Method for realizing synchronous information between multiple nodes

An information synchronization and multi-node technology, applied in the direction of synchronization device, synchronization signal speed/phase control, digital transmission system, etc., can solve the problems of data synchronization and out-of-synchronization data detection in time, so as to overcome the inability to take into account and enhance the Synchronization Reliability, Effect of Simple Sequence Number Detection Mechanism

Active Publication Date: 2009-07-08
ZTE CORP
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  • Description
  • Claims
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Problems solved by technology

In addition, this synchronization method cannot detect the out-of-sync data in time, and can only re-synchronize the out-of-sync data after one cycle of synchronization is completed, so the data may not be synchronized to other nodes in time

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  • Method for realizing synchronous information between multiple nodes
  • Method for realizing synchronous information between multiple nodes
  • Method for realizing synchronous information between multiple nodes

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the implementation of technical scheme is described in further detail:

[0023] figure 1 It is a schematic diagram of the environment in which the present invention is implemented. The whole system is composed of the master node and other nodes. Each node is connected through Ethernet. When there is data that needs to be synchronized from the master node to other nodes, the master node will send the information that needs to be synchronized to other nodes through Ethernet. The master node can send Information can be synchronized to a single node or to multiple nodes. When performing single node synchronization, unicast communication is used, and when multi-node synchronization is performed, multicast communication is used. 001 is the synchronization master of the entire synchronization process, residing on the master node, and the synchronization information is synchronized from the master node to other nodes. The synchr...

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Abstract

The invention realizes a data synchronization method among multiple nodes. When there is information to be synchronized, the master node caches the synchronization information in the synchronization queue and assigns a sequence number. When performing synchronization, the master node takes out the synchronization information from the synchronization queue and adds it to the synchronization data area, records the start sequence number and the end sequence number corresponding to the synchronization information into the synchronization message header structure, and then the master node passes unicast or multicast Send synchronization messages to other nodes. After receiving the synchronization message, other nodes adopt a simple serial number detection mechanism to ensure the reliability of synchronization, and take out the synchronization information in the synchronization data to complete the information synchronization.

Description

technical field [0001] The invention relates to a point-to-point or multi-point information synchronization method, which can be widely used in the fields of database, communication equipment route synchronization, master-standby redundant system data synchronization and the like. Background technique [0002] The US patent "System and method for multi-node data synchronization" with the patent number of 6188695 was submitted by Ericsson to the US Patent Office on December 18, 1997. This patent proposed a solution for data synchronization between multiple nodes. The manager (index manager) assigns an index (index) to all data that needs to be synchronized. The index is associated with the address of the stored data and the data transfer function (DTF). Request the index for storing data, and the index manager returns the index assigned to the application program. At the same time, the index manager notifies DTF to receive the new index that needs to be synchronized, passes t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L7/00H04L7/06
Inventor 张建冯涛
Owner ZTE CORP
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