WO2013166758A1 - 一种配置最大传输单元(mtu)值的方法、终端及usb数据卡 - Google Patents

一种配置最大传输单元(mtu)值的方法、终端及usb数据卡 Download PDF

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Publication number
WO2013166758A1
WO2013166758A1 PCT/CN2012/076704 CN2012076704W WO2013166758A1 WO 2013166758 A1 WO2013166758 A1 WO 2013166758A1 CN 2012076704 W CN2012076704 W CN 2012076704W WO 2013166758 A1 WO2013166758 A1 WO 2013166758A1
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Prior art keywords
mtu
data card
mtu value
terminal
usb data
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PCT/CN2012/076704
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English (en)
French (fr)
Inventor
彭亚龙
汪亚东
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中兴通讯股份有限公司
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Priority to EP12876577.3A priority Critical patent/EP2838232B1/en
Priority to US14/400,364 priority patent/US20150143012A1/en
Publication of WO2013166758A1 publication Critical patent/WO2013166758A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2289Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by configuration test
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4063Device-to-bus coupling
    • G06F13/4068Electrical coupling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46Interconnection of networks
    • H04L12/4604LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462LAN interconnection over a bridge based backbone
    • H04L12/4625Single bridge functionality, e.g. connection of two networks over a single bridge
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/36Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/166IP fragmentation; TCP segmentation

Definitions

  • the invention belongs to the field of embedded development and communication, and relates to a method and a corresponding device for configuring an MTU (Maximum Transmission Unit) value.
  • MTU Maximum Transmission Unit
  • USB Universal Serial BUS
  • the existing method for configuring the MTU value through the data card is as follows: A configurable interface is provided on the UI (User Interface), and the user inputs the specific MTU value in the configuration interface, and finally writes the MTU value to the PC. In the background file, and use the MTU value to dial the action.
  • UI User Interface
  • the user who needs to use the terminal knows the MTU value of the current carrier gateway. For the average user, it is impossible to confirm how much the gateway MTU value of the current network needs to be set to achieve the desired effect. Therefore, this function does not have much use value for ordinary users, and it cannot achieve the purpose of improving the user experience.
  • An object of the embodiments of the present invention is to provide a method for configuring an MTU value and a corresponding device to overcome the defect that the user needs to manually configure the MTU value.
  • the embodiment of the present invention provides a method for automatically configuring a maximum transmission unit value on a terminal side, including:
  • the terminal After detecting the connection with the USB data card, the terminal sends a request for acquiring the MTU value to the USB data card; After receiving the request, the USB data card sends the pre-configured MTU value to the terminal; after receiving the MTU value, the terminal writes the MTU value to the local registry.
  • the MTU value includes the MTU value of the network card device and/or the MTU value of the modem.
  • the pre-configured MTU value in the USB data card is that the USB data card is preset in the USB data card before being shipped from the factory.
  • an embodiment of the present invention provides a terminal, which is connected to a USB data card and accesses the Internet through the USB data card, and includes: an MTU automatic configuration module and an MTU request response module; and the MTU request response module is set to During the enumeration of the USB data card, the request for acquiring the MTU value is sent to the USB data card; and the MTU value sent to the USB data card side is sent to the MTU automatic configuration module;
  • the MTU auto-configuration module is configured to write the MTU value obtained from the MTU request response module to the user's registry.
  • the MTU value includes the MTU value of the network card device and/or the MTU value of the modem.
  • the embodiment of the present invention further provides a universal serial bus data card, and the terminal is connected to the Internet after establishing a connection with the terminal, including:
  • An MTU configuration module configured to store a pre-configured MTU value
  • An MTU response module configured to send the MTU value saved in the MTU configuration module to the terminal after receiving the request for obtaining the MTU value sent by the terminal connected to the USB data card;
  • the MTU value includes the MTU value of the network card device and/or the MTU value of the modem.
  • the MTU value includes the MTU value of the network card device and/or the MTU value of the modem.
  • the MTU configuration module is further configured to provide an interface for the user to configure the MTU value.
  • the PC automatically acquires the MTU value from the USB data card, and automatically configures the value into the user's registry, thereby achieving the specific network.
  • the optimal data throughput rate during access can greatly improve the efficiency of USB data card usage for ordinary end users.
  • FIG. 1(a) is a schematic structural diagram of a terminal in an embodiment of the present invention.
  • FIG. 1 (b) is a schematic structural diagram of a USB data card in an embodiment of the present invention.
  • FIG. 2 is a flowchart of a method for automatically configuring an MTU value on a terminal side according to an embodiment of the present invention.
  • a method for automatically configuring an MTU value on a terminal side after the terminal is connected to a USB data card, can access the Internet through the data card, and the method includes:
  • Step 10 After detecting the connection with the USB data card, the terminal sends a request for obtaining the MTU value to the USB data card;
  • Step 20 After receiving the foregoing request, the USB data card sends the pre-configured MTU value to the terminal.
  • the MTU value may be an optimal MTU set by the vendor for the vendor gateway before the USB data card is shipped from the factory.
  • the user can also modify the pre-configured value through the reserved operation interface; in addition, the MTU value may include: the MTU value of the modem and/or the MTU value of the network card device;
  • Step 30 After receiving the MTU value, the terminal may write the obtained MTU value to the registry of the terminal. After that, after the link is established, a good data throughput rate can be achieved.
  • the above method is implemented by automatically installing the MTU value obtained from the USB data card into the user's registry during the enumeration of the USB device by the vendor driver pre-installed on the user terminal.
  • the above method can be applied to a system including a USB data card and a terminal, as shown in FIG. 1( a ), the terminal side includes:
  • the MTU automatic configuration module 101 is configured to write the MTU value obtained from the MTU request response module 102 to the user's registry, so as to achieve an optimal data throughput rate when the user dials the Internet.
  • the MTU request response module 102 is configured to send a request for acquiring an MTU value to the USB data card during the enumeration of the USB data card, and parse the message after receiving the response message sent by the USB data card side. Processing, the parsed MTU value is sent to the MTU automatic configuration module 101.
  • the USB data card side includes:
  • the MTU response module 103 is configured to send the MTU configured in the MTU configuration module 104 to the terminal after receiving the request for acquiring the MTU value sent by the terminal connected thereto;
  • the MTU configuration module 104 is configured to store an optimal MTU value for a specific carrier pre-configured by the USB data card at the factory; and an interface may be provided for the user to configure the MTU value.
  • USB data card and terminal may also need to include other working modules in the normal working state, but this is not explicitly indicated in this embodiment.
  • the method of automatically configuring the MTU value on the terminal side includes:
  • This USB data card is a device that contains the 103, 104 function modules in Figure 1 (b).
  • the terminal is a personal computer pre-installed with a vendor driver (including 101, 102 function modules), or other devices supporting the USB host controller (including 101, 102 function modules), such as a handheld computer.
  • the operating system running on the host is windows. In fact, other operating systems such as win7, windows vista, etc. can be used, and are not limited in this example; 202:
  • the terminal sends a request for obtaining an MTU value to the USB data card.
  • the USB data card After receiving the request for acquiring the MTU value sent by the terminal, the USB data card returns a correct response message including the MTU value to the terminal side.
  • the terminal side After receiving the response message fed back by the terminal side, the terminal side parses the MTU value (including the MTU value of the network card and the modem), and writes the value into the registry of the terminal.
  • the PC automatically acquires the MTU value from the USB data card, and automatically configures the value into the user's registry, thereby achieving the specific network.
  • the optimal data throughput rate during access can greatly improve the efficiency of USB data card usage for ordinary end users.

Abstract

提供一种配置MTU值的方法、终端及通用串行总线(USB)数据卡。该方法包括以下步骤:在检测到与USB数据卡建立连接(201)后,该终端向该USB数据卡下发获取MTU值的请求(202);该USB数据卡收到该请求后,将该MTU值写到本地注册表中(204)。采用该方法后,当USB数据卡接入计算机后,计算机会自动从USB数据卡获取到MTU值,并且自动将该值配置到用户的注册表中,从而达到在特定网络下接入时数据吞吐率最优的效果。

Description

—种配置最大传输单元 (MTU)値的方法、 终端及 USB数据卡
技术领域
本发明属于嵌入式开发领域及通信领域 , 涉及一种配置 MTU ( Maximum Transmission Unit, 最大传输单元)值的方法及相应装置。
背景技术
随着 3G ( 3rd-generation, 第三代移动通信技术)、 4G (第四代移动通信 技术) 网络的普及, USB ( Universal Serial BUS, 通用串行总线)数据卡产品 越来越多。 但是, 由于不同运营商的网关的 MTU值设置的不一致, 从而导 致用户在使用数据卡产品时无法达到理想的吞吐率。 因此, 如何让数据卡自 动的去配置自己当前接入的 PC上的 MTU值便成为一个亟需解决的问题。
目前已有的通过数据卡配置 MTU值的方法是: 在 UI ( User Interface , 用 户界面)上提供可配置界面, 用户通过在该配置界面中输入具体的 MTU值, 最终将该 MTU值写入 PC的后台文件中, 并且使用该 MTU值进行拨号链接 的动作。
使用此方法, 需要使用该终端的用户知道当前的运营商网关的 MTU值。 而对于一般用户而言, 是无法确认当前网络的网关 MTU值需要设置多少才 可以达到理想的效果。 因此, 该功能对普通用户来说没有多大的使用价值, 而且不能达到改善用户体验的目的。
发明内容
本发明实施例的目的是提供一种配置 MTU值的方法及相应装置, 以克 服现有需要用户手工配置 MTU值的缺陷。
为解决上述问题, 本发明实施例提供了一种在终端侧自动配置最大传输 单元值的方法, 包括:
在检测到与 USB数据卡建立连接后, 所述终端向所述 USB数据卡下发 获取 MTU值的请求; 所述 USB数据卡收到所述请求后,将预配置的 MTU值发送给所述终端; 所述终端在接收到所述 MTU值后, 将所述 MTU值写到本地注册表中。 可选地 ,
所述 MTU值包括网卡设备的 MTU值和 /或调制解调器的 MTU值。
可选地 ,
所述 USB数据卡中预配置的 MTU值是所述 USB数据卡出厂前预设置在 所述 USB数据卡中的。
相应地, 本发明实施例提供了一种终端, 与 USB数据卡连接后通过所述 USB数据卡接入互联网, 包括: MTU自动配置模块与 MTU请求响应模块; 所述 MTU请求响应模块设置为在所述 USB数据卡枚举的过程中, 向所 述 USB数据卡下发获取 MTU值的请求;以及在收到所述 USB数据卡侧发来 MTU值发送到所述 MTU自动配置模块;
所述 MTU 自动配置模块设置为将从所述 MTU请求响应模块获取到的 MTU值写到用户的注册表中。
可选地 ,
所述 MTU值包括网卡设备的 MTU值和 /或调制解调器的 MTU值。
相应地, 本发明实施例还提供了一种通用串行总线数据卡, 与终端建立 连接后将所述终端接入互联网, 包括:
MTU配置模块, 其设置为存储预配置的 MTU值; 以及
MTU响应模块, 其设置为在接收到与 USB数据卡连接的终端下发的获 取 MTU值的请求后, 将所述 MTU配置模块中保存的 MTU值发送给所述终 端;
可选地,
所述 MTU值包括网卡设备的 MTU值和 /或调制解调器的 MTU值。 可选地 ,
所述 MTU配置模块还设置为提供界面供用户配置所述 MTU值。
釆用本发明实施例的方案后, 当 USB数据卡接入计算机后, PC会自动 从 USB数据卡获取到 MTU值, 并且自动将该值配置到用户的注册表中, 从 而达到在特定网络下接入时数据吞吐率最优的效果, 对于普通的终端用户而 言, 可以大大提高 USB数据卡的使用效率。 附图概述
图 1 ( a )为本发明实施例中终端的结构示意图;
图 1 ( b )为本发明实施例中 USB数据卡的结构示意图;
图 2为本发明实施例中在终端侧自动配置 MTU值的方法流程图。
本发明的较佳实施方式
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是, 在 不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互任意组合。
在本实施例中,一种在终端侧自动配置 MTU值的方法,该终端在与 USB 数据卡连接后, 可通过该数据卡接入互联网, 该方法包括:
步骤 10、 在检测到与 USB数据卡建立连接后, 终端向该 USB数据卡下 发获取 MTU值的请求;
步骤 20、 USB数据卡收到上述请求后, 将预配置的 MTU值发送给上述 终端; 其中, 该 MTU值可以是厂商在该 USB数据卡出厂前, 针对销售地运 营商网关设置的最优 MTU值, 用户也可以通过预留的操作界面在后续对预 配置的该值进行修改; 此外, 该 MTU值可包括: 调制解调器的 MTU值和 / 或网卡设备的 MTU值;
步骤 30、终端在接收到上述 MTU值后,就可以将获取到的 MTU值写到 终端的注册表中。 此后在链路建立好之后, 可以达到一个好的数据吞吐率。 综上所述,上述方法通过预先安装在用户终端上的厂商驱动在 USB设备 枚举的过程中, 自动将从 USB数据卡中获取到的 MTU值配置到用户的注册 表中来实现。
相应地,上述方法可应用在包含 USB数据卡及终端的系统中,如图 1 ( a ) 所示, 终端侧包括:
MTU自动配置模块 101 ,用于将从 MTU请求响应模块 102获取到的 MTU 值写到用户的注册表中, 从而在用户拨号上网的时候, 达到最优的数据吞吐 率。
MTU请求响应模块 102, 用于在 USB数据卡枚举的过程中, 向 USB数 据卡下发获取 MTU值的请求,并且在收到 USB数据卡侧发来的响应消息后, 对该消息进行解析处理,将解析出的 MTU值发送到 MTU自动配置模块 101。
如图 1 ( b )所示, USB数据卡侧包括:
MTU响应模块 103 , 用于在接收到与其连接的终端下发的获取 MTU值 的请求后, 将 MTU配置模块 104中配置的 MTU发送给上述终端;
MTU配置模块 104,用于存储 USB数据卡在出厂前预先配置的针对特定 运营商的最优 MTU值; 还可以提供界面供用户配置所述 MTU值。
一般情况下,上述 USB数据卡及终端中可能还需要包括正常工作状态下 的其他工作模块, 但本实施例中未明确标示。
下面参照图 2,对本发明实施例利用终端驱动及 USB数据卡配套起作用, 从而达到自动修改用户 MTU值的步骤进行详细说明。
如图 2所示, 在终端侧自动配置 MTU值的方法, 包括:
201 : 将 USB数据卡接入需要工作的终端中;
此 USB数据卡, 是包含了图 1 ( b ) 中 103、 104功能模块的设备。 终端 是预先安装了厂商驱动(包含了 101、 102功能模块)的个人计算机, 也可以 是其它支持 USB主控制器的其它设备(包含了 101、 102功能模块) , 例如 掌上电脑等。 在本示例中, 主机上运行的操作系统是 windows。 实际上, 其 它操作系统如 win7、 windows vista等操作系统均可, 在本示例中不做限定; 202: 终端侧向 USB数据卡下发获取 MTU值的请求;
203: USB数据卡在接收到终端发来的获取 MTU值的请求后, 向终端侧 回复正确的包含了 MTU值的响应消息;
204:终端侧在收到终端侧反馈的响应消息后,从中解析出 MTU值后(包 括网卡和调制解调器的 MTU值) , 将该值写入终端的注册表中。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成, 所述程序可以存储于计算机可读存储介质中, 如只读 存储器、 磁盘或光盘等。 可选地, 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地, 上述实施例中的各模块 /单元可以釆用 硬件的形式实现, 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
以上所述仅为本发明的优选实施例而已, 并非用于限定本发明的保护范 围。 根据本发明的发明内容, 还可有其他多种实施例, 在不背离本发明精神 改变和变形, 凡在本发明的精神和原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。
工业实用性
釆用本发明实施例的方案后, 当 USB数据卡接入计算机后, PC会自动 从 USB数据卡获取到 MTU值, 并且自动将该值配置到用户的注册表中, 从 而达到在特定网络下接入时数据吞吐率最优的效果, 对于普通的终端用户而 言, 可以大大提高 USB数据卡的使用效率。

Claims

权 利 要 求 书
1、 一种配置最大传输单元(MTU )值的方法, 其包括:
在检测到与通用串行总线 (USB )数据卡建立连接后, 所述终端向所述 USB数据卡下发获取 MTU值的请求;
所述 USB数据卡收到所述请求后,将预配置的 MTU值发送给所述终端; 以及
所述终端在接收到所述 MTU值后, 将所述 MTU值写到本地注册表中。
2、 如权利要求 1所述的方法, 其中:
所述 MTU值包括网卡设备的 MTU值和 /或调制解调器的 MTU值。
3、 如权利要求 1或 2所述的方法, 其中:
所述 USB数据卡中预配置的 MTU值是所述 USB数据卡出厂前预设置在 所述 USB数据卡中的。
4、 一种终端, 与通用串行总线(USB )数据卡连接后通过所述 USB数 据卡接入互联网, 所述终端包括: 最大传输单元 (MTU ) 自动配置模块与 MTU请求响应模块, 其中:
所述 MTU请求响应模块设置为: 在所述 USB数据卡枚举的过程中, 向 所述 USB数据卡下发获取 MTU值的请求;以及在收到所述 USB数据卡侧发 来 MTU值发送到所述 MTU自动配置模块;
所述 MTU自动配置模块设置为:将从所述 MTU请求响应模块获取到的 MTU值写到用户的注册表中。
5、 如权利要求 4所述的终端, 其中:
所述 MTU值包括网卡设备的 MTU值和 /或调制解调器的 MTU值。
6、 一种通用串行总线(USB )数据卡, 与终端建立连接后将所述终端接 入互联网, 所述 USB数据卡包括:
最大传输单元(MTU ) 配置模块, 其设置为: 存储预配置的 MTU值; 以及
MTU响应模块, 其设置为: 在接收到与所述 USB数据卡连接的终端下 发的获取 MTU值的请求后, 将所述 MTU配置模块中保存的 MTU值发送给 所述终端。
7、 如权利要求 6所述的通用串行总线数据卡, 其中:
所述 MTU值包括网卡设备的 MTU值和 /或调制解调器的 MTU值。
8、 如权利要求 6或 7所述的通用串行总线数据卡, 其中:
所述 MTU配置模块还设置为提供界面供用户配置所述 MTU值。
PCT/CN2012/076704 2012-05-11 2012-06-11 一种配置最大传输单元(mtu)值的方法、终端及usb数据卡 WO2013166758A1 (zh)

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