CN113595805B - Personal computer data sharing method for local area network - Google Patents
Personal computer data sharing method for local area network Download PDFInfo
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- CN113595805B CN113595805B CN202110965256.6A CN202110965256A CN113595805B CN 113595805 B CN113595805 B CN 113595805B CN 202110965256 A CN202110965256 A CN 202110965256A CN 113595805 B CN113595805 B CN 113595805B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 108
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000013500 data storage Methods 0.000 claims abstract description 10
- 239000000284 extract Substances 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 14
- 238000013075 data extraction Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 6
- 206010033799 Paralysis Diseases 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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Abstract
The invention relates to the technical field of electric digital data processing, in particular to a personal computer data sharing method used in a local area network. The method comprises the following steps: the temporary processing device records and stores the source of the data received and transmitted by the central node; the temporary processing device judges the working state of the central node; the temporary processing device performs screening judgment on the requests generated by the workstations of the end nodes and finds the positions of such data storage; when the temporary processing device extracts data, determining the extraction authority of the data; transmitting the data acquired by the temporary processing device to a workstation of the end node; the temporary processing device records the transmission of the data and transmits the recorded data to the center node with the maintenance completed. The invention mainly solves the problem that after the central node is damaged, the processing information intercommunication of the processing device operating instead of the central node ensures the information synchronization, and is convenient for the accurate check of the information when the transmission information error occurs in the later period.
Description
Technical Field
The invention relates to the technical field of electric digital data processing, in particular to a personal computer data sharing method used in a local area network.
Background
The LAN is a computer communication network formed by interconnecting various computers, external devices, databases and the like in a local geographical range (such as a school, a factory and a institution), is called LAN for short, and can be connected with a remote LAN, a database or a processing center through a data communication network or a special data circuit to form a large-scale information processing system.
The local area network may perform functions such as file management, application sharing, printer sharing, scheduling within a workgroup, email and fax communication services, etc., the local area network is closed, the system can be composed of two computers in an office, and can also be composed of thousands of computers in a company, wherein a common local area network topological structure comprises a star structure, a tree structure, a bus structure, a ring structure and the like.
In the method for processing the situation, two processing devices are arranged at the position of the central node, so that the local area network cannot be used normally after the processor of one central node is damaged, but the two processing devices have high use and maintenance cost, when one of the processing devices is not operated normally, resources are wasted, and when one of the processing devices is damaged, the other processing device is required to be started manually, the local area network is troublesome and simultaneously causes temporary paralysis, and the two processing devices cannot communicate with each other in the log of information transmission when processing information, so that the two processing devices are operated separately and cannot check information accurately when the information is processed later.
Disclosure of Invention
It is an object of the present invention to provide a method for sharing personal computer data in a local area network, to solve the problems set forth in the background art.
In order to achieve the above object, the present invention provides a method for sharing data of a personal computer in a local area network, comprising the steps of:
when the central node works normally, a temporary processing device arranged at the central node records and stores the source of the data received and transmitted by the central node;
the workstation of the end node sends a data acquisition request to the central node, and the working state of the central node is judged through the temporary processing device;
after receiving the request of the workstation of the end node, the temporary processing device performs screening judgment on the request of the workstation of the end node, and finds the position of the data storage according to the record of the temporary processing device for the data transmission of the front stage of the central node;
while the temporary processing device sends out a request for data extraction to the workstation for data storage, the temporary processing device checks the request to determine whether the authority for data reading of the workstation exists;
transmitting data collected by the temporary processing device reversely to the workstation of the end node which sends the request along the channel of the workstation of the end node;
the temporary processing device records the time of the data transmission, the type of the data and the direction of the data transmission, so that when the information is checked in the later period, the source and the destination of the information are checked conveniently, and meanwhile, after the maintenance of the central node is completed and used, the data processed by the temporary processing device when the central node is damaged is transmitted to the central node.
As a further improvement of the present technical solution, recording, at the temporary processing device, a source of data processed by the central node, where the source of data processed by the central node includes:
the central node itself receives and stores the data, and the temporary processing device records the data as local memory data;
data transferred from one workstation to a central node and transferred through the central node to another workstation, and the temporary processing means records the data as data in the memory of one of the end nodes.
As a further improvement of the technical scheme, the process of judging the operation of the central node by the temporary processing device comprises the following steps:
the workstation of the end node requests the central node for data transmission, and the working state of the central node comprises two conditions, wherein the working state is as follows:
the central node normally processes the request sent by the workstation, and when the temporary processing device receives the feedback of the central node, the temporary processing device records the transmission information of the request data of the secondary end node;
after the workstation sends a request to the central node, the central node does not process the request sent by the workstation, at the moment, the end node does not obtain information of central node information transmission within a certain time, when the temporary processing device receives the request of the central node which is not processed by the end node, the workstation of the end node sends feedback of the request which is not processed by the central node to the workstation of the end node through response feedback, and after the end node receives the feedback, the workstation of the end node sends the request sent to the central node to the temporary processing device.
As a further improvement of the present solution, the result of request discrimination at the workstation of the end node includes:
the data information requested by the workstation of the end node is stored in the central node, and the temporary processing device directly calls the data in the central node and generates the called data into the workstation which sends the request;
the data information requested by the workstation of the end node is stored in the interior of another workstation, the temporary processing device searches the position of the workstation for storing the data information through the record of the data transmitted by the central node, and the temporary processing device generates a request for lifting the data information to the workstation for recording the data storage.
As a further improvement of the technical scheme, the matching range algorithm for discriminating the request sent by the workstation is as follows:
assuming that the spatial coordinates of the data requested by the end station areThe spatial coordinates of the stored data are；
Wherein,the spatial distance of the data to the stored data is requested for the end station,is the matching range of the data.
As a further improvement of the technical scheme, after the distance is screened logarithmically, the similarity of the data is calculated according to the matched range, and the formula is as follows:
wherein,for the similarity of the data it is possible,is that，The slope of the X-axis of (c),is that，Is set to be equal to the slope of the Y-axis of (c),the source points of the spatial coordinates are represented,represented asAndthe slope of the point corresponding coordinates approximates the origin value.
As a further improvement of the technical scheme, in determining whether the temporary processing device has the authority of reading the workstation data, the method comprises three directions:
with the authority of reading the data of the workstation, the temporary processing device directly extracts the data to be extracted from the workstation of the end node storing the data;
the temporary processing device sends the request to the workstation without the authority of reading the data of the workstation, and if the workstation does not agree with the temporary processing device to read the data, the temporary processing device stops the extraction of the data;
the temporary processing means sends the request to the workstation, which grants such data for reading, and extracts the data requested by the workstation from the workstation.
Compared with the prior art, the invention has the beneficial effects that:
1. in the personal computer data sharing method for the local area network, a processor of a single central node is adopted to process the local area network, the cost of local area network construction is reduced, the temporary processing device records the data information processed by the central node, when the central node fails, the temporary processing device processes the request generated by the workstation according to the recorded data, the request sent by the workstation can still be processed in the maintenance process of the central node, and the condition that the whole local area network is paralyzed due to the failure of the central node is avoided.
2. In the personal computer data sharing method for the local area network, when the data stored in the workstation is extracted, the authority of the data for extracting the information is determined, so that the data in the workstation is prevented from being stolen and damaged, and the safety of the data in the workstation is ensured.
3. In the personal computer data sharing method used in the local area network, when the central node is damaged, the temporary processing device processes the request sent by the workstation and records the processed information, and after the central node is repaired, the temporary processing device transmits the data recorded by the processed information to the central node so as to ensure that the data in the central node has no information difference, thereby facilitating the verification of the information when the information error occurs in the later stage.
4. In the personal computer data sharing method used in the local area network, the temporary processing device checks the working state of the central node, and when the central node does not respond to the request of the end work station for a certain time, the temporary processing device intervenes to process the request of the end work station, thereby reducing the paralysis time of the local area network and further ensuring the normal use of the local area network.
Drawings
FIG. 1 is an overall flow chart of the present invention;
FIG. 2 is an overall block diagram of the present invention;
FIG. 3 is a diagram of a data request procedure according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a personal computer data sharing method used in a local area network, referring to fig. 1-3, comprising the following steps:
when the central node works normally, a temporary processing device arranged at the central node records and stores the source of the data received and transmitted by the central node;
and the temporary processing device is used for searching the data information requested by the end workstation according to the data information recorded in the central node when the central node is damaged, so that the temporary processing device is used for processing the request of the end workstation after the central node is damaged, and meanwhile, the temporary processing device is used for recording the data, so that the construction cost of re-setting the central node is reduced.
The workstation of the end node sends a data acquisition request to the central node, and the working state of the central node is judged through the temporary processing device;
after receiving the request of the workstation of the end node, the temporary processing device performs screening judgment on the request of the workstation of the end node, and finds the position of the data storage according to the record of the temporary processing device for the data transmission of the front stage of the central node;
while the temporary processing device sends out a request for data extraction to the workstation for data storage, the temporary processing device checks the request to determine whether the authority for data reading of the workstation exists;
by determining the authority of information extraction, the data in the workstation can not be stolen and damaged, and the safety of the data in the workstation is ensured.
Transmitting data collected by the temporary processing device reversely to the workstation of the end node which sends the request along the channel of the workstation of the end node;
the temporary processing device records the time of the data transmission, the type of the data and the direction of the data transmission, so that the source and the destination of the information can be conveniently checked when the information is checked in the later period, and meanwhile, the data processed by the temporary processing device when the central node is damaged is transmitted to the central node after the maintenance of the central node is completed;
and transmitting the data processed by the temporary processing device when the central node is damaged to the central node so as to ensure that the data in the central node has no information difference and form synchronous information, thereby facilitating the verification of the information when the information error occurs in the later stage.
Further, the temporary processing device records the source of the data processed by the central node, and the source of the data processed by the central node comprises:
the central node itself receives and stores the data, and the temporary processing device records the data as local memory data;
data transferred from one workstation to a central node and transferred through the central node to another workstation, and the temporary processing means records the data as data in the memory of one of the end nodes.
Specifically, the process of judging the operation of the central node by the temporary processing device comprises the following steps:
the workstation of the end node requests the central node for data transmission, and the working state of the central node comprises two conditions, wherein the working state is as follows:
the central node normally processes the request sent by the workstation, and when the temporary processing device receives the feedback of the central node, the temporary processing device records the transmission information of the request data of the secondary end node;
after the workstation sends a request to the central node, the central node does not process the request sent by the workstation, at the moment, the end node does not obtain information of central node information transmission within a certain time, when the temporary processing device receives the request of the central node which is not processed by the end node, the workstation of the end node sends feedback of the request which is not processed by the central node to the workstation of the end node through response feedback, and after the end node receives the feedback, the workstation of the end node sends the request sent to the central node to the temporary processing device.
In addition, the results of the request screening that occurs at the workstation of the end node include:
the data information requested by the workstation of the end node is stored in the central node, and the temporary processing device directly calls the data in the central node and generates the called data into the workstation which sends the request;
the data information requested by the workstation of the end node is stored in the interior of another workstation, the temporary processing device searches the position of the workstation for storing the data information through the record of the data transmitted by the central node, and the temporary processing device generates a request for lifting the data information to the workstation for recording the data storage.
Specifically, the matching range algorithm for discriminating the request sent by the workstation is as follows:
assuming that the spatial coordinates of the data requested by the end station areThe spatial coordinates of the stored data are；
Wherein,the spatial distance of the data to the stored data is requested for the end station,is the matching range of the data;
when (when)Greater than 0.5, when the data indicating the end station request is stored in the other end stationLess than or equal to 0.5, the data indicating the end station request is stored in the central node.
In addition, after the distance is screened logarithmically, the similarity of the data is calculated according to the matched range, and the formula is as follows:
wherein,for the similarity of the data it is possible,in order to achieve this, the first and second,the slope of the X-axis of (c),is that，Is set to be equal to the slope of the Y-axis of (c),the source points of the spatial coordinates are represented,represented asAndthe slope of the point corresponding coordinates approximates the value of the origin whenThe larger the similarity of the two data, the closer.
Further, in determining whether the temporary processing device has permission for reading the workstation data, three directions are included:
with the authority of reading the data of the workstation, the temporary processing device directly extracts the data to be extracted from the workstation of the end node storing the data;
the temporary processing device sends the request to the workstation without the authority of reading the data of the workstation, and if the workstation does not agree with the temporary processing device to read the data, the temporary processing device stops the extraction of the data;
the temporary processing means sends the request to the workstation, which grants such data for reading, and extracts the data requested by the workstation from the workstation.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A method for personal computer data sharing within a local area network, comprising the steps of:
when the central node works normally, a temporary processing device arranged at the central node records and stores the source of the data received and transmitted by the central node;
the workstation of the end node sends a data acquisition request to the central node, and the working state of the central node is judged through the temporary processing device;
after receiving the request of the workstation of the end node, the temporary processing device performs screening judgment on the request of the workstation of the end node, and finds the position of the data storage according to the record of the temporary processing device for the data transmission of the front stage of the central node;
while the temporary processing device sends out a request for data extraction to the workstation for data storage, the temporary processing device checks the request to determine whether the authority for data reading of the workstation exists;
transmitting data collected by the temporary processing device reversely to the workstation of the end node which sends the request along the channel of the workstation of the end node;
the temporary processing device records the time of the data transmission, the type of the data and the direction of the data transmission, so that the source and the destination of the information can be conveniently checked when the information is checked in the later period, and meanwhile, the data processed by the temporary processing device when the central node is damaged is transmitted to the central node after the maintenance of the central node is completed;
the matching range algorithm for discriminating the request sent by the workstation is as follows:
assuming that the spatial coordinates of the data requested by the end station areThe spatial coordinates of the stored data are；
；
Wherein,Vthe spatial distance of the data to the stored data is requested for the end station,is the matching range of the data;
when (when)Greater than 0.5, the data specifying the end station request is stored in the other end station when +.>Less than or equal to 0.5, the data indicating the end station request is stored in the central node.
2. A personal computer data sharing method for use in a local area network as in claim 1, wherein: recording the source of the data processed by the central node in the temporary processing device, wherein the source of the data processed by the central node comprises the following steps:
the central node itself receives and stores the data, and the temporary processing device records the data as local memory data;
data transferred from one workstation to a central node and transferred through the central node to another workstation, and the temporary processing means records the data as data in the memory of one of the end nodes.
3. A personal computer data sharing method for use in a local area network as in claim 1, wherein: the temporary processing device judges the working process of the central node, and comprises the following steps:
the workstation of the end node requests the central node for data transmission, and the working state of the central node comprises two conditions, wherein the working state is as follows:
the central node normally processes the request sent by the workstation, and when the temporary processing device receives the feedback of the central node, the temporary processing device records the transmission information of the request data of the secondary end node;
after the workstation sends a request to the central node, the central node does not process the request sent by the workstation, at the moment, the end node does not obtain information of central node information transmission within a certain time, when the temporary processing device receives the request of the central node which is not processed by the end node, the workstation of the end node sends feedback of the request which is not processed by the central node to the workstation of the end node through response feedback, and after the end node receives the feedback, the workstation of the end node sends the request sent to the central node to the temporary processing device.
4. A personal computer data sharing method for use in a local area network as in claim 1, wherein: the results of the request screening occurring at the workstation of the end node include:
the data information requested by the workstation of the end node is stored in the central node, and the temporary processing device directly calls the data in the central node and generates the called data into the workstation which sends the request;
the data information requested by the workstation of the end node is stored in the interior of another workstation, the temporary processing device searches the position of the workstation for storing the data information through the record of the data transmitted by the central node, and the temporary processing device generates a request for lifting the data information to the workstation for recording the data storage.
5. A personal computer data sharing method for use in a local area network as in claim 1, wherein: in determining whether the temporary processing device has authority for reading the workstation data, three directions are included:
with the authority of reading the data of the workstation, the temporary processing device directly extracts the data to be extracted from the workstation of the end node storing the data;
the temporary processing device sends the request to the workstation without the authority of reading the data of the workstation, and if the workstation does not agree with the temporary processing device to read the data, the temporary processing device stops the extraction of the data;
the temporary processing means sends the request to the workstation, which grants such data for reading, and extracts the data requested by the workstation from the workstation.
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