CN110086823A - A kind of data communications method, device, equipment and medium - Google Patents
A kind of data communications method, device, equipment and medium Download PDFInfo
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- CN110086823A CN110086823A CN201910376148.8A CN201910376148A CN110086823A CN 110086823 A CN110086823 A CN 110086823A CN 201910376148 A CN201910376148 A CN 201910376148A CN 110086823 A CN110086823 A CN 110086823A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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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
- H04L67/562—Brokering proxy services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of data communications method, device, equipment and media.The step of this method includes: the target packet that interception is transmitted from data packet sending equipment to data packet receiver；Default processing is carried out to target packet, and generates data volume less than data packet after the processing of communication network MTU amount；Data packet after processing is transmitted to data packet receiver.Due to the method ensure that the data volume for handle data packet after processing generated to target packet is less than communication network MTU amount, and then can be avoided will processing after data packet be transmitted to data receiver during because processing after data packet data volume it is excessive due to abandoned by routing device the case where, and then the loss of data in communication process is avoided the occurrence of, therefore the opposite global reliability for ensuring data communication process.In addition, the present invention also provides a kind of data communication equipment, equipment and medium, beneficial effect is same as above.
Description
Technical field
The present invention relates to data communication fields, more particularly to a kind of data communications method, device, equipment and medium.
Background technique
The new communication mode of one kind that data communication is the communication technology and computer technology combines and generates.It will be in two places
Between transmission information must have transmission channel, according to the difference of transmission media, there are wired data communication and wireless data communication it
Point, but purpose is all by transmission channel by data terminal and computer link, and keep the data terminal of different location real
Existing soft and hardware and information resources it is shared.The essence of data communication is that data packet is carried out between the equipment for participating in communication
Transmitting.
Currently in order to meet the diversified demand of communication, often it is additionally provided between the data communications equipment of communicating pair
Intermediate equipment, intermediate equipment interception issue the data packet that equipment is transmitted to another data packet receiver from data packet, carry out phase
The processing operation of logic is answered, and data packet after processing is forwarded to data packet receiver, but in above-mentioned scene, it is intermediate
Data packet leads to communication process there may be being abandoned during routing forwarding by routing device after the processing of equipment outflow
In loss of data, therefore, it is difficult to ensure the global reliability of data communication process.
It can be seen that providing a kind of data communications method, to avoid the loss of data in communication process, and then ensure data
The global reliability of communication process is those skilled in the art's problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of data communications method, device, equipment and media, to avoid in communication process
Loss of data, and then ensure the global reliability of data communication process.
In order to solve the above technical problems, the present invention provides a kind of data communications method, it is applied to communications intermediate devices, method
Include:
It intercepts from data packet and issues the target packet that equipment is transmitted to data packet receiver；
Default processing is carried out to target packet, and generates data volume less than data packet after the processing of communication network MTU amount；
Data packet after processing is transmitted to data packet receiver.
Preferably, default processing is carried out to target packet, and after generating data volume less than the processing of communication network MTU amount
Data packet, comprising:
The data in target packet are encrypted for unit according to preset data length, and to insufficient present count
The encryption of non-newly-increased data is carried out according to the remaining data of length, after generating data volume less than the processing of communication network MTU amount
Data packet.
Preferably, default processing is carried out to target packet, and after generating data volume less than the processing of communication network MTU amount
Data packet, comprising:
It is that the data in target packet are encrypted in unit, and stop to insufficient pre- according to preset data length
If the encryption of the remaining data of data length, data volume is generated less than data packet after the processing of communication network MTU amount.
Preferably, data packet after processing is transmitted to data packet receiver, comprising:
Data packet after processing is transmitted to data packet receiver by the Optimization route path obtained based on routing algorithm.
In addition, the present invention also provides a kind of data communication equipments, comprising:
Data packet interception module issues the target data that equipment is transmitted to data packet receiver for intercepting from data packet
Packet；
Data packet handing module for carrying out default processing to target packet, and generates data volume less than communication network
Data packet after the processing of MTU amount；
Data packet forward module is transmitted to data packet receiver for data packet after handling.
In addition, the present invention also provides a kind of communications intermediate devices, comprising:
Memory, for storing computer program；
Processor is realized when for executing computer program such as the step of above-mentioned data communications method.
In addition, being stored with meter on computer readable storage medium the present invention also provides a kind of computer readable storage medium
Calculation machine program is realized when computer program is executed by processor such as the step of above-mentioned data communications method.
Data communications method provided by the present invention, first interception issue equipment from data packet and pass to data packet receiver
Defeated target packet, and then the default place for handling and generating data volume and be less than communication network MTU amount is carried out to target packet
Data packet after processing is finally transmitted to data packet receiver by data packet after reason.Due to the method ensure that target packet
The data volume for handle data packet after processing generated is less than communication network MTU amount, and then can be avoided after it will handle
Data packet be transmitted to the data packet after processing during data receiver data volume it is excessive due to the feelings that are abandoned by routing device
Condition, and then the loss of data in communication process is avoided the occurrence of, therefore the opposite global reliability for ensuring data communication process.This
Outside, the present invention also provides a kind of data communication equipment, equipment and medium, beneficial effect is same as above.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the data communications method applied to communications intermediate devices provided in an embodiment of the present invention；
Fig. 2 is the process of another data communications method for being applied to communications intermediate devices provided in an embodiment of the present invention
Figure；
Fig. 3 is the process of another data communications method for being applied to communications intermediate devices provided in an embodiment of the present invention
Figure；
Fig. 4 is a kind of structure chart of data communication equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
Currently in order to meet the diversified demand of communication, often it is additionally provided between the data communications equipment of communicating pair
Intermediate equipment, intermediate equipment interception issue the data packet that equipment is transmitted to another data packet receiver from data packet, carry out phase
The processing operation of logic is answered, and data packet after processing is forwarded to data packet receiver, but in above-mentioned scene, it is intermediate
Data packet leads to communication process there may be being abandoned during routing forwarding by routing device after the processing of equipment outflow
In loss of data, therefore, it is difficult to ensure the global reliability of data communication process.
Core of the invention is to provide a kind of data communications method, device, equipment and medium, to avoid in communication process
Loss of data, and then ensure the global reliability of data communication process.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is a kind of flow chart of the data communications method applied to communications intermediate devices provided in an embodiment of the present invention.
Referring to FIG. 1, the specific steps of data communications method include:
Step S10: it intercepts from data packet and issues the target packet that equipment is transmitted to data packet receiver.
It should be noted that this step is the communication by building between data packet sending equipment and data packet receiver
Intermediate equipment issues equipment to data packet and intercepts to the target packet that data packet receiver is transmitted, with this to mesh
Mark data packet is handled.
Step S11: default processing is carried out to target packet, and generates the processing that data volume is less than communication network MTU amount
Data packet afterwards.
This step focuses on carrying out target data during presetting processing, using communication network MTU amount as standard,
And then data volume is generated less than data packet after the processing of communication network MTU amount.It should be noted that MTU (Maximum
Transmission Unit, maximum transmission unit) refer to communication protocol supported in communication process communication maximum data
Packet size (as unit of byte).When the data volume size of the data packet of transmission is more than the limitation of MTU, data packet will be transmitted
The switch device or router device of the data packet abandon, so as to cause the loss of the data packet corresponding data.This step pair
Target packet carries out default processing, and generates data volume less than data packet after the processing of communication network MTU amount, it can be ensured that place
The data volume of data packet avoids the case where data packet is dropped after handling within the limitation of MTU after reason.
Step S12: data packet after processing is transmitted to data packet receiver.
Data packet after the processing for being less than communication network MTU amount is transmitted to data packet receiver and opposite can kept away by this step
Exempt from the loss of data packet, it is ensured that the integrality of data transmission.
Data communications method provided by the present invention, first interception issue equipment from data packet and pass to data packet receiver
Defeated target packet, and then the default place for handling and generating data volume and be less than communication network MTU amount is carried out to target packet
Data packet after processing is finally transmitted to data packet receiver by data packet after reason.Due to the method ensure that target packet
The data volume for handle data packet after processing generated is less than communication network MTU amount, and then can be avoided after it will handle
Data packet be transmitted to the data packet after processing during data receiver data volume it is excessive due to the feelings that are abandoned by routing device
Condition, and then the loss of data in communication process is avoided the occurrence of, therefore the opposite global reliability for ensuring data communication process.
On the basis of the above embodiments, the present invention also provides a series of preferred embodiments.
Fig. 2 is the process of another data communications method for being applied to communications intermediate devices provided in an embodiment of the present invention
Figure.Referring to FIG. 2, the specific steps of data communications method include:
Step S20: it intercepts from data packet and issues the target packet that equipment is transmitted to data packet receiver.
Step S21: the data in target packet are encrypted for unit according to preset data length, and to not
The remaining data of sufficient preset data length carries out the encryption of non-newly-increased data, generates data volume and is less than communication network MTU amount
Processing after data packet.
It should be noted that the present embodiment is specifically that default processing is limited to encryption, consider in current encryption
In processing operation, the data in encrypted packet often are treated according to certain data length and are grouped, and with divided
Data group is that unit encrypts data therein, but the data in be-encrypted data packet can not be divided into complete number
It when the data group of amount, needs remaining data carrying out Data-parallel language, so that remaining data can be encrypted as data group, still
It is bigger than the overall amount of data of original data packet that Data-parallel language then may cause the data packet after being encrypted, and then occurs
The case where data packet is dropped in transmission process because being higher than communication network MTU amount after processing, therefore currently passing through communication
Intermediate equipment issues data packet under the scene that the target packet that equipment issues is encrypted, and easily deposits data packet after treatment
The case where loss.
In order to avoid the generation of above situation, the present embodiment is being unit in target packet according to preset data length
Data when being encrypted, at the encryption that non-newly-increased data mode is carried out to the remaining data of insufficient preset data length
Reason generates data volume less than data packet after the processing of communication network MTU amount with this.
Step S22: data packet after processing is transmitted to data packet receiver.
The present embodiment is opposite to be avoided passing through communications intermediate devices and carries out data after encrypting obtained processing to data packet and exist
The case where transmission process is dropped further ensures the global reliability of data communication process.
Fig. 3 is the process of another data communications method for being applied to communications intermediate devices provided in an embodiment of the present invention
Figure.Referring to FIG. 3, the specific steps of data communications method include:
Step S30: it intercepts from data packet and issues the target packet that equipment is transmitted to data packet receiver.
Step S31: being that the data in target packet are encrypted in unit, and stop according to preset data length
Encryption to the remaining data of insufficient preset data length generates data volume less than number after the processing of communication network MTU amount
According to packet.
It should be noted that the present embodiment is specifically that default processing is limited to encryption, consider in current encryption
In processing operation, the data in encrypted packet often are treated according to certain data length and are grouped, and with divided
Data group is that unit encrypts data therein, but the data in be-encrypted data packet can not be divided into complete number
It when the data group of amount, needs remaining data carrying out Data-parallel language, so that remaining data can be encrypted as data group, still
It is bigger than the overall amount of data of original data packet that Data-parallel language then may cause the data packet after being encrypted, and then occurs
The case where data packet is dropped in transmission process because being higher than communication network MTU amount after processing, therefore currently passing through communication
Intermediate equipment issues data packet under the scene that the target packet that equipment issues is encrypted, and easily deposits data packet after treatment
The case where loss.
In order to avoid the generation of above situation, the present embodiment is being unit in target packet according to preset data length
Data when being encrypted keep number before encrypting to the remaining data of insufficient preset data length without processing
According to state, the data volume for ensuring to encrypt with this in data packet of front and back is consistent, i.e. generation data volume is less than communication network MTU amount
Data packet after processing.
Step S32: data packet after processing is transmitted to data packet receiver.
The present embodiment is opposite to be avoided passing through communications intermediate devices and carries out data after encrypting obtained processing to data packet and exist
The case where transmission process is dropped further ensures the global reliability of data communication process.
On the basis of a series of above-mentioned embodiments, as a preferred embodiment, data packet is transmitted after handling
To data packet receiver, comprising:
Data packet after processing is transmitted to data packet receiver by the Optimization route path obtained based on routing algorithm.
It should be noted that the purpose of routing algorithm be find one from the corresponding source router of data packet sending device to
With the path of minimum transport overhead, i.e. Optimization route path between the corresponding purpose router of data packet receiver, in turn
Data packet after processing is transmitted to data packet receiver based on the Optimization route path that routing algorithm obtains by the present embodiment, can
The whole efficiency of opposite improve data transfer, and the overall overhead of relative reduction data communication.
Fig. 4 is a kind of structure chart of data communication equipment provided in an embodiment of the present invention.Number provided in an embodiment of the present invention
According to communication device, comprising:
Data packet interception module 10 issues the number of targets that equipment is transmitted to data packet receiver for intercepting from data packet
According to packet.
Data packet handing module 11 for carrying out default processing to target packet, and generates data volume less than communication network
Data packet after the processing of network MTU amount.
Data packet forward module 12 is transmitted to data packet receiver for data packet after handling.
Data communication equipment provided by the present invention, first interception issue equipment from data packet and pass to data packet receiver
Defeated target packet, and then the default place for handling and generating data volume and be less than communication network MTU amount is carried out to target packet
Data packet after processing is finally transmitted to data packet receiver by data packet after reason.Since the present apparatus ensures to target packet
The data volume for handle data packet after processing generated is less than communication network MTU amount, and then can be avoided after it will handle
Data packet be transmitted to the data packet after processing during data receiver data volume it is excessive due to the feelings that are abandoned by routing device
Condition, and then the loss of data in communication process is avoided the occurrence of, therefore the opposite global reliability for ensuring data communication process.
The present invention also provides a kind of communications intermediate devices, comprising:
Memory, for storing computer program；
Processor is realized when for executing the computer program such as the step of above-mentioned data communications method.
Communications intermediate devices provided by the present invention, first interception issue equipment from data packet and pass to data packet receiver
Defeated target packet, and then the default place for handling and generating data volume and be less than communication network MTU amount is carried out to target packet
Data packet after processing is finally transmitted to data packet receiver by data packet after reason.Since this communications intermediate devices ensures to mesh
The data volume that mark data packet handle data packet after processing generated is less than communication network MTU amount, and then can be avoided
The data volume that data packet after processing is transmitted to the data packet after processing during data receiver it is excessive due to by routing device
The case where discarding, and then the loss of data in communication process is avoided the occurrence of, therefore the opposite entirety for ensuring data communication process
Reliability.
The present invention also provides a kind of computer readable storage medium, computer journey is stored on computer readable storage medium
Sequence is realized when computer program is executed by processor such as the step of above-mentioned data communications method.
Computer readable storage medium provided by the present invention, first interception issue equipment from data packet and receive to data packet
The target packet of equipment transmission, and then default processing is carried out to target packet and generates data volume less than communication network MTU
Data packet after processing is finally transmitted to data packet receiver by data packet after the processing of amount.Due to this computer-readable storage
The data volume that medium ensures to carry out target packet to handle data packet after processing generated is less than communication network MTU amount, into
And it can be avoided during data packet is transmitted to data receiver after handling because the data volume of data packet after processing is excessive
And the case where being abandoned by routing device, and then the loss of data in communication process is avoided the occurrence of, therefore ensure that data are logical relatively
The global reliability of letter process.
A kind of data communications method provided by the present invention, device, equipment and medium are described in detail above.It says
Each embodiment is described in a progressive manner in bright book, and the highlights of each of the examples are the differences with other embodiments
Place, the same or similar parts in each embodiment may refer to each other.For the device disclosed in the embodiment, due to its with
Method disclosed in embodiment is corresponding, so being described relatively simple, reference may be made to the description of the method.It should refer to
It out, for those skilled in the art, without departing from the principle of the present invention, can also be to the present invention
Some improvement and modification can also be carried out, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (7)
1. a kind of data communications method, which is characterized in that be applied to communications intermediate devices, method includes:
It intercepts from data packet and issues the target packet that equipment is transmitted to data packet receiver；
Default processing is carried out to the target packet, and generates data volume less than data packet after the processing of communication network MTU amount；
Data packet after the processing is transmitted to the data packet receiver.
2. data communications method according to claim 1, which is characterized in that described to be preset to the target packet
Processing, and data volume is generated less than data packet after the processing of communication network MTU amount, comprising:
The data in the target packet are encrypted for unit according to preset data length, and to insufficient described pre-
If the remaining data of data length carries out the encryption of non-newly-increased data, generates data volume and be less than the communication network MTU amount
The processing after data packet.
3. data communications method according to claim 1, which is characterized in that described to be preset to the target packet
Processing, and data volume is generated less than data packet after the processing of communication network MTU amount, comprising:
It is that the data in the target packet are encrypted in unit, and stop to insufficient institute according to preset data length
The encryption of the remaining data of preset data length is stated, the processing that data volume is less than the communication network MTU amount is generated
Data packet afterwards.
4. according to claim 1 to data communications method described in 3 any one, which is characterized in that it is described will be after the processing
Data packet is transmitted to the data packet receiver, comprising:
Data packet after the processing is transmitted to the data packet receiver by the Optimization route path obtained based on routing algorithm.
5. a kind of data communication equipment characterized by comprising
Data packet interception module issues the target packet that equipment is transmitted to data packet receiver for intercepting from data packet；
Data packet handing module for carrying out default processing to the target packet, and generates data volume less than communication network
Data packet after the processing of MTU amount；
Data packet forward module, for data packet after the processing to be transmitted to the data packet receiver.
6. a kind of communications intermediate devices characterized by comprising
Memory, for storing computer program；
Processor realizes such as Claims 1-4 described in any item data communications methods when for executing the computer program
The step of.
7. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor such as the described in any item data communications methods of Claims 1-4
Step.
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| CN201910376148.8A CN110086823A (en) | 2019-05-07 | 2019-05-07 | A kind of data communications method, device, equipment and medium |
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| CN201910376148.8A CN110086823A (en) | 2019-05-07 | 2019-05-07 | A kind of data communications method, device, equipment and medium |
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| US20130077780A1 (en) * | 2001-07-30 | 2013-03-28 | Phillip W. Rogaway | Method and apparatus for facilitating efficient authenticated encryption |
| CN1801693A (en) * | 2005-06-28 | 2006-07-12 | 华为技术有限公司 | Short block processing method in block encryption algorithm |
| US20080192924A1 (en) * | 2007-02-12 | 2008-08-14 | Sybase, Inc. | Data encryption without padding |
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Application publication date: 20190802 |