A method for synchronous data message transmission
A technology for message transmission and data synchronization, applied in the field of computer communication, can solve the problem of low performance of synchronous disk mirroring, and achieve the effect of improving mirror writing performance, improving performance, and reducing message interaction
Active Publication Date: 2018-10-12
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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[0004] The present invention aims at the problem that the performance of synchronous disk mirroring is low due to the fact that in sending cmd messages, cmd and data messages are separated, each time a message is sent, the performance of synchronous disk mirroring is low, and a method for transmitting synchronous data messages is provided. , by reducing the waiting time for the data message to respond to the ACK message, thereby improving the transmission efficiency of mirroring messages, improving the performance of disk mirroring writing, reducing the writing delay time of upper-layer applications, improving the efficiency of message transmission, and improving the performance of application services
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[0021] The present invention will be further described in conjunction with the accompanying drawings.
[0022] A synchronous data message transmission method: during the data message transmission process, multiple consecutive data transmissions are marked with a transaction number to form a transaction transmission, and multiple consecutive data transmissions use the same transaction number, and the start message and end message of the transaction transmission are confirmed by ACK , the continuous data message transmission in the middle does not carry out ACK confirmation, and the serial number is marked for the continuous data message in the middle;
[0023] The start message message of a transaction transmission contains operation commands and part of the data content;
[0024] Add flag information to the end message message of a transaction transmission to mark whether the message is over;
[0025] The specific steps for synchronous data message transmission are:
[0026]...
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The invention discloses a synchronous data message transmission method, which belongs to the field of computer communication; the synchronous data message transmission method: in the process of data message transmission, multiple consecutive data transmissions are marked with transaction numbers to form a transaction transmission, and the start message and end message of transaction transmission Carry out ACK confirmation, the intermediate continuous data message transmission does not carry out ACK confirmation, and the serial number of the intermediate continuous data message is marked; the present invention improves the transmission efficiency of the image message by reducing the waiting time for the data message to respond to the ACK message, improves the performance of the disk image write, and reduces the The upper-layer application write delay time can improve the efficiency of message transmission and improve the performance of application business.
Description
technical field [0001] The invention discloses a synchronous data message transmission method, which belongs to the field of computer communication. Background technique [0002] With the rapid increase of Internet information and the development of e-commerce, storage technology has become a key factor of enterprise IT infrastructure. In the face of massive data and information growth, data protection and disaster recovery are becoming more and more important. Disk mirroring is a pair of two disk drives installed on the same channel to drive the original disk and the secondary disk respectively. Data is written on two disks at the same time, and the two disks work alternately in series. When the original disk fails, the secondary disk can still work normally, thus ensuring the correctness of the data. Disk mirroring can not only improve the high reliability of data, but also improve the continuity of business, so as to provide enterprises with reliable and continuous busi...
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IPC IPC(8): H04L29/08G06F11/20G06F3/06
Inventor 王志华魏显玉吴丙涛
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD