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    • 1. 发明授权
    • Handover method and apparatus employed by mobile node to reduce latency in internet protocol configuration
    • 移动节点使用的切换方法和设备来减少网络协议配置中的延迟
    • US08493929B2
    • 2013-07-23
    • US12104688
    • 2008-04-17
    • Soo-hong Park
    • Soo-hong Park
    • H04W4/00
    • H04W36/0016H04L61/20H04L61/2015H04W8/20H04W36/005H04W80/04
    • A method and apparatus perform a handover of a mobile node with a decreased latency that occurs when the mobile node performs an Internet protocol (IP) configuration. The method of performing a handover of a mobile node includes: when the mobile node is connected to a network before the handover is performed, receiving first information on an IP configuration method to be used in a new network after the handover is performed from an information server (IS); when the mobile node is connected to the new network, receiving second information on the IP configuration method of the new network from a point of attachment (PoA) of the new network; determining whether the first information and the second information are identical; and, if it is determined that the first and second information are identical, performing an IP configuration according to the first information.
    • 一种方法和装置以当移动节点执行因特网协议(IP)配置时发生的减小的等待时间来执行移动节点的切换。 执行移动节点的切换的方法包括:当移动节点在切换执行之前连接到网络时,从信息执行切换之后,接收关于在新网络中使用的IP配置方法的第一信息 服务器(IS); 当移动节点连接到新网络时,从新网络的附着点(PoA)接收关于新网络的IP配置方法的第二信息; 确定所述第一信息和所述第二信息是否相同; 并且如果确定第一和第二信息相同,则根据第一信息执行IP配置。
    • 2. 发明授权
    • Method and system for establishing bidirectional tunnel
    • 建立双向隧道的方法和系统
    • US08130671B2
    • 2012-03-06
    • US11259275
    • 2005-10-27
    • Soo-hong ParkMin-ho Lee
    • Soo-hong ParkMin-ho Lee
    • H04L12/28
    • H04L29/12358H04L29/06H04L29/12443H04L41/12H04L61/2015H04L61/251H04L61/2542H04L69/16H04L69/167
    • A method and system establish a bi-directional tunnel through direct communication between a tunnel end point (TEP) and a user node without user assistance. The method includes: operating the user node in order to establish the bi-directional tunnel, wherein operating the user node includes: requesting network information necessary for establishing the bi-directional tunnel to the DHCP server; when the user node receives the network information from the DHCP server, establishing a unidirectional tunnel from the user node to the TEP based on the received network information; requesting one of the TEPs to establish the unidirectional tunnel; and when the user node receives a router advertisement (RA) message of a second network with which the user node wishes to communicate from the TEP required to establish the unidirectional tunnel, establishing an address of the user node in the second network.
    • 方法和系统通过隧道终点(TEP)和用户节点之间的直接通信建立双向隧道,而无需用户帮助。 该方法包括:操作用户节点以建立双向隧道,其中操作用户节点包括:请求建立到DHCP服务器的双向隧道所需的网络信息; 当所述用户节点从所述DHCP服务器接收到所述网络信息时,基于所接收的网络信息,建立从所述用户节点到所述TEP的单向隧道; 请求其中一个TEP建立单向隧道; 并且当用户节点从建立单向隧道所需的TEP接收到用户节点希望通信的第二网络的路由器通告(RA)消息时,建立第二网络中用户节点的地址。
    • 7. 发明申请
    • Fast handover method, apparatus, and medium
    • 快速切换方法,装置和介质
    • US20080192691A1
    • 2008-08-14
    • US11790273
    • 2007-04-24
    • Soo-hong ParkYong-lun Lim
    • Soo-hong ParkYong-lun Lim
    • H04Q7/00
    • G01D5/34723G01D5/363G01P3/486
    • A fast handover apparatus, method, and medium for performing a fast handover in a wireless LAN environment. The fast handover method includes (a) determining whether a beacon signal input from an access point (AP) to a mobile node (MN) contains border information indicating that the AP is located at the border of its subnet, the AP connecting the MN to a wired network; and (b) selectively performing a handover between subnets based on the determination results obtained in (a). Accordingly, unnecessary communications between an MN and an AR are prevented by providing predetermined information, based on which the MN can determine whether to perform only an L2 handover or both the L2 handover and an L3 handover.
    • 一种用于在无线LAN环境中执行快速切换的快速切换设备,方法和介质。 快速切换方法包括(a)确定从接入点(AP)到移动节点(MN)输入的信标信号是否包含指示AP位于其子网边界的边界信息,将MN连接到 有线网络 和(b)基于(a)中获得的确定结果选择性地执行子网之间的切换。 因此,通过提供预定的信息来防止MN和AR之间的不必要的通信,MN根据该信息可以确定是仅执行L 2切换还是仅执行L 2切换和L 3切换。
    • 8. 发明申请
    • NETWORK DEVICES HAVING HANDOVER INFORMATION AND METHOD OF EXCHANGING HANDOVER INFORMATION BETWEEN THE DEVICES
    • 具有切换信息的网络设备和交换设备之间的切换信息的方法
    • US20080165739A1
    • 2008-07-10
    • US11968282
    • 2008-01-02
    • SOO-HONG PARK
    • SOO-HONG PARK
    • H04Q7/20
    • H04W36/005H04W36/0055H04W36/0066H04W36/26
    • An apparatus and method of providing, and an apparatus and method of requesting, current handover information between network devices, the method of providing the current handover information for a handover of a mobile terminal between networks including: detecting handover information regarding an environment of a network of a handover information providing apparatus if the environment of the network changes, and transmitting a message including the handover information regarding the changed environment from the handover information providing apparatus to a handover information storage apparatus. Accordingly, since the handover information storage apparatus maintains the current handover information and provides the current handover information to the mobile terminal, the mobile terminal performs the most correct determination when performing a handover. Furthermore, since the current state of the handover information providing apparatus is detected, the handover information storage apparatus provides additional information needed for the mobile terminal to effectively perform handover.
    • 一种提供在网络设备之间请求当前切换信息的装置和方法,提供当前切换信息用于移动终端在网络之间切换的方法,包括:检测关于网络环境的切换信息 如果网络的环境改变,并且将包括关于改变的环境的切换信息的消息从切换信息提供装置发送到切换信息存储装置,则切换信息提供装置。 因此,由于切换信息存储装置保持当前的切换信息,并且向移动终端提供当前切换信息,所以在进行切换时,移动终端进行最正确的判定。 此外,由于切换信息提供装置的当前状态被检测到,切换信息存储装置提供移动终端所需的附加信息以有效地进行切换。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR MANAGING INFORMATION FOR MOBILE NETWORK SERVICE
    • 管理移动网络服务信息的方法和装置
    • US20080126527A1
    • 2008-05-29
    • US11773060
    • 2007-07-03
    • Soo-hong PARKHan-sung KimCheol-ju Hwang
    • Soo-hong PARKHan-sung KimCheol-ju Hwang
    • G06F15/16
    • H04W36/0033H04W8/18
    • An apparatus for managing information about a mobile network service in a server that manages a network providing the mobile network service, including an information change identification unit which identifies a change in the information about the mobile network service, an information transmission unit that transmits a message including the changed information to an information server, and a positive acknowledgement message receiving unit that receives from the information server a positive acknowledgement message that represents acceptance of the changed information. When information about the network service is changed, a message including the changed information is transmitted to the information server, and the message is re-transmitted to the information server a predetermined number of times until the information server transmits an ACK response that indicates acceptance of the changed information.
    • 一种在管理提供移动网络服务的网络的服务器中管理关于移动网络服务的信息的装置,包括识别关于移动网络服务的信息的变化的信息变化识别单元,发送消息的信息发送单元 包括向信息服务器的改变的信息,以及肯定确认消息接收单元,其从所述信息服务器接收表示接受所述改变的信息的肯定确认消息。 当关于网络服务的信息被改变时,包括改变的信息的消息被发送到信息服务器,并且消息被重新发送到信息服务器预定次数,直到信息服务器发送指示接受 更改的信息。