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    • 1. 发明申请
    • MOBILE NODE AND METHOD FOR MAINTAINING SESSION USING LOGICAL INTERFACE
    • 使用逻辑界面维护会话的移动节点和方法
    • US20120143939A1
    • 2012-06-07
    • US13309197
    • 2011-12-01
    • Hyun-Joo KANGYoon-Young ANBoo-Geum JUNGByung-Jun AHN
    • Hyun-Joo KANGYoon-Young ANBoo-Geum JUNGByung-Jun AHN
    • G06F15/16H04W8/00
    • H04W8/26
    • A mobile node and method suitable to allocate a single Internet protocol (IP) address to a physically independent interface and to provide a logical interface that connects between an application layer and the physical interface are provided. The mobile node includes an upper layer processing unit configured to perform a packet service; a physical interface unit configured to comprise multiple physical interfaces for access to multiple wireless networks; and a logical interface unit configured to allocate a single home IP address to the multiple physical interfaces and enable the upper layer processing unit to process a packet using the single home IP address, and to process packets belonging to the same session to be transmitted and received through the same physical interface from among the multiple physical interfaces.
    • 提供了适合于将物理上独立的接口分配单个因特网协议(IP)地址并提供在应用层与物理接口之间连接的逻辑接口的移动节点和方法。 移动节点包括配置成执行分组业务的上层处理单元; 物理接口单元,被配置为包括用于接入多个无线网络的多个物理接口; 以及逻辑接口单元,被配置为向所述多个物理接口分配单个归属IP地址,并且使所述上层处理单元能够使用所述单个归属IP地址来处理分组,并且处理属于将要发送和接收的相同会话的分组 通过与多个物理接口相同的物理接口。
    • 2. 发明申请
    • METHOD OF SETTING L3 HANDOVER PATH GUARANTEEING FLOW-BASED QoS IN MOBILE IPv6 NETWORK
    • 在移动IPv6网络中设置L3切换路径保证流量QoS的方法
    • US20080137615A1
    • 2008-06-12
    • US11952782
    • 2007-12-07
    • Chang Min PARKSung Hei KIMYoon Young ANTae Il KIMHae Won JUNG
    • Chang Min PARKSung Hei KIMYoon Young ANTae Il KIMHae Won JUNG
    • H04Q7/00
    • H04W36/26H04L45/302H04L47/767H04L47/805H04L47/824H04W28/24H04W36/0011H04W80/04
    • Provided is a method of setting a layer 3 (L3) handover path in a mobile IPv6 (Internet Protocol Version 6) network while guaranteeing a flow-based QoS (Quality of Service). The method includes receiving verification of QoS-related information and flow information of a mobile terminal in a home network from a network management system, constructing a flow list storing the verified flow information in the mobile terminal, and constructing a flow cache storing the verified flow information in an access router in the home network; transmitting the flow information by using a hop-by-hop extension header of a packet that is to be transmitted in order to allow a plurality of routers in a path between the mobile terminal and a correspondent terminal to sequentially construct a flow cache; if the mobile terminal moves to a target network, reconstructing the flow list of the mobile terminal and the flow cache in the access router in the target network, between the mobile terminal and an access router of the target network; adding the hop-by-hop extension header to a binding update message in order to allow a plurality of routers in a path between the mobile terminal which has moved to the target network and the access router in the home network to sequentially construct the flow cache; and adding the hop-by-hop extension header to a binding update message in order to allow a plurality of routers in a path for establishing direct communication between the mobile terminal and the correspondent terminal to sequentially construct the flow cache.
    • 提供了一种在确保基于流的QoS(服务质量)的同时,在移动IPv6(因特网协议版本6)网络中设置层3(L3)切换路径的方法。 该方法包括从网络管理系统接收家庭网络中移动终端的QoS相关信息和流信息的验证,构建在移动终端中存储已验证流量信息的流程列表,以及构建存储已验证流量的流缓存 家庭网络中的接入路由器中的信息; 通过使用要发送的分组的逐跳扩展头部来传送流信息,以允许移动终端和对端终端之间的路径中的多个路由器顺序地构建流缓存; 如果移动终端移动到目标网络,则在目标网络中的移动终端和目标网络的接入路由器之间重建移动终端的流列表和目标网络中的接入路由器中的流缓存; 将逐跳扩展报头添加到绑定更新消息中,以便允许移动到目标网络的移动终端之间的路径中的多个路由器与归属网络中的接入路由器顺序地构建流高速缓存 ; 以及将逐跳扩展报头添加到绑定更新消息中,以允许路径中的多个路由器建立移动终端和通信终端之间的直接通信,以顺序构建流缓存。
    • 5. 发明申请
    • Method for FMIPv6 Handover in UMTS Network and Apparatus for the Method
    • UMTS网络中的FMIPv6切换方法及其方法
    • US20100157942A1
    • 2010-06-24
    • US12614148
    • 2009-11-06
    • Yoon Young ANBoo Geum Jung
    • Yoon Young ANBoo Geum Jung
    • H04W36/00
    • H04W36/0077H04W36/24H04W76/12H04W80/045
    • The present invention is related to FMIPv6 handover method and apparatus for the method in UMTS network. The present invention comprises obtaining lower layer information about a target RNS from a current RNS; obtaining upper layer information about a target core network from a current core network; establishing a tunnel between a current core network and a target core network by using the lower layer information and allocating a target RNS; and after allocation of a target RNS, transmitting a message notifying a target core network of connection to the target RNS and receiving packet data from the target core network. The present invention supports efficient handover in UMTS network by using MIH service and reduces handover delay
    • 本发明涉及用于UMTS网络中的方法的FMIPv6切换方法和装置。 本发明包括从当前RNS获取关于目标RNS的下层信息; 从当前核心网获取关于目标核心网的上层信息; 通过使用较低层信息建立当前核心网与目标核心网之间的隧道,并分配目标RNS; 并且在分配目标RNS之后,向目标核心网发送通知目标核心网连接到目标RNS并接收分组数据的消息。 本发明通过使用MIH服务来支持UMTS网络中的有效切换,并且减少了切换延迟
    • 6. 发明申请
    • METHOD FOR FORWARDING PACKET IN MPLS L3VPN
    • 在MPLS L3VPN中转发分组的方法
    • US20100158010A1
    • 2010-06-24
    • US12626148
    • 2009-11-25
    • Hyun Joo KANGYoon Young ANBoo Geum Jung
    • Hyun Joo KANGYoon Young ANBoo Geum Jung
    • H04L12/56
    • H04L45/00H04L45/50H04L45/7457
    • The present invention relates to a method for forwarding a packet which is to provide a VPN service using an IPv4 address in an MPLS network. The method for forwarding the packet according to the present invention extracts routing information including a VRF identifier from a packet, when the packet is received at one or more CE routers in the MPLS network, searches for next hop information in a forwarding table by using the VRF identifier and a prefix, substitutes the searched next hop information by destination information of the received packet, and transmits the packet to an output port. According to the present invention, since the plurality of forwarding tables for providing the VPN are provided without extending a memory, the packet forwarding can be stably performed.
    • 本发明涉及一种在MPLS网络中使用IPv4地址提供VPN业务的转发分组的方法。 根据本发明的转发分组的方法,当在MPLS网络中的一个或多个CE路由器处接收分组时,从分组中提取包括VRF标识符的路由信息​​,通过使用转发表中的下一跳信息来搜索转发表中的下一跳信息 VRF标识符和前缀,将搜索到的下一跳信息替换为接收到的分组的目的地信息,并将该分组发送到输出端口。 根据本发明,由于在不扩展存储器的情况下提供用于提供VPN的多个转发表,所以可以稳定地执行分组转发。
    • 7. 发明申请
    • Route optimization method for network mobile service in IPv6 networks
    • IPv6网络中网络移动业务的路由优化方法
    • US20060133337A1
    • 2006-06-22
    • US11209861
    • 2005-08-24
    • Yoon Young AnWoo Seop RheeYou Ze Cho
    • Yoon Young AnWoo Seop RheeYou Ze Cho
    • H04Q7/24H04L12/28
    • H04W8/082H04W40/00H04W80/04H04W84/005
    • A route optimization method for a mobile network service in IPv6 is disclosed. The route optimization method includes a) generating a binding update (BA) message at a home agent by using an address of a correspondent node and data information included in a home agent binding cache and transmitting the BA update message to the correspondent node when a mobile router performs a handover; b) extracting information from the binding update message and performing a binding operation by adding an entry to a correspondent node binding cache; c) transmitting a routing expanding header to a mobile router by using the binding information; d) processing the routing expanding header at the mobile router and transmitting the data packet to the mobile node; and e) directly transmitting a data packet to the mobile node through the mobile router. Therefore, network source is efficiently used and a communication performance is improved.
    • 公开了一种IPv6中移动网络业务的路由优化方法。 路由优化方法包括:a)通过使用对端节点的地址和归属代理绑定高速缓存中包含的数据信息,在归属代理处生成绑定更新(BA)消息,并且当移动站 路由器执行切换; b)从所述绑定更新消息中提取信息,并通过向对方节点绑定高速缓存添加条目来执行绑定操作; c)通过使用绑定信息向移动路由器发送路由扩展报头; d)处理移动路由器处的路由扩展头部,并将该数据包发送到移动节点; 以及e)通过所述移动路由器将数据分组直接发送到所述移动节点。 因此,有效利用网络源,提高通信性能。