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Automatic communication address distribution method

A communication address and automatic allocation technology, applied in the field of communication, can solve problems such as automatic allocation of communication addresses, and achieve the effect of improving the efficiency of networking

Pending Publication Date: 2022-04-29
SHENZHEN HOPEWIND ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a method for automatically assigning communication addresses to solve the problem of how to automatically assign communication addresses

Method used

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  • Automatic communication address distribution method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] as Figure 1 As shown, the first embodiment of the present application provides a method of automatic assignment of a mailing address, the method comprising:

[0028] Step S11: The master node sends a query frame containing the hash table round and hash table sequence number to the slave node;

[0029] The master node sends a query frame containing a hash table round and a hash table sequence number to the slave node, further comprising:

[0030] The master node transmits the hash algorithm configuration frame to the slave node so that the hash algorithm configuration frame transmitted by the master node is received from the node, and in the case of receiving the hash algorithm configuration frame, the hash calculation is performed according to the hash algorithm configuration frame and its own characteristic information to generate a hash table sequence number.

[0031] Understandably, the master node can broadcast to all slave nodes to send hash algorithm configuration fr...

Embodiment 2

[0055] as Figure 4 As shown, the second embodiment of the present application provides a communication address automatic allocation method, the method for the master node. The method comprises:

[0056] Step S21: Send a query frame containing the hash table round and hash table ordinal number to the slave node;

[0057] Step S22, after receiving the reply frame fed back from the node, select an idle address from the table of communication addresses to assign to the slave node.

[0058] In one example, the query frame sent to the slave node containing a hash table round and hash table ordinal number, previously further comprising:

[0059] Sends a hash algorithm configuration frame to the slave node.

[0060] In one example, the query frame is sent to the slave node containing a hash table round and a hash table ordinal number, after which further comprises:

[0061] If no information is received within a preset time, it is determined that the slave node corresponding to the hash ta...

Embodiment 3

[0078] as Figure 6 As shown, the third embodiment of the present application provides a method of automatic assignment of a mailing address, the method for slave nodes. The method comprises:

[0079] Step S31: Receive the query frame sent by the master node containing the hash table round and hash table sequence number;

[0080] Step S32, in the case of receiving the query frame, if the hash table sequence number in the query frame is the same as the hash table sequence number generated by itself, the reply frame is fed back to the master node.

[0081] In one example, the receiving master node sends a query frame containing a hash table round and a hash table ordinal number, previously further comprising:

[0082] Receive the hash algorithm configuration frame sent by the master node;

[0083] In the case of receiving the hash algorithm configuration frame, the hash calculation is performed according to the hash algorithm configuration frame and its own characteristic information...

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Abstract

The invention discloses an automatic communication address allocation method. The method comprises the following steps: a master node sends a query frame containing a hash table round and a hash table serial number to a slave node; under the condition that the slave node receives the query frame, if the serial number of the hash table in the query frame is the same as the serial number of the hash table generated by the slave node, feeding back a response frame to the master node; and after receiving a response frame fed back by the slave node, the master node selects an idle address from a communication address table and allocates the idle address to the slave node. According to the invention, the master and slave nodes realize automatic allocation of slave node addresses through query frames and response frames on the basis of hash table serial numbers calculated by a hash algorithm; hash conflicts can be recognized and eliminated through multiple rounds of Hash, and the system networking efficiency is improved.

Description

Technical field [0001] The present application relates to the field of communication technology, in particular to a method of automatic allocation of correspondence addresses. Background [0002] With the development of electronic information technology, all kinds of industrial and commercial products are becoming more and more intelligent, and the system is becoming more and more complex. A complete product solution that typically contains multiple devices and requires communication and interaction data between devices to function properly. Support multi-device communication network, need to support equipment identification, address allocation, node dynamic management and other functions; and complex systems often need to be installed in the field for communication networking, the traditional manual configuration method is time-consuming, laborious, easy to error, and can not achieve dynamic management of communication nodes, can not meet the application needs of modern product...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L61/5046H04L61/30
CPCH04L61/3005
Inventor 秦志肖新帅周党生
Owner SHENZHEN HOPEWIND ELECTRIC CO LTD