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    • 132. 发明申请
    • A METHOD FOR DATA TRANSMISSION IN A COMMUNICATION NETWORK FOR MULTIHOMING
    • 一种用于多媒体通信网络中的数据传输的方法
    • WO2009062794A1
    • 2009-05-22
    • PCT/EP2008/063502
    • 2008-10-09
    • SIEMENS AKTIENGESELLSCHAFTGÖRG, CarmelitaPANGBOONYANON, VarapornPITTMANN, FrankUDUGAMA, Asanga
    • GÖRG, CarmelitaPANGBOONYANON, VarapornPITTMANN, FrankUDUGAMA, Asanga
    • H04L29/06H04W88/06H04W28/08H04W80/04
    • H04W60/005H04W80/04H04W88/182
    • The invention relates to a method for data transmission in a communication network, in which a user device (MN) being assigned to a home network (HN) has a home address (HoA) stored in a home agent (HA) in the home network (HN), wherein: - when the user device (MN) attaches in parallel to the home network (HN) and a foreign network (FN1, FN2), a first care of address (CoA0) associated with the home network and a second care of address (CoA1) associated with the foreign network (FN1, FN2) are assigned to the user device (MN), said first and second care of addresses (CoA0, CoA1) being stored in the home agent (HA); - in the presence of first data destined to the home ad- dress of the user device (MN) and to be transmitted via the home network (HN), the first data is captured by the home agent (HA) and tunnelled via a first tunnel (T0) to the first care of address (CoA0); - in the presence of second data destined to the home address (HA) of the user device (MN) and to be transmitted via the foreign network (FN1, FN2), the second data is captured by the home agent (HA) and tunnelled via a second tunnel (T1) to the second care of address (CoA1).
    • 本发明涉及一种在通信网络中进行数据传输的方法,其中分配给归属网络(HN)的用户设备(MN)具有存储在家庭网络中的归属代理(HA)中的归属地址(HoA) (HN),其中: - 当所述用户设备(MN)并行连接到所述归属网络(HN)和外部网络(FN1,FN2)时,与所述归属网络相关联的第一转交地址(CoA0)和第二归属网络 将与外部网络(FN1,FN2)相关联的地址(CoA1)分配给用户设备(MN),所述第一和第二转交地址(CoA0,CoA1)被存储在归属代理(HA)中; - 在存在目的地是用户设备(MN)的家庭地址并且经由归属网络(HN))发送的第一数据的情况下,第一数据由归属代理(HA)捕获并且经由第一 隧道(T0)到第一个地址(CoA0); - 在存在目的地是用户设备(MN)的归属地址(HA)并且经由外部网络(FN1,FN2))发送的第二数据的情况下,第二数据由归属代理(HA)捕获并被隧道化 经由第二隧道(T1)到第二转交地址(CoA1)。
    • 134. 发明申请
    • ROUTE OPTIMIZATION CONTINUITY AT HANDOVER FROM NETWORK-BASED TO HOST-BASED MOBILITY
    • 基于HOST的移动网络的路由优化连续性
    • WO2009059727A1
    • 2009-05-14
    • PCT/EP2008/009228
    • 2008-10-31
    • PANASONIC CORPORATIONVELEV, GenadiWENIGER, Kilian
    • VELEV, GenadiWENIGER, Kilian
    • H04L29/06
    • H04W8/082H04W36/0011H04W36/0016H04W80/04H04W88/182
    • To achieve this object the current invention provides a method, a mobile node, a mobile access gateway, a home agent and a communication system for handover of a mobile node between access networks either supporting network based mobility or not supporting network based mobility, in a packet switched communication network comprising at least the mobile, mobile access gateway, a correspondent node and a home agent. The method comprises the steps of performing proxy route optimization towards the correspondent node on behalf of the mobile node, performing handover from a current access network to a target access network, and determining whether the proxy route optimization is needed after the handover. If the proxy route optimization is needed after the handover, it is determined whether return routability based route optimization or home based route optimization are to be carried out, and if return routability based route optimization is to be carried out information regarding the proxy route optimization is sent to the mobile node by the home agent. If home agent based route optimization is to be carried out the method further comprises the following steps of generating and managing a route optimization state in a mobile node by the mobile node's home agent, and updating the correspondent nodes routing state with the mobile node's new location.
    • 为了实现该目的,本发明提供了一种方法,移动节点,移动接入网关,归属代理和用于在支持基于网络的移动性或不支持基于网络的移动性的接入网络之间切换移动节点的通信系统, 分组交换通信网络至少包括移动,移动接入网关,对端节点和归属代理。 该方法包括以下步骤:代表移动节点向代理节点执行代理路由优化,执行从当前接入网到目标接入网的切换,以及确定在切换后是否需要代理路由优化。 如果在切换后需要代理路由优化,则确定是否执行返回路由优化路由优化还是基于归属路由优化,如果要执行返回路由优化路由优化,则关于代理路由优化的信息是 由归属代理发送到移动节点。 如果要执行基于家庭代理的路由优化,该方法还包括以下步骤:由移动节点的归属代理生成和管理移动节点中的路由优化状态,并且用移动节点的新位置更新对应节点路由状态 。
    • 138. 发明申请
    • OPTIMISATION METHOD AND DEVICE IN COMMUNICATIONS NETWORKS
    • 通信网络优化方法与设备
    • WO2009056675A1
    • 2009-05-07
    • PCT/FI2008/050604
    • 2008-10-28
    • TELIASONERA ABKORHONEN, JouniJALKANEN, Tero
    • KORHONEN, JouniJALKANEN, Tero
    • H04W8/04H04W40/00
    • H04W8/10H04W80/04H04W80/10
    • The invention relates to a method for optimising routing to a first user equipment (T1, T2) roaming in a visited net- work (OP B, OP C) in a communications system compris- ing at least a home network (OP A), a visited network (OP B, OP C) and a relaying network (IPX, IPX1, IPX2, IPX3, IPX4). The method of the invention comprises storing (2- 4, 3-2, 3-4, 3-6) a location information of a first user equip- ment (T1, T2) to a database (DB) external to the home network (OP A) and the visited network (OP B, OP C), the location information being associated with an identification information of the first user equipment (T1, T2); receiving (2-6, 3-10) a message from a second user equipment (T1, T2); recognizing (3-12) at least one identification informa- tion of the first user equipment (T1, T2) in the message; comparing (3-14, 3-16) the identification information stored in the database (DB) with the identification informa- tion received in the message; and if the both identification information matches, routing (2-8, 3-26) a communication according to the location information of the first user equipment (T1, T2).
    • 本发明涉及一种用于优化到包括至少家庭网络(OPA)的通信系统中的访问网络(OP B,OP C)中的第一用户设备(T1,T2)漫游的方法, 访问网络(OP B,OP C)和中继网络(IPX,IPX1,IPX2,IPX3,IPX4)。 本发明的方法包括将第一用户设备(T1,T2)的位置信息(2-4,3-2,3-4,3-6)存储到家庭网络外部的数据库(DB) (OP A)和所述访问网络(OP B,OP C),所述位置信息与所述第一用户设备(T1,T2)的识别信息相关联; 从第二用户设备(T1,T2)接收(2-6,3-10)消息; 识别(3-12)消息中的第一用户设备(T1,T2)的至少一个识别信息; 将存储在数据库(DB)中的识别信息与消息中接收的识别信息进行比较(3-14,3-16) 并且如果两个识别信息匹配,则根据第一用户设备(T1,T2)的位置信息来路由(2-8,3-26)通信。
    • 139. 发明申请
    • SERVER DISCOVERY IN A NEIGHBOUR NETWORK OF AN IP NODE
    • 服务器在知识产权代理网络中发现
    • WO2009056209A1
    • 2009-05-07
    • PCT/EP2008/008500
    • 2008-10-08
    • PANASONIC CORPORATIONWENIGER, Kilian
    • WENIGER, Kilian
    • H04L29/06
    • H04W8/065H04L45/04H04L45/7457H04W40/246H04W80/04
    • The invention describes a method for discovering a server in a neighbour network of an IP node or IP network, said method comprising obtaining inter-network routing information describing a network reachability between networks, determining at least one routing path including the IP node or IP network in the inter-network routing information, selecting a first network on the determined at least one routing path, said first network being located at or close to the IP node or IP network, determining at least one first address, prefix or domain name associated with the selected first network, transmitting at least one server discovery request message for an address, prefix or domain name associated with the selected first network, and receiving at least one reply message containing an address or domain name of a server located in the selected first network, thus discovering a server in the neighbourhood of the IP node or IP network.
    • 本发明描述了一种用于发现IP节点或IP网络的邻居网络中的服务器的方法,所述方法包括获得描述网络之间的网络可达性的网络间路由信息,确定包括所述IP节点或IP网络的至少一个路由路径 在所述网络间路由信息中,在所确定的至少一个路由路径上选择第一网络,所述第一网络位于或靠近所述IP节点或IP网络,确定与所述至少一个路由路径相关联的至少一个第一地址,前缀或域名 所选择的第一网络,发送与所选择的第一网络相关联的地址,前缀或域名的至少一个服务器发现请求消息,以及接收包含位于所选择的第一网络中的服务器的地址或域名的至少一个回复消息 ,从而发现IP节点或IP网络附近的服务器。