CN106789717A - Dynamic adjusts method, device and the terminal of the MTU of communication protocol data message transmission - Google Patents
Dynamic adjusts method, device and the terminal of the MTU of communication protocol data message transmission Download PDFInfo
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- CN106789717A CN106789717A CN201611217896.4A CN201611217896A CN106789717A CN 106789717 A CN106789717 A CN 106789717A CN 201611217896 A CN201611217896 A CN 201611217896A CN 106789717 A CN106789717 A CN 106789717A
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- network node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/36—Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
- H04L47/365—Dynamic adaptation of the packet size
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
Abstract
The present invention relates to a kind of method of the MTU of dynamic adjustment communication protocol data message transmission, including：Terminal is set up with server by network node and is connected；Terminal receives the Internet Control Message Protocol ICMP bags of network node transmission in the communication process with server, and the current MTU value of network node is obtained according to the ICMP bags；The current MTU value of more new terminal is the current MTU value of the network node；MTU value after terminal is set up with server and is connected again, and notification server terminal updates, so that the MTU value after the server updates according to the terminal determines whether to be updated the current MTU value of server.Using the method, when occurring abnormal by receiving the ICMP bags that network node sends, terminal and server can be carried out dynamic MTU value and update, so that terminal and server can dynamically adjust itself MSS, network service can be recovered in Network Abnormal.Additionally, additionally providing a kind of device of the MTU of dynamic adjustment communication protocol data message transmission.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of dynamic adjustment communication protocol data message transmission MTU
Method, device and terminal.
Background technology
MTU (Maximum Transmission Unit, MTU) refers on a kind of a certain layer of communication protocol
The face maximum data packet size to be passed through.MSS (Maximum Segment Size) maximum message segment segment length, refers to that TCP connects
Connect when setting up, the maximum data length that each message segment can be accepted during receiving-transmitting sides negotiation communication.In terminal and server
When setting up TCP connections, two ends all only can check the MTU of oneself, by TCP three-way handshake, it may be determined that the MSS of present communications,
Wherein, MSS=MTU-IP packet header-TCP packet header.
In communication process, if certain network node (such as wireless network access point AP or gateway of current connection
Deng) MSS less than three-way handshake determine MSS, may result in the MSS of the packet for receiving beyond itself current MSS's
Size, then can abandon the message for receiving.Can so cause to send data failure between server and terminal, so as to cause network
Communication occurs abnormal.
The content of the invention
Based on this, it is necessary to for above-mentioned technical problem, there is provided one kind is adapted dynamically MTU to avoid network service from occurring
Abnormal dynamic adjusts method, device and the terminal of the MTU of communication protocol data message transmission.
A kind of method of the MTU MTU of dynamic adjustment communication protocol data message transmission, including：
Terminal is set up with server by network node and is connected；
Terminal receives the Internet Control Message Protocol ICMP of network node transmission in the communication process with server
Bag, the current MTU value of network node is obtained according to the ICMP bags；
The current MTU value of more new terminal is the current MTU value of the network node；
MTU value after terminal is set up with server and is connected again, and notification server terminal updates, so that the server
MTU value after being updated according to the terminal determines whether to be updated the current MTU value of server.
A kind of device of the MTU MTU of dynamic adjustment communication protocol data message transmission, described device includes：
First connection establishment module, is connected for being set up with server by network node；
ICMP bag receiver modules, for receiving the ICMP bags that network node sends, root in the communication process with server
The current MTU value of network node is obtained according to the ICMP bags；
MTU update modules, are the current MTU value of the network node for the current MTU value of more new terminal；
After second connection establishment module, sets up with server and is connected again for terminal, and notification server terminal updates
MTU value so that the server according to the terminal update after MTU value determine whether to carry out the current MTU value of server
Update.
A kind of terminal, including above-mentioned dynamic adjusts the device of the MTU of communication protocol data message transmission.
The method of MTU of above-mentioned dynamic adjustment communication protocol data message transmission, device and terminal, terminal with server
Communication process in by receiving the ICMP bags that network node sends, according to the ICMP bags acquisition current MTU value of network node, more
The current MTU value of new terminal is the current MTU value of network node.Terminal after the MTU value for having updated itself again with server
The MTU value set up after connection, and the renewal of notification server terminal, so that the MTU value after server can update according to terminal determines
Whether the current MTU value of server is updated.So, when occurring abnormal terminal by receiving what network node sent
ICMP bags update itself MTU value, by again with server set up be connected again may be updated server MTU value so that terminal with
Server can be carried out dynamic MTU value and update, so that terminal and server can be with when network service occurs abnormal
Dynamic adjusts itself MSS so that abnormal network can recover proper communication.
Brief description of the drawings
Fig. 1 be one embodiment in dynamically adjust communication protocol data message transmission MTU method applied environment figure；
Fig. 2 is the cut-away view of terminal in one embodiment；
Fig. 3 be one embodiment in dynamically adjust communication protocol data message transmission MTU method flow chart；
Fig. 4 is the flow chart of the method for the MTU that communication protocol data message transmission is dynamically adjusted in another embodiment；
Fig. 5 be one embodiment in dynamically adjust communication protocol data message transmission MTU method timing diagram；
Fig. 6 be one embodiment in dynamically adjust communication protocol data message transmission MTU device structured flowchart；
Fig. 7 is the structured flowchart of the device of the MTU that communication protocol data message transmission is dynamically adjusted in another embodiment.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The method of the MTU of the dynamic adjustment communication protocol data message that the embodiment of the present invention is provided can be applied to such as Fig. 1
In shown environment.With reference to shown in Fig. 1, terminal 102 is set up with server 106 by network node 104 and is connected and is communicated,
Wherein, network node 104 can be the equipment such as wireless network access point, gateway or router.Specifically, terminal 102 with
During server 106 communicates, when the MSS of network node 104 is determined less than terminal 102 with the three-way handshake of server 106
MSS when, can cause to abandon send data failure between the message for receiving, that is, terminal 102 and server 106.Now,
Network node 104 can to terminal 102 send ICMP bags, ICMP (Internet Control Message Protocol,
Internet Control Message Protocol) be TCP/IP protocol suite a sub-protocol, between IP main frames, router transmit control
Message processed.Terminal 102 gets the current MTU value of network node and more new terminal by receiving after ICMP bags according to ICMP bags
The MTU value of itself.Then, terminal 102 is set up to server 106 and is connected again, the MTU value notification server after terminal is updated
106, so that server 106 determines the need for entering the current MTU value of server 106 according to the MTU value after the renewal of terminal 102
Row updates.Therefore, when data transmission exception between terminal 102 and server 106, can be by the dynamic more kimonos of new terminal 102
The MTU value of business device 106 causes that data transfer recovers normal.
Fig. 2 is the internal structure schematic diagram of terminal in one embodiment.The terminal includes the place connected by system bus
Reason device, non-volatile memory medium, network interface, built-in storage, input unit.The wherein non-volatile memory medium of the terminal
Be stored with operating system, and also including a kind of device of the MTU of dynamic adjustment communication protocol data message transmission, this dynamically adjusts logical
Believe that the device of the MTU of agreement data message transmission is used to realize a kind of MTU's of dynamic adjustment communication protocol data message transmission
Method.The processor is used to provide calculating and control ability, supports the operation of whole terminal.Built-in storage in terminal is non-easy
The operation of the device of the MTU of the dynamic adjustment communication protocol data message transmission in the property lost storage medium provides environment, and network connects
Mouth receives the ICMP bags that network node sends for being communicated with server or network node, such as, to network node transmission
Packet etc..Input unit can be the equipment such as keyboard, mouse or touch-screen.Wherein, terminal can connect network section
Various personal computers, personal digital assistant, notebook computer, panel computer, smart mobile phone, the wearable smart machine of point
Deng.
As shown in figure 3, in one embodiment, there is provided a kind of MTU of dynamic adjustment communication protocol data message transmission
Method, the method being applied to be illustrated in terminal as shown in Figure 1, including：
Step 302, terminal is set up with server by network node and is connected.
In one embodiment, terminal can set up TCP and be connected with server, be consulted by TCP three-way handshake current logical
The maximum message segment segment length MSS of letter.Afterwards, can be communicated according to the MSS for consulting between terminal and server.
Step 304, terminal receives the ICMP bags of network node transmission in the communication process with server, according to ICMP bags
Obtain the MTU value of network node.
In one embodiment, if network node finds the communication abnormality between terminal and server, such as network is worked as
Nodal test, less than the MSS that terminal determines with server three-way handshake, may result in the packet for receiving and surpass to the MSS of itself
Go out the size of itself current MSS, then can abandon the message for receiving.Network node finds the communication between terminal and server
When abnormal, ICMP bags can be sent to terminal, to inform the MTU value of terminal network node itself by ICMP bags.Terminal is received
The ICMP bags of network node, the size according to ICMP bags is the MTU value that can obtain network node.
The current MTU value of step 306, more new terminal is the MTU value of network node.
In one embodiment, to get network node according to the IMCP bags that the network node that receives sends current for terminal
MTU value, itself current MTU value can be updated to the current MTU value of network node, to realize the MTU value to terminal itself
It is adjusted.
MTU value after step 308, terminal is set up with server and is connected again, and notification server terminal updates, so that clothes
MTU value after business device updates according to terminal determines whether to be updated the current MTU value of server.
In one embodiment, after terminal has updated itself MTU value, initiate to connect to server again, in Connection Service
The MTU value after server terminal renewal is may be notified that during device, server gets the MTU value after terminal updates, according to end
MTU value after end updates determines the need for updating itself MTU value.
In the present embodiment, terminal is in the communication process with server by receiving the ICMP bags that network node sends, root
The current MTU value of network node is obtained according to ICMP bags, the current MTU value of more new terminal is the current MTU value of network node.Terminal
Set up with server again after the MTU value for having updated itself and be connected, and the MTU value after the renewal of notification server terminal, so that
MTU value after server can update according to terminal determines whether to be updated the current MTU value of server.So, it is different when occurring
Terminal updates itself MTU value by receiving the ICMP bags that network node sends when often, is connected by being set up with server again
The MTU value of server may be updated again so that terminal and server can be carried out dynamic MTU value and update, so that in net
Terminal and server can dynamically adjust itself MSS when network communication occurs abnormal so that abnormal network can recover positive normal open
Letter.
Specifically, in one embodiment, MTU value after terminal updates is less than the current MTU value of server, then update clothes
The current MTU value of business device is the MTU value after terminal updates.
In the present embodiment, server gets the MTU value after terminal updates, and compares the current MTU value of server and terminal more
The size of the MTU value after new, if the MTU value after the current MTU value of server updates more than terminal, if server is still according to working as
Preceding MTU value sends message, and network node and terminal MSS now are both less than the current MSS of server, cause network node and end
End cannot receive the message of server transmission.Therefore, if the current MTU value of server is more than the MTU value after terminal renewal,
It is the MTU value after terminal updates to update the current MTU value of server.And if the MTU value after terminal updates is current more than server
MTU value, then show the current MSS of server less than terminal or the current MSS of network node, and server sends according to current MSS and reports
Wen Shi, terminal and network node can be received.So if the MTU value after terminal updates is more than the current MTU value of server,
The current MTU value of server is not adjusted then, server still sends message according to current MTU value.
In one embodiment, terminal is set up with server and is connected, including：Terminal is set up TCP and is connected with server, passes through
TCP three-way handshake, determines the maximum message segment segment length MSS of present communications.In the present embodiment, terminal is in the communication with server
The ICMP bags that network node sends are received in journey, including：During terminal and server communication between terminal and server
When the MSS of network node is less than the MSS that three-way handshake determines, terminal receives the ICMP bags that network node sends.
In one embodiment, after terminal is set up with server and is connected, also include：Terminal sends probe data packet to clothes
Business device so that network node receive after probe data packet according to probe data packet detect network it is whether abnormal and in exception to end
End sends ICMP bags.
Further, in one embodiment, network node detects net after receiving probe data packet according to probe data packet
Whether network is abnormal and sends ICMP bags to terminal in exception, including：Network node obtains current network according to probe data packet
The MSS of communication, as MSSs of the MSS less than current network communication for detecting network node itself, then sends ICMP bags to terminal.
As shown in figure 4, in one embodiment, there is provided a kind of MTU of dynamic adjustment procotol data message transmission
Method, the method being applied to be illustrated in terminal as shown in Figure 1, including：
Step 402, terminal is set up TCP and is connected by network node and server.
In one embodiment, terminal can set up TCP and be connected with server.Specifically, TCP can be initiated tri- times to server
Shake hands, the MSS of present communications can be consulted by TCP three-way handshake terminal and server.Afterwards, can terminal and server it
Between can according to three-way handshake determine MSS be communicated.
In one embodiment, after terminal is established with server and is connected, terminal actively can send detection number to server
According to bag, after network node receives probe data packet, obtaining terminal and server according to probe data packet currently carries out network and leads to
The MSS of letter, when network node detects the MSS of network node itself less than the MSS that current network communicates, then network node meeting
Dropping packets.Now network node detects exception, and ICMP bags are sent to terminal.Terminal can be according to network after receiving ICMP bags
The current MTU value of node adjusts the MTU value of the adjustment server of itself MTU value and adaptability.Set up in terminal and server
After connection, detect whether present communications are abnormal by actively sending probe data packet, can enter to there is abnormal network in time
Row recovery is processed.
In another embodiment, during terminal and server communication, terminal can also be regularly or every default
Time sends probe data packet by network node to server, detects whether just current network communicates with by probe data packet
Often.Due to be possible between terminal and server be not always in transmitting message, by way of actively sending probe data packet,
Can in time find whether network service is normal, so that occurring abnormal network in time carries out recovery treatment.
Step 404, the MSS of network node of the terminal in the communication process of server between terminal and server is less than
During the MSS that three-way handshake determines, terminal receives the ICMP bags that network node sends, and it is current to obtain network node according to ICMP bags
MTU value.
In one embodiment, in the communication process of terminal and server, network node can receive terminal or server
The message of transmission, according to the MSS of Receive message to present communications, if network node detect the MSS of itself less than terminal with
When server carries out the MSS of network service, then can abandon and receive message, now network node finds network service exception, meeting
ICMP bags are sent to terminal.Terminal receives the ICMP bags of network node, and the size according to ICMP bags is that can obtain network node
Current MTU value.
The current MTU value of step 406, more new terminal is the current MTU value of network node.
In one embodiment, to get network node according to the IMCP bags that the network node that receives sends current for terminal
MTU value, itself current MTU value is updated to the current MTU value of network node.
Step 408, terminal is set up TCP and is connected with server again, and the current MTU value of notification server terminal, so that
MTU value after server updates according to terminal determines whether to be updated the current MTU value of server.
In one embodiment, after terminal has updated itself MTU value, TCP three-way handshake is initiated to server again, so that
MTU value notification server after can terminal be updated.Server gets the MTU value after terminal updates, and is updated according to terminal
MTU value afterwards determines the need for updating the MTU value of itself.
Specifically, server gets the MTU value after terminal updates, after comparing the current MTU value of server and terminal renewal
MTU value size, if the current MTU value of server more than terminal update after MTU value, if server is still according to current
MTU value sends message, and network node and terminal MSS now are both less than the current MSS of server, cause network node and terminal
The message of server transmission cannot be received.Therefore, if the current MTU value of server is more than the MTU value after terminal updates, more
The current MTU value of new demand servicing device is the MTU value after terminal updates.And if the MTU value after terminal updates is more than the current MTU of server
Value, then show the current MSS of server less than terminal or the current MSS of network node, and server sends message according to current MSS
When, terminal and network node can be received.So if the MTU value after terminal updates is more than the current MTU value of server, then
The current MTU value of server is not adjusted, server still sends message according to current MTU value.
In the present embodiment, set up after TCP is connected in terminal and server, can be by actively sending the side of probe data packet
Whether formula causes network node abnormal with the communication of active detecting current network, such that it is able to enter to there is abnormal network in time
Row recovers.Network node is by sending ICMP bags to terminal so that terminal can be current to adapt to the MTU value of adjust automatically itself
Network.And after terminal has adjusted the MTU value of itself, connected by initiating TCP to server again so that server can also root
According to the adjustment of the MTU value self adaptation after the terminal adjustment MTU value of itself, so as to recover network proper communication.
Fig. 5 shows the timing diagram of the MTU that communication protocol data message transmission is dynamically adjusted in one embodiment.Such as Fig. 5
Shown, the detailed process of the MTU of dynamic adjustment communication protocol data message transmission is：
Terminal is set up by network node and server be connected first, in the present embodiment, terminal and by TCP three-way handshake
TCP is set up with server to be connected, the MSS of present communications is consulted by terminal and server after the three-way handshake of TCP.As determined
The current MTU=1500 of terminal, MSS=1460, server current MTU=1500, MSS=1460.Now network node
Current MTU=1480.Further, after terminal is set up with server and is connected, terminal can be by network node actively to service
Device sends probe data packet, goes to detect the MTU value of current network.Network node is sent out after receiving the probe data packet that terminal sends
MTU value of the MTU value of the now current MTU=1500 of terminal, that is, network node less than terminal.Then, network node is to end
End sends ICMP bags to point out MTU exceptions.Terminal receives ICMP bags, and it is 1480 to update MTU, now the MSS=1440 of terminal.
After terminal has updated the MTU value of itself, terminal is initiated TCP and is connected to server again, by TCP three-way handshake terminal and service
The MSS for being communicated can be again consulted between device.Specifically, terminal can during TCP connections are initiated to server
MTU value after the renewal of notification server terminal, server compares the size of the MTU value after itself current MTU value and terminal renewal,
If the current MTU value of server updates the MTU after the MTU value of server updates for terminal more than the MTU value after terminal renewal
Value.As in this example, final determination MSS=1440 is current MSS.Afterwards, network node can normally receive terminal or
The message that server sends, recovers normal network service between terminal and server.
As shown in fig. 6, in one embodiment, there is provided a kind of MTU of dynamic adjustment communication protocol data message transmission
Device, including the first connection establishment module 602, ICMP bags receiver module 604, MTU update modules 606, second connection set up
Module 608, wherein：
First connection establishment module 602 is used to be connected with server foundation by network node.
ICMP bags receiver module 604 is used to receive the ICMP bags that network node sends in the communication process with server,
The current MTU value of network node is obtained according to ICMP bags.
It is the current MTU value of network node that MTU update modules 606 are used for the current MTU value of more new terminal.
Second connection establishment module 608 is used to be connected with server foundation again, and the MTU that notification server terminal updates
Value, so that the MTU value after server updates according to terminal determines whether to be updated the current MTU value of server.
In one embodiment, MTU value after terminal updates is less than the current MTU value of server, then update server and work as
Preceding MTU value is the MTU value after terminal updates.
In one embodiment, the first connection establishment module 602 is used to setting up TCP with server and is connected, by TCP tri- times
Shake hands, determine the maximum message segment segment length MSS of present communications；ICMP bags receiver module 604 is used to work as terminal and server communication
During network node between terminal and server MSS less than the MSS that three-way handshake determines when, receive network node and send
ICMP bags.
In one embodiment, as shown in fig. 7, the device of the MTU of dynamic adjustment communication protocol data message transmission is also wrapped
Include：Active probe module 601, for after the first connection establishment module 602 and server are set up and be connected, sending probe data packet
To server, so that whether network node detects network extremely and when abnormal after receiving probe data packet according to probe data packet
ICMP bags are sent to terminal.
Further, in one embodiment, active probe module 601 is used to make network node be obtained according to probe data packet
The MSS of current network communication is taken, as MSSs of the MSS less than current network communication for detecting network node itself, is then sent out to terminal
Send ICMP bags.
In one embodiment, a kind of terminal, including the dynamic adjustment communication protocols that the various embodiments described above are provided are additionally provided
Discuss the device of the MTU of data message transmission.
One of ordinary skill in the art will appreciate that all or part of flow in realizing above-described embodiment method, can be
The hardware of correlation is instructed to complete by computer program, described program can be stored in a non-volatile computer and can read
In storage medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage is situated between
Matter can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (11)
1. a kind of method that dynamic adjusts the MTU MTU of communication protocol data message transmission, including：
Terminal is set up with server by network node and is connected；
Terminal receives the Internet Control Message Protocol ICMP bags of network node transmission, root in the communication process with server
The current MTU value of network node is obtained according to the ICMP bags；
The current MTU value of more new terminal is the current MTU value of the network node；
Terminal again with server set up be connected, and notification server terminal renewal after MTU value so that the server according to
MTU value after the terminal updates determines whether to be updated the current MTU value of server.
2. method according to claim 1, it is characterised in that the MTU value after terminal updates is less than the service
The current MTU value of device, then it is the MTU value after the terminal updates to update the current MTU value of the server.
3. method according to claim 1, it is characterised in that the terminal is set up with server and is connected, including：The end
End is set up TCP and is connected with server, by TCP three-way handshake, determines the maximum message segment segment length MSS of present communications；
The terminal receives the Internet Control Message Protocol ICMP of network node transmission in the communication process with server
Bag, including：The MSS of the network node during terminal and server communication between the terminal and server holds less than three times
During the MSS that hand determines, the terminal receives the ICMP bags that the network node sends.
4. method according to claim 1, it is characterised in that after the terminal and server are set up and be connected, also wrap
Include：
The terminal sends probe data packet to server, so that according to spy after the network node reception probe data packet
Survey packet and detect whether network is abnormal and sends ICMP bags to terminal in exception.
5. method according to claim 4, it is characterised in that the network node receives basis after the probe data packet
Whether probe data packet detection network is abnormal and sends ICMP bags to terminal in exception, including：
The network node obtains the MSS that current network communicates according to the probe data packet, when detecting network node itself
MSS less than current network communication MSS, then to terminal send ICMP bags.
6. a kind of dynamic adjusts the device of the MTU MTU of communication protocol data message transmission, it is characterised in that described
Device includes：
First connection establishment module, is connected for being set up with server by network node；
ICMP bag receiver modules, for receiving the ICMP bags that network node sends in the communication process with server, according to institute
State ICMP bags and obtain the current MTU value of network node；
MTU update modules, are the current MTU value of the network node for the current MTU value of more new terminal；
MTU value after second connection establishment module, is connected for being set up with server again, and notification server terminal updates,
So that the MTU value after the server updates according to the terminal determines whether to be updated the current MTU value of server.
7. device according to claim 6, it is characterised in that the MTU value after terminal updates is less than the service
The current MTU value of device, then it is the MTU value after the terminal updates to update the current MTU value of the server.
8. device according to claim 6, it is characterised in that first connection establishment module is used for and server is set up
TCP is connected, and by TCP three-way handshake, determines the maximum message segment segment length MSS of present communications；The ICMP bags receiver module is used
Determine less than three-way handshake in the MSS of the network node during terminal and server communication between the terminal and server
MSS when, receive the ICMP bags that the network node sends.
9. device according to claim 6, it is characterised in that described device also includes：
Active probe module, for after first connection establishment module and server are set up and be connected, sending probe data packet
To server, so that the network node detects whether network is abnormal simultaneously after receiving the probe data packet according to probe data packet
In exception ICMP bags are sent to terminal.
10. device according to claim 9, it is characterised in that the active probe module is used to make the network node
The MSS that current network communicates is obtained according to the probe data packet, when the MSS for detecting network node itself is less than current network
The MSS of communication, then send ICMP bags to terminal.
A kind of 11. terminals, including the dynamic adjustment communication protocol data message transmission described in claim 6 to 10 any one
The device of MTU.
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| CN201611217896.4A CN106789717B (en) | 2016-12-26 | 2016-12-26 | The method, apparatus and terminal of the MTU of dynamic adjustment communication protocol data message transmission |
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| CN107566173A (en) * | 2017-08-29 | 2018-01-09 | 深圳天珑无线科技有限公司 | Mobile terminal sets the method and device of MTU |
| CN112866133A (en) * | 2019-11-26 | 2021-05-28 | 华为技术有限公司 | Method and device for acquiring MSS (maximum segment size) in common |
| CN113271556A (en) * | 2021-04-07 | 2021-08-17 | 维沃移动通信有限公司 | Session message sending method and device and electronic equipment |
| CN115022252A (en) * | 2022-05-31 | 2022-09-06 | 青岛海信移动通信技术股份有限公司 | Method and equipment for configuring maximum length of transmission data packet |
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| CN107566173A (en) * | 2017-08-29 | 2018-01-09 | 深圳天珑无线科技有限公司 | Mobile terminal sets the method and device of MTU |
| CN112866133A (en) * | 2019-11-26 | 2021-05-28 | 华为技术有限公司 | Method and device for acquiring MSS (maximum segment size) in common |
| WO2021103822A1 (en) * | 2019-11-26 | 2021-06-03 | 华为技术有限公司 | Method for acquiring common maximum segment size (mss), and device |
| CN112866133B (en) * | 2019-11-26 | 2023-07-28 | 华为技术有限公司 | Method and device for acquiring MSS (maximum segment size) |
| CN113271556A (en) * | 2021-04-07 | 2021-08-17 | 维沃移动通信有限公司 | Session message sending method and device and electronic equipment |
| WO2023173876A1 (en) * | 2022-03-15 | 2023-09-21 | 深圳市广和通无线股份有限公司 | Data communication method and apparatus, device and medium |
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| CN115022419A (en) * | 2022-06-30 | 2022-09-06 | 武汉思普崚技术有限公司 | Method, device and storage medium for automatically adjusting MSS |
| CN115022419B (en) * | 2022-06-30 | 2024-02-20 | 武汉思普崚技术有限公司 | Method, device and storage medium for automatically adjusting MSS |
| CN115190045A (en) * | 2022-07-06 | 2022-10-14 | 南京云柜网络科技有限公司 | Express cabinet system service monitoring method and device, electronic equipment and storage medium |
| CN115190045B (en) * | 2022-07-06 | 2024-04-09 | 南京云柜网络科技有限公司 | Monitoring method and device for express cabinet system service, electronic equipment and storage medium |
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