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    • 4. 发明授权
    • IPV6 TRANSITION TOOL HANDLING
    • HANDHABUNG EINES IPV6-ÜBERGANGSWERKZEUGS
    • EP2772029B1
    • 2017-03-01
    • EP11874856.5
    • 2011-10-28
    • Telefonaktiebolaget LM Ericsson (publ)
    • GUO, Lei
    • H04W36/00H04W80/04
    • H04W36/0022H04L61/6086H04W80/045
    • The present invention relates to a method for signalling in an infrastructure network comprising a Source Serving Node (S-SN), a Target Serving Node (T-SN), and a first Gateway. At least one Packet Data Network (PDN) bearer is established for a User Equipment when at least one PDN bearer is handed over from the S-SN to the T-TN. The network performs the steps of: sending, by the T-SN to the first GW, a modify bearer request indicating that the T-SN does not support dual Internet Protocol (IP) addressing for said PDN bearer being handed over; initiating, by the first GW on the basis of the received modify bearer request, a modify bearer procedure where a new PDN bearer type for single IF addressing is defined; and sending, by the first GW to the T-SN, a modify bearer response comprising information about the new PDN bearer type.
    • 本发明涉及一种在包括源服务节点(S-SN),目标服务节点(T-SN)和第一网关的基础设施网络中进行信令的方法。 当至少一个PDN承载从S-SN切换到T-TN时,为用户设备建立至少一个分组数据网络(PDN)承载。 网络执行以下步骤:由T-SN向第一GW发送修改承载请求,指示T-SN不支持被切换的所述PDN承载的双重因特网协议(IP)寻址; 由第一GW基于接收到的修改承载请求发起修改承载过程,其中定义了用于单个IF寻址的新的PDN承载类型; 以及由所述第一GW向所述T-SN发送包括关于所述新的PDN承载类型的信息的修改承载响应。
    • 5. 发明授权
    • SINGLE-PDP DUAL-STACK SERIAL DIALING METHOD AND SYSTEM
    • VERFAHREN UND SYSTEM ZUM EINZEL-PDP-DOPPELSTAPEL-SERIENWÄHLEN
    • EP2846507B1
    • 2017-02-22
    • EP12875868.7
    • 2012-07-18
    • ZTE Corporation
    • DING, XiaoleiZHENG, Wei
    • H04M1/253H04M3/44H04L29/12H04M1/725
    • H04M3/02H04L61/6086H04L65/1069H04M1/2535H04M1/72561H04M3/44H04W76/12H04W80/045H04W88/06H04W92/08
    • a method and system for single- PDP dual-stack serial is provided. A mobile terminal sets a single-PDP dual-stack serial dialing parameter according to a parameter setting command transmitted by a host; then the mobile terminal initiates a PDP activation request to a mobile communication network according to a first dialing instruction transmitted by the host and the configured single-PDP dual-stack serial dialing parameter, acquires activation response information fed back by the mobile communication network, generates dialing response information according to the activation response information, and feeds back the dialing response information to the host, wherein the dialing response information includes cause reference information; and after receiving the dialing response information, the host can acquire a specific condition of the current mobile network according to the cause reference information included in the dialing response information to determine a dialing mode. Unnecessary dialing processing and a dialing failure can be avoided, the condition of unnecessarily returning to dual-PDP dual-stack dialing can be avoided, a dialing flow can be simplified, dialing efficiency can be improved, and a utilization rate of a system resource can be increased.
    • 提供了单PDP双栈串行的方法和系统。 移动终端根据由主机发送的参数设置命令设置单PDP双栈串行拨号参数; 则移动终端根据由主机发送的第一拨号指令和配置的单PDP双栈串行拨号参数向移动通信网络发起PDP激活请求,获取由移动通信网反馈的激活响应信息,生成 根据激活响应信息拨打响应信息,并将拨号响应信息反馈给主机,其中拨号响应信息包括原因参考信息; 并且在接收到所述拨号响应信息之后,所述主机可以根据所述拨号响应信息中包含的原因参考信息获取当前移动网络的特定条件,以确定拨号模式。 可以避免不必要的拨号处理和拨号故障,可以避免不必要地返回到双PDP双栈拨号的情况,简化拨号流程,提高拨号效率,提高系统资源利用率 增加。
    • 6. 发明公开
    • ROUTING METHOD AND ROUTING APPARATUS
    • ROUTINGVERFAHREN UND ROUTINGVORRICHTUNG
    • EP3082363A4
    • 2017-01-25
    • EP14876201
    • 2014-01-06
    • HUAWEI TECH CO LTD
    • HE NINGXIONG CHUNSHANLIU JIANNING
    • H04W8/08H04W40/24H04W80/04H04W88/18
    • H04W24/02H04L47/825H04L61/1511H04L61/6086H04L69/22H04W40/24H04W80/04H04W88/182
    • Embodiments of the present invention provide a routing method and a routing apparatus. The routing method includes: receiving, by a first mobility router, a first data packet sent by a first mobile node to a first communication peer end, where the first mobility router is a mobility router in a visited network of the first mobile node, and the first data packet includes an address of the first communication peer end; acquiring, by the first mobility router, an address of a proxy routing entity based on the address of the first communication peer end, where the proxy routing entity is located in a communication path between the first mobility router and the first communication peer end; establishing, by the first mobility router, a first tunnel to the proxy routing entity based on the address of the proxy routing entity; and transmitting, by the first mobility router by using the first tunnel, a data packet sent by the first communication peer end to the first mobile node. In the technical solutions of the present invention, a route redundancy problem is resolved.
    • 本发明的实施例提供一种路由方法和路由设备。 所述路由方法包括:由第一移动性路由器接收由第一移动节点发送到第一通信对等端的第一数据分组,其中所述第一移动性路由器是所述第一移动节点的访问网络中的移动性路由器,以及 所述第一数据分组包括所述第一通信对端的地址; 基于所述第一通信对端的地址,由所述第一移动路由器获取所述代理路由实体的地址,所述代理路由实体位于所述第一移动性路由器与所述第一通信对端之间的通信路径中; 基于所述代理路由实体的地址,由所述第一移动性路由器建立到所述代理路由实体的第一隧道; 以及由所述第一移动性路由器通过使用所述第一隧道将由所述第一通信对等端发送的数据分组发送到所述第一移动节点。 在本发明的技术方案中,解决了路由冗余问题。
    • 10. 发明公开
    • ADDRESS ALLOCATION METHOD, DEVICE AND SYSTEM
    • ADRESSENZUWEISUNGSVERFAHREN,-VORRICHTUNG UND -SYSTEM
    • EP2890091A4
    • 2015-12-23
    • EP12885484
    • 2012-09-29
    • HUAWEI TECH CO LTD
    • ZOU YONGJUNZHENG QIYU YINI
    • H04L29/12
    • H04L61/2007H04L41/0816H04L61/1511H04L61/251H04L61/6059H04L61/6086
    • Embodiments of the present invention provide an address allocating method, including: configuring both a DNS server and a DNS64 server for one access point of a gateway; determining whether a terminal requesting access to a network server supports the IPv4 protocol stack; and if the terminal supports the IPv4 protocol stack, allocating the terminal a DNS address directing to the DNS server; where, the DNS server is configured to send an IPv4 address and/or an IPv6 address of the network server to the terminal, and the DNS64 server is configured to synthesize an IPv4 address of an IPv4 network server supporting the IPv4 protocol stack only into an IPv6 address and send the IPv6 address to the terminal. The embodiments of the present invention also disclose an address allocating apparatus and system. With the present invention, different addresses can be allocated to a terminal according to the protocol stack type supported by the terminal, so that a dual-stack terminal always accesses an IPv4 network server by using the IPv4 protocol stack, thereby reducing costs of an operator, improving user experience, and avoiding various defects of an NAT64.
    • 本发明的实施例提供一种地址分配方法,包括:为网关的一个接入点配置DNS服务器和DNS64服务器; 确定请求接入网络服务器的终端是否支持IPv4协议栈; 并且如果终端支持IPv4协议栈,则向终端分配指向DNS服务器的DNS地址; 其中,DNS服务器被配置为向终端发送网络服务器的IPv4地址和/或IPv6地址,并且DNS64服务器被配置为仅将支持IPv4协议栈的IPv4网络服务器的IPv4地址合成到 IPv6地址,并将IPv6地址发送到终端。 本发明的实施例还公开了一种地址分配装置和系统。 根据本发明,可以根据由终端支持的协议栈类型向终端分配不同的地址,使得双栈终端总是通过使用IPv4协议栈访问IPv4网络服务器,从而降低运营商的成本 ,改善用户体验,避免NAT64的各种缺陷。