CN109698843A - A kind of method and device for realizing data transmission - Google Patents
A kind of method and device for realizing data transmission Download PDFInfo
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- CN109698843A CN109698843A CN201710986909.2A CN201710986909A CN109698843A CN 109698843 A CN109698843 A CN 109698843A CN 201710986909 A CN201710986909 A CN 201710986909A CN 109698843 A CN109698843 A CN 109698843A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 230000002452 interceptive effect Effects 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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Abstract
A kind of realization data transmission method and device, comprising: after file transmission request is converted to preset format, corresponding working node is sent to by maintenance node by preset interactive interface；Determine whether the working node for receiving file transmission request is idle by preset monitoring process；When determining the working node free time for receiving file transmission request, data are transmitted to from working node by maintenance node according to file transmission request.The embodiment of the present invention simplifies attended operation, avoids the human error of attended operation, improves the efficiency of attended operation.
Description
Technical Field
The present disclosure relates to, but not limited to, data communication technologies, and more particularly, to a method and apparatus for implementing data transmission.
Background
In carrier-class equipment applications, a set of equipment is often composed of multiple hardware nodes for high capacity and high concurrency; in addition, for network security, during network planning, only one node for operation and maintenance is generally planned to be connected to the outside, and this node is referred to as a maintenance node for short, and other nodes are defined as working nodes. When file operations such as version file replacement, software running log downloading and the like are carried out, a maintenance node is required to be logged in, network skipping is carried out through the maintenance node to realize data communication with a working node, and therefore file operations such as version file replacement, software running log downloading and the like are achieved.
The method for realizing the data communication between the network jump and the working node by only planning one maintenance node has great inconvenience in the maintenance operation process; with the increase of the number of working nodes, the maintenance operation process becomes more complicated, and the possibility of human errors exists.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the invention provides a method and a device for realizing data transmission, which can simplify maintenance operation and avoid human errors of the maintenance operation.
The embodiment of the invention provides a method for realizing data transmission, which comprises the following steps:
after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
Optionally, the sending, by the maintenance node, the maintenance node to the corresponding working node through the preset interactive interface includes:
determining the address of the working node receiving the file transmission request;
and sending the file transmission request after the format conversion to the corresponding working node by the maintenance node according to the determined address of the working node.
Optionally, the transmitting data from the working node to the maintenance node according to the file transmission request includes:
determining the number of data packets transmitted each time;
sequentially transmitting the data packets contained in the data according to the determined number of the data packets transmitted each time, and recording the data transmission state;
and determining to retransmit the data packet required to be retransmitted according to the recorded data transmission state.
Optionally, the data transmission status includes at least one of:
the number of the next data packet to be transmitted, the number of the data packet waiting for feedback transmission, and whether the data packet is retransmitted or not.
Optionally, the performing retransmission processing includes:
and retransmitting the data packet needing to be retransmitted in an interval retransmission mode.
On the other hand, an embodiment of the present invention further provides a device for implementing data transmission, including: the system comprises a transfer unit, a monitoring unit and a file transmission unit; wherein,
the transfer unit is used for: after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
the monitoring unit is used for: determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
the file transmission unit is used for: and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
Optionally, the transfer unit is specifically configured to:
determining the address of the working node receiving the file transmission request;
and sending the file transmission request after the format conversion to the corresponding working node by the maintenance node according to the determined address of the working node.
Optionally, the file transmission unit is specifically configured to:
determining the number of data packets transmitted each time;
when determining that a working node receiving a file transmission request is idle, sequentially transmitting data packets contained in data according to the determined number of the data packets transmitted each time, and recording a data transmission state;
and determining to retransmit the data packet required to be retransmitted according to the recorded data transmission state.
Optionally, the data transmission status includes at least one of:
the number of the next data packet to be transmitted, the number of the data packet waiting for feedback transmission, and whether the data packet is retransmitted or not.
Optionally, the file transmission unit is configured to perform retransmission processing, and includes:
and retransmitting the data packet needing to be retransmitted in an interval retransmission mode.
In still another aspect, an embodiment of the present invention further provides a computer storage medium, where computer-executable instructions are stored in the computer storage medium, and the computer-executable instructions are configured to perform the method recited in any one of claims 1 to 5.
In another aspect, an embodiment of the present invention further provides a terminal, including: a memory and a processor; wherein,
the processor is configured to execute program instructions in the memory;
the program instructions read on the processor to perform the following operations:
after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
Compared with the related art, the technical scheme of the application comprises the following steps: after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface; determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process; and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request. The embodiment of the invention simplifies the maintenance operation, avoids the human error of the maintenance operation and improves the efficiency of the maintenance operation.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of a method for implementing data transmission according to an embodiment of the present invention;
fig. 2 is a block diagram of an apparatus for implementing data transmission according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Fig. 1 is a flowchart of a method for implementing data transmission according to an embodiment of the present invention, as shown in fig. 1, including:
step 100, after converting the file transmission request into a preset format, sending the file transmission request to a corresponding working node from a maintenance node through a preset interactive interface;
after the file transmission request is converted into the preset format, the file transmission request is transmitted by adopting the preset interactive interface, network skip between the maintenance node and the working node is not needed, and the operation of file transmission is simplified.
Optionally, the sending, by the maintenance node, the service node to the corresponding working node through the preset interactive interface in the embodiment of the present invention includes:
determining the address of the working node receiving the file transmission request;
and sending the file transmission request after the format conversion to the corresponding working node by the maintenance node according to the determined address of the working node.
Step 101, determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
the embodiment of the invention determines whether the working node is idle or not through the preset detection process when network jumping between the maintenance node and the working node is saved, ensures that the file transmission request can be transmitted stably in time,
and 102, when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
Optionally, the transmitting data from the working node to the maintenance node according to the file transmission request in the embodiment of the present invention includes:
determining the number of data packets transmitted each time;
sequentially transmitting the data packets contained in the data according to the determined number of the data packets transmitted each time, and recording the data transmission state;
and determining to retransmit the data packet required to be retransmitted according to the recorded data transmission state.
Optionally, the data transmission state in the embodiment of the present invention includes at least one of the following states:
the number of the next data packet to be transmitted, the number of the data packet waiting for feedback transmission, and whether the data packet is retransmitted or not.
Optionally, the performing retransmission processing in the embodiment of the present invention includes:
and retransmitting the data packet needing to be retransmitted in an interval retransmission mode.
It should be noted that the preset format, the interactive interface, the monitoring process, and the like in the embodiments of the present invention may be designed and implemented by referring to the existing implementation manners in the related art, which are not described herein again.
The embodiment of the invention transmits the data packet in the above way, and finishes the transmission operation when the continuous check fails for 3 times and the continuous retransmission exceeds 3 times. Through actual measurement and inspection, the embodiment of the invention has higher transmission efficiency than the related technology.
Data transmission of the embodiment of the invention can be realized by a window, the window design principle is similar to the sliding window design principle, the window of the embodiment of the invention is realized at an application layer, and the window is arranged at a working node side, the embodiment of the invention is called a source end window, the source end window is mainly used for recording the data transmission state, 5 data packets are transmitted by the working node each time, therefore, the size of the source end window is set to be 5, the window schematic diagram is shown in table 1, and the serial number of each window is 0-4:
| 0 | 1 | 2 | 3 | 4 |
TABLE 1
When the embodiment of the invention sends the data packets for the first time, the working node continuously sends 5 data packets, the sequence numbers of the data packets are respectively assumed to be 1-5, the sequence numbers of the data packets are respectively arranged in the windows of 0-4, and the maintenance node is waited to send the confirmation message.
For the source-side window, the following information exists in the window structure to hold the data transfer state values, respectively:
the index of the next data packet to be sent in sequence in the window ranges from 0 to 4;
the next data packet number to be sent in sequence;
the index of the minimum sequence number data packet waiting for response in the window ranges from 0 to 4;
a retransmission flag; wherein, FALSE indicates no retransmission, TRUE indicates retransmission.
Assume the state of the window in table 2:
| 0 | 1 | 2 | 3 | 4 |
| 15 | 11 | 12 | 13 | 14 |
TABLE 2
In table 2: the first behavior window index, the second behavior window stores the data packet sequence number, the window with index number 2 is supposed to be displayed in bold type and is supposed to receive the confirmation message,
the data transmission state at this time is shown in table 3:
| indexing of next in-sequence transmitted data packet in window | 1 |
| Next data packet number to be sent in sequence | 16 |
| Indexing in a window of minimum sequence number packets awaiting acknowledgement | 1 |
| Retransmission flag | TRUE |
TABLE 3
In the above case, the data packet number 11 is retransmitted to the maintenance node.
At this time, the acknowledgement of the data packet number 13 sent from the maintenance node is also shown by bold display, and it is assumed that the window is as shown in table 4:
| 0 | 1 | 2 | 3 | 4 |
| 15 | 11 | 12 | 13 | 14 |
TABLE 4
The data transmission state at this time is shown in table 5:
| indexing of next in-sequence transmitted data packet in window | 1 |
| Next data packet number to be sent in sequence | 16 |
| Indexing in a window of minimum sequence number packets awaiting acknowledgement | 1 |
| Retransmission flag | FALSE |
TABLE 5
In the data transmission state shown in table 5, no packet No. 11 is retransmitted to the maintenance node, which is a manner of interval retransmission in the embodiment of the present invention. Similarly, if the next time the data packet number 14 is received, the data packet number 11 will be retransmitted to the maintenance node. Assuming that the acknowledgement for packet number 11 is received this time, the window display and data transmission states are shown in tables 6 and 7, respectively:
| 0 | 1 | 2 | 3 | 4 |
| 15 | 16 | 17 | 18 | 14 |
TABLE 6
| Indexing of next in-sequence transmitted data packet in window | 4 |
| Next data packet number to be sent in sequence | 19 |
| Is under wayIndexing in a window of minimum sequence number packets awaiting acknowledgement | 4 |
| Retransmission flag | FALSE |
TABLE 7
After receiving the data packet confirmation of number 11, updating the window data transmission state information to the index position of number 4, and continuously sending data packets of numbers 16, 17 and 18 to the maintenance node.
The window size of the corresponding maintenance node is designed to be 5, the received data are cached mainly, and the data are written into the file after being received in order. For windows, the following data exist in the window structure for saving the data transfer state, respectively:
the next in-order arriving packet sequence number;
the index of the next in-order arriving packet in the window;
the number of data packets which are received in sequence in the window (excluding the out-of-order data packets) is represented, and the value range is 0-5;
assume that the window is in the state shown in Table 8:
| 0 | 1 | 2 | 3 | 4 |
| 15 | 11 | 12 | 13 | 14 |
TABLE 8
Note: in table 8, the first row is a window index, the second column is a packet sequence number stored in the window, the bold font receives the packet, and the data transmission state is as shown in table 9:
| next in-order arriving packet sequence number | 11 |
| Indexing of next in-order arriving packets in a window | 1 |
| Number of data packets received in sequence within window | 0 |
TABLE 9
In the state shown in table 9, the maintenance node sends an acknowledgement for packet number 12 to the working node.
Assuming that the data packet number 13 sent by the working node is received, the window and data transmission status are shown in table 10 and table 11:
| 0 | 1 | 2 | 3 | 4 |
| 15 | 11 | 12 | 13 | 14 |
watch 10
TABLE 11
In the above-described data transmission state, the data packets No. 12 and 13 are not written to the file because the data packet No. 11 is not received. It is assumed that the data packet No. 11 is received this time, and the window and data transmission status are shown in table 12 and table 13:
| 0 | 1 | 2 | 3 | 4 |
| 15 | 16 | 17 | 18 | 14 |
TABLE 12
Watch 13
And after receiving the data packet confirmation of number 11, updating window data transmission state information, orderly writing the data packets of number 11, 12 and 13 into a file, and waiting for the data packet number 14.
In the telecommunication level networking, if network isolation occurs, the method of the embodiment of the invention can be used for carrying out file unified operation on the isolated multi-node single board, and the transmission efficiency is superior to that of a File Transfer Protocol (FTP).
Compared with the related art, the technical scheme of the application comprises the following steps: after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface; determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process; and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request. The embodiment of the invention simplifies the maintenance operation, avoids the human error of the maintenance operation and improves the efficiency of the maintenance operation.
Fig. 2 is a block diagram of a device for implementing data transmission according to an embodiment of the present invention, as shown in fig. 2, including: the system comprises a transfer unit, a monitoring unit and a file transmission unit; wherein,
the transfer unit is used for: after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
optionally, the transfer unit is specifically configured to:
determining the address of the working node receiving the file transmission request;
and sending the file transmission request after the format conversion to the corresponding working node by the maintenance node according to the determined address of the working node.
The monitoring unit is used for: determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
the file transmission unit is used for: and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
In the embodiment of the invention, the corresponding confirmation message can be sent to the sent file transmission request and the sent data packet by adopting a relevant protocol, so that the message feedback is realized.
Optionally, the file transmission unit is specifically configured to:
determining the number of data packets transmitted each time;
when determining that a working node receiving a file transmission request is idle, sequentially transmitting data packets contained in data according to the determined number of the data packets transmitted each time, and recording a data transmission state;
and determining to retransmit the data packet required to be retransmitted according to the recorded data transmission state.
Optionally, the data transmission status includes at least one of:
the number of the next data packet to be transmitted, the number of the data packet waiting for feedback transmission, and whether the data packet is retransmitted or not.
Optionally, the file transmission unit is configured to perform retransmission processing, and includes:
and retransmitting the data packet needing to be retransmitted in an interval retransmission mode.
In still another aspect, an embodiment of the present invention further provides a computer storage medium, where computer-executable instructions are stored in the computer storage medium, and the computer-executable instructions are configured to perform the method recited in any one of claims 1 to 5.
In another aspect, an embodiment of the present invention further provides a terminal, including: a memory and a processor; wherein,
the processor is configured to execute program instructions in the memory;
the program instructions read on the processor to perform the following operations:
after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by a program instructing associated hardware (e.g., a processor) to perform the steps, and the program may be stored in a computer readable storage medium, such as a read only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module/unit in the above embodiments may be implemented in hardware, for example, by an integrated circuit to implement its corresponding function, or in software, for example, by a processor executing a program/instruction stored in a memory to implement its corresponding function. The present invention is not limited to any specific form of combination of hardware and software.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. A method for implementing data transmission, comprising:
after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
2. The method according to claim 1, wherein the sending from the maintenance node to the corresponding working node through the preset interactive interface comprises:
determining the address of the working node receiving the file transmission request;
and sending the file transmission request after the format conversion to the corresponding working node by the maintenance node according to the determined address of the working node.
3. The method of claim 1, wherein transmitting data from a worker node to a maintenance node according to a file transfer request comprises:
determining the number of data packets transmitted each time;
sequentially transmitting the data packets contained in the data according to the determined number of the data packets transmitted each time, and recording the data transmission state;
and determining to retransmit the data packet required to be retransmitted according to the recorded data transmission state.
4. The method of claim 3, wherein the data transmission status comprises at least one of:
the number of the next data packet to be transmitted, the number of the data packet waiting for feedback transmission, and whether the data packet is retransmitted or not.
5. The method of claim 3 or 4, wherein the performing retransmission processing comprises:
and retransmitting the data packet needing to be retransmitted in an interval retransmission mode.
6. An apparatus for implementing data transmission, comprising: the system comprises a transfer unit, a monitoring unit and a file transmission unit; wherein,
the transfer unit is used for: after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
the monitoring unit is used for: determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
the file transmission unit is used for: and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
7. The apparatus according to claim 6, wherein the relay unit is specifically configured to:
determining the address of the working node receiving the file transmission request;
and sending the file transmission request after the format conversion to the corresponding working node by the maintenance node according to the determined address of the working node.
8. The device according to claim 6, wherein the file transfer unit is specifically configured to:
determining the number of data packets transmitted each time;
when determining that a working node receiving a file transmission request is idle, sequentially transmitting data packets contained in data according to the determined number of the data packets transmitted each time, and recording a data transmission state;
and determining to retransmit the data packet required to be retransmitted according to the recorded data transmission state.
9. The device of claim 8, wherein the data transmission state comprises at least one of:
the number of the next data packet to be transmitted, the number of the data packet waiting for feedback transmission, and whether the data packet is retransmitted or not.
10. The apparatus according to claim 8 or 9, wherein the file transmission unit is configured to perform retransmission processing, and comprises:
and retransmitting the data packet needing to be retransmitted in an interval retransmission mode.
11. A computer storage medium having computer-executable instructions stored therein for performing the method of any one of claims 1-5.
12. A terminal, comprising: a memory and a processor; wherein,
the processor is configured to execute program instructions in the memory;
the program instructions read on the processor to perform the following operations:
after the file transmission request is converted into a preset format, the file transmission request is sent to a corresponding working node from a maintenance node through a preset interactive interface;
determining whether a working node receiving a file transmission request is idle or not through a preset monitoring process;
and when the working node receiving the file transmission request is determined to be idle, transmitting data from the working node to the maintenance node according to the file transmission request.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113708889A (en) * | 2020-05-22 | 2021-11-26 | 维沃移动通信有限公司 | Data transmission method and device |
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| CN106888490A (en) * | 2015-12-16 | 2017-06-23 | 中兴通讯股份有限公司 | The method for routing and device of a kind of wireless self-networking |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113708889A (en) * | 2020-05-22 | 2021-11-26 | 维沃移动通信有限公司 | Data transmission method and device |
| CN112395140A (en) * | 2020-11-17 | 2021-02-23 | 平安科技（深圳）有限公司 | Decentralized task scheduling method, device, equipment and medium |
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