changes, the invention proposes a new hot backup method of sub-domain division and redundant super master clock selection. The method of the present invention is realized by providing a complete set of supermaster clock failure detection and hot backup clock selection and activation schemes in a network without topology detection, and the specific steps are:
[0024] Step 1: After the network reaches stability for the first time, the time-aware system with super-master clock qualification obtains the step size from the system to the super-master clock. If the BMCA algorithm is enabled in the network, it can obtain the smallest stepsRemoved in the system port Participate in the algorithm as a step size.
[0025] And according to the network scale and characteristics, a new sub-domain division method is given. According to the distance between the time-aware system and the super-master clock, when ...
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