WO2017219667A1 - Procédé, dispositif et système pour modifier un mss - Google Patents

Procédé, dispositif et système pour modifier un mss Download PDF

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Publication number
WO2017219667A1
WO2017219667A1 PCT/CN2017/071583 CN2017071583W WO2017219667A1 WO 2017219667 A1 WO2017219667 A1 WO 2017219667A1 CN 2017071583 W CN2017071583 W CN 2017071583W WO 2017219667 A1 WO2017219667 A1 WO 2017219667A1
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WIPO (PCT)
Prior art keywords
mss value
mss
network
data device
network nodes
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PCT/CN2017/071583
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English (en)
Chinese (zh)
Inventor
贾臻
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中兴通讯股份有限公司
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Publication of WO2017219667A1 publication Critical patent/WO2017219667A1/fr

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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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, an apparatus, and a system for modifying an MSS.
  • the negotiation of the Maximum Segment Size (MSS) value in the current Transmission Control Protocol (TCP) connection depends on the server and client that establish the connection.
  • the two parties use the three-way handshake process of TCP to negotiate the MSS value. This negotiation takes the smaller one. However, each operator has different definitions of the MSS value. If no modification is made, the server sends the data packet.
  • operations such as fragmentation and merging are performed, resulting in a significant drop in the data rate, and the user experience of the device is greatly reduced.
  • the server since the operator has different definitions of the MSS value, the server often needs to perform operations such as fragmentation of the data packet when sending the data packet, which is easy to cause the transmission rate of the server to send the data packet to be low and the user experience degree. Poor problems have not yet come up with an effective solution.
  • the embodiment of the present invention provides a method, a device, and a system for modifying an MSS, so as to at least solve the related art, because the operator has different definitions of the MSS value, the server often needs to fragment the data packet when sending the data packet. Such operations, which easily lead to low transmission rate of the server to send packets and poor user experience.
  • a method for modifying an MSS comprising: acquiring a first MSS value received by a data device having a wireless fidelity WiFi function for performing a network connection; and the first MSS value Modified to a second MSS value, where the second MSS value refers to an MSS value obtained by the data device according to a network in which the data device is located.
  • determining the second MSS value by: acquiring some or all network nodes in the network where the data device is located; transmitting a transmission control protocol TCP connection to the part or all network nodes, and receiving the a TCP handshake data packet fed back by some or all network nodes; parsing an MSS value corresponding to some or all network nodes from the TCP handshake data packet, and selecting a minimum MSS value from the MSS value as the second MSS value .
  • the method before sending the transmission control protocol TCP connection to the part or all of the network nodes, the method further includes: acquiring an IP address of the part or all network nodes, where the part is or according to the IP address All network nodes send TCP connections.
  • modifying the first MSS value to the second MSS value pre-saved in the data device comprises: modifying the first MSS value to the second MSS value by using a configured execution rule.
  • a device for modifying a maximum segment size MSS comprising: a first obtaining module, configured to acquire a data device received by a wireless fidelity WiFi function for network connection a first MSS value; a modification module, configured to modify the first MSS value to a second MSS value, where the second MSS value is an MSS value obtained by the data device according to a network where the data device is located .
  • the device further includes: a second acquiring module, configured to acquire some or all network nodes in the network where the data device is located; and a sending module configured to send a transmission control protocol TCP to the part or all network nodes a receiving module, configured to receive a TCP handshake data packet fed back by the part or all network nodes; and a parsing module configured to parse all MSS values corresponding to some or all network nodes from the TCP handshake data packet, and The smallest MSS value is selected as the second MSS value among all the MSS values.
  • a second acquiring module configured to acquire some or all network nodes in the network where the data device is located
  • a sending module configured to send a transmission control protocol TCP to the part or all network nodes
  • a receiving module configured to receive a TCP handshake data packet fed back by the part or all network nodes
  • a parsing module configured to parse all MSS values corresponding to some or all network nodes from the TCP handshake data packet, and The smallest MS
  • the apparatus further includes: a third obtaining module, configured to acquire an IP address of the part or all network nodes, where the TCP connection is sent to the part or all network nodes according to the IP address.
  • a third obtaining module configured to acquire an IP address of the part or all network nodes, where the TCP connection is sent to the part or all network nodes according to the IP address.
  • the modifying module is configured to modify the first MSS value to the second MSS value by using a configured execution rule.
  • a modified system of a maximum segment size MSS comprising: a data device having a wireless fidelity WiFi function, wherein the data device is configured to have a wireless fidelity WiFi function Receiving, by the data device, a first MSS value for performing a network connection; and modifying the first MSS value to a second MSS value, wherein the second MSS value refers to the data device according to the data device The MSS value obtained by the network where it is located.
  • the data device is further configured to acquire some or all network nodes in the network where the data device is located; send a transmission control protocol TCP connection to the part or all network nodes, and receive the part or all of the network The TCP handshake data packet fed back by the node; and parsing the MSS value corresponding to some or all of the network nodes from the TCP handshake data packet, and selecting the smallest MSS value from the MSS value as the second MSS value.
  • a computer storage medium is further provided, and the computer storage medium may store an execution instruction for implementing the modification method of the maximum segment size MSS in the foregoing embodiment.
  • the first MSS value in the network connection performed by the data device is uniformly modified into the second MSS value saved in the data device, and the foregoing technical solution is adopted to solve the related technology, because the operator
  • the MSS value has different definitions. Therefore, when the server sends a data packet, it often needs to perform operations such as fragmentation of the data packet, which may easily cause the server to transmit the data packet with low transmission rate and poor user experience, and thus can pass the solution.
  • the second MSS value in the network connection performed by the data device is consistent with the first MSS value stored in the data device to ensure the data transmission rate of the server, which brings a good user experience to the user.
  • FIG. 1 is a flowchart of a method of modifying an MSS according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a modification apparatus of an MSS according to an embodiment of the present invention.
  • FIG. 3 is another structural block diagram of a modification apparatus of an MSS according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a modification system of an MSS according to an example of the present invention.
  • FIG. 5 is a flow chart of a method of modifying an MSS according to an example of the present invention.
  • MTU maximum transmission unit
  • FIG. 1 is a flowchart of a method for modifying an MSS according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step S102 Acquire a first MSS value received by the data device with WiFi function for performing network connection.
  • Step S104 Modify the first MSS value to a second MSS value, where the second MSS value refers to an MSS value obtained by the data device according to the network where the data device is located.
  • the first MSS value in the network connection performed by the data device is uniformly modified into the second MSS value saved in the data device, and the foregoing technical solution is used to solve the related technology, because the operator has the MSS value Different definitions, the server often needs to shard the data packet when sending the data packet, which is easy to cause the server to send the data packet with low transmission rate and poor user experience, and thus can pass the number
  • the second MSS value in the network connection performed by the device is consistent with the first MSS value stored in the data device to ensure the data transmission rate of the server, which brings a good user experience to the user.
  • the above technical solution of the embodiment of the present invention intelligently adjusts the MSS value to ensure that the rate is up to standard, and ensures that the MTU value does not change, thereby preventing such a situation that seriously affects the user experience that cannot be used by some applications.
  • determining the second MSS value by: obtaining some or all network nodes in the network where the data device is located; transmitting a transmission control protocol TCP connection to some or all network nodes, and receiving a TCP handshake fed back by some or all network nodes Data packet; parsing all MSS values corresponding to some or all network nodes from the TCP handshake data packet, and selecting the smallest one from all MSS values as the first MSS value, that is, taking some or all network nodes between the terminal and the server as objects, All MSS values corresponding to some or all network nodes are parsed, and the smallest one is selected as the first MSS value from all MSS values.
  • the foregoing method may further perform the following steps: acquiring an IP address of some or all network nodes, where part or all is according to the IP address.
  • the network node sends a TCP connection.
  • the following technical solution may also be implemented: constructing an execution rule, where the execution rule is used to modify the second MSS value to the first MSS value, that is, specifically
  • the data device with the WiFi function in the embodiment of the present invention may be a MiFi (portable broadband wireless device, which may be understood as Mobile, according to the above-mentioned rule of the configuration to modify the second MSS value to the first MSS value.
  • the abbreviation of the WiFi which may be a ufi device, or other data device having a WiFi function, is not limited in this embodiment of the present invention.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (eg, ROM/RAM, disk, and optical disk include instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a modification device of the MSS is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 2 is a structural block diagram of a modification apparatus of an MSS according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes:
  • the first obtaining module 20 is configured to acquire a first MSS value received by the data device with the WiFi function for performing a network connection;
  • the modifying module 22 is configured to modify the first MSS value to a second MSS value, where the second MSS value refers to an MSS value obtained by the data device according to the network where the data device is located.
  • the first MSS value in the network connection performed by the data device is uniformly modified into the second MSS value saved in the data device by using the foregoing various functions of the modules, and the foregoing technical solution is adopted to solve the related technology, because the operator
  • the MSS value is defined differently, so the server often needs to perform operations such as fragmentation of the data packet when sending the data packet, which may easily lead to the problem that the server transmits the data packet with low transmission rate and poor user experience, and thus can pass the data packet.
  • the second MSS value in the network connection performed by the data device is consistent with the first MSS value stored in the data device to ensure the data transmission rate of the server, which brings a good user experience to the user.
  • FIG. 3 is another structural block diagram of a device for modifying an MSS according to an embodiment of the present invention.
  • the device further includes: a second acquiring module 24 configured to be part or all of the network nodes in the network where the data device is located;
  • the sending module 26 is configured to send a transmission control protocol TCP connection to some or all of the network nodes; and the receiving module 28 is configured to receive some or all of the network nodes.
  • the TCP handshake packet is fed;
  • the parsing module 30 is configured to parse all MSS values corresponding to some or all network nodes from the TCP handshake packet, and select the smallest MSS value from all MSS values as the second MSS value.
  • the foregoing apparatus further includes: a third obtaining module 32, configured to acquire an IP address of some or all network nodes, where the TCP connection is sent to some or all network nodes according to the IP address, and the modifying module 22 is further configured to pass The constructed execution rule modifies the first MSS value to the second MSS value.
  • a third obtaining module 32 configured to acquire an IP address of some or all network nodes, where the TCP connection is sent to some or all network nodes according to the IP address
  • the modifying module 22 is further configured to pass The constructed execution rule modifies the first MSS value to the second MSS value.
  • a system for modifying an MSS including:
  • a data device having a wireless fidelity WiFi function wherein the data device is configured to acquire a first MSS value received by the data device having the WiFi function for performing a network connection; and modify the first MSS value to the second The MSS value, where the second MSS value refers to the MSS value obtained by the data device according to the network where the data device is located.
  • the first MSS value in the network connection performed by the data device is uniformly modified into the second MSS value saved in the data device, and the foregoing technical solution is used to solve the related art. Since the operator defines the MSS value differently, the server often needs to perform the operation of fragmenting the data packet when sending the data packet, which may cause the transmission rate of the server to transmit the data packet and the user experience to be poor.
  • the second MSS value in the network connection to be performed by the data device and the first MSS value stored in the data device can be consistent to ensure the data transmission rate of the server, which brings a good user experience to the user.
  • the foregoing data device is further configured to acquire some or all network nodes in the network where the data device is located; send a transmission control protocol TCP connection to some or all network nodes, and receive a TCP handshake packet fed back by some or all network nodes. And parsing the MSS value corresponding to some or all network nodes from the TCP handshake data packet, and selecting the smallest MSS value from the MSS value as the second MSS value.
  • the example of the present invention can be used to adjust the MSS value to adapt to the operator's network, if the user terminal does not modify the MTU by using the intermediate device (ie, the data device with the wireless fidelity WiFi function). This can achieve higher performance when downloading data, and bring a good experience to the user, while not modifying the MTU value to prevent failure problems that cannot be segmented.
  • the intermediate device ie, the data device with the wireless fidelity WiFi function
  • FIG. 4 is a structural block diagram of a modified system of an MSS according to an example of the present invention. As shown in FIG. 4, the method mainly includes:
  • the network status module 40 is detected, the network node module 42 is acquired, the intelligent analysis module 44 is set, and the installation module 46 is set. After detecting the network connection success, the network status module 40 first sends a series of ping packet data on the board side, and records an address that can be normally communicated. Then, the acquiring network node module 42 obtains the IP address on each node by using the address obtained in the previous step, and then through route tracking, and saves and records these addresses. The intelligent parsing module 44 will parse the TCP handshake data returned by the node according to all the IP addresses obtained in the previous step, and intercept the TCP handshake data packet returned by the node, and then parse the MSS value, and finally select the smallest MSS. value.
  • the setup installation module 46 sets the optimal MSS value to the above data device, whereby all the data devices will automatically modify the MSS value to maintain the same network value as the operator, and when downloading data, the data rate will be lower than The rate at which any modification is made is greatly improved, and the MTU value is not modified, so that the performance and evaluation of the device by the user will be very high.
  • FIG. 5 is a flowchart of a method for modifying an MSS according to an example of the present invention. The following detailed flowchart is used to explain how the above modules can intelligently adjust the MSS value.
  • Step S502 The terminal device is normally connected to the network. After the network is successfully connected, the network status module 40 is invoked. The module uses a ping, domain name server (DNS) analysis to determine whether the network can access the internet network normally. And select a well-known IP address, the following 8.8.8.8 address as an example. When the network is not normal, the detection network status module 40 is continuously called until the network is normal.
  • DNS domain name server
  • Step S504 after the network status is normal, call the acquisition network node module 42, and then use the traceroute tool to obtain some or all network nodes between the terminal and the server 8.8.8.8, some of which may be in the carrier network, some It may not be in the carrier network. Since it is impossible to distinguish whether it belongs to the carrier network node, all network nodes are recorded.
  • Step S506 after successfully acquiring the network node, calling the intelligent parsing module 44, the module will perform a TCP connection with the recorded network node by constructing a socket, and intercept the returned TCP handshake data packet by using the hook function, and the slave data packet. Obtain the MSS value returned by each network node, compare all MSS values, and select the smallest MSS value.
  • Step S508 after the intelligent parsing module 44 is completed, the setting installation module 46 is invoked, and a rule is constructed in the data device by using the iptables tool, for example, the following rules are
  • This rule will modify the mss value of min_mss for all tcp handshake connections over the data device to ensure that the device can better adapt to the carrier's network.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • FIG. 1 is a schematic flowchart of a method provided by the method, which mainly includes four modules and is disposed in a wireless router. The provided process ultimately installs the optimal MSS value into the wireless routing module.
  • the MSS values are different. Modifying the MTU value directly has some problems that affect the user experience. Therefore, modifying the MSS value can ensure a better user experience. At the same time, the MSS value can be modified.
  • the network can be intelligently adjusted to ensure that the network can be adjusted under each operator's network. The equipment can achieve a good rate effect, which brings users a high quality experience and improves the competitiveness of the product.
  • the embodiment of the present invention achieves the following technical effects: in the related art, since the operator defines the MSS value differently, the server often needs to perform the operation of fragmenting the data packet when sending the data packet. In this way, the problem that the transmission rate of the data packet sent by the server is low and the user experience is poor, and the second MSS value in the network connection to be performed by the data device can be consistent with the first MSS value stored in the data device. Guarantee the data transmission rate of the server, bringing a good user experience to the user.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the foregoing technical solution provided by the embodiment of the present invention may be applied to the process of modifying the MSS value, and uniformly modifying the first MSS value in the network connection performed by the data device to the second MSS value saved in the data device, and adopting
  • the above technical solution solves the related art. Since the operator has different definitions of the MSS value, the server often needs to perform the operation of fragmenting the data packet when sending the data packet, which is easy to cause the transmission rate of the data packet sent by the server. The problem of low user experience is poor, and the second MSS value in the network connection performed by the data device and the first MSS value stored in the data device can be consistent to ensure the data transmission rate of the server.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention concerne un procédé, un dispositif et un système pour modifier un MSS. Le procédé consiste : à acquérir une première valeur de MSS reçue par un dispositif de données ayant une fonction Wi-Fi, pour une connexion réseau ; et à modifier la première valeur de MSS pour qu'elle devienne une seconde valeur de MSS, la seconde valeur de MSS se rapportant à une valeur de MSS acquise par le dispositif de données selon un réseau dans lequel se trouve le dispositif de données. Grâce aux solutions techniques décrites, l'invention résout le problème dans l'état de la technique associé selon lequel des opérateurs définissent la valeur de MSS différemment, et des serveurs ou des clients doivent effectuer des opérations sur des paquets de données, par exemple, fragmenter des paquets de données, lors de la transmission des paquets de données sur des réseaux des opérateurs, conduisant facilement à un faible débit de transmission auquel les serveurs ou clients transmettent les paquets de données sur les réseaux des opérateurs, ainsi qu'à une expérience d'utilisateur médiocre. Ainsi, l'invention peut en outre maintenir la seconde valeur de MSS dans la connexion réseau au moyen du dispositif de données cohérente avec la première valeur de MSS stockée dans le dispositif de données, garantissant le débit de transmission de données des serveurs.
PCT/CN2017/071583 2016-06-21 2017-01-18 Procédé, dispositif et système pour modifier un mss WO2017219667A1 (fr)

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CN112866133B (zh) * 2019-11-26 2023-07-28 华为技术有限公司 用于获取共用最大分段大小mss的方法及装置
CN115022419B (zh) * 2022-06-30 2024-02-20 武汉思普崚技术有限公司 一种自动调整mss的方法、装置和存储介质

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