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41. 发明公开

EP3007389A1 GRE TUNNEL IMPLEMENTATION METHOD, ACCESS POINT AND GATEWAY 有权
标题翻译：广东省广播电视广播电视广播电台
公开(公告)号：EP3007389A1
公开(公告)日：2016-04-13
申请号：EP13888920.9
申请日：2013-07-10
申请人： Huawei Technologies Co., Ltd.
发明人： XUE, Li , WANG, Shanshan , DU, Zongpeng , ZHAO, Zhiwang
IPC分类号： H04L12/70
摘要： Embodiments of the present invention provide a method for implementing a GRE tunnel, an access point, and a gateway. The method for implementing the GRE tunnel includes: the AP receives a first packet, where the first packet carries an address of the GW; configures a GRE tunnel to the GW, where a source destination of the GRE tunnel is an address of the AP, and a destination address of the GRE tunnel is the address of the GW; the AP receives a second packet sent by user equipment; performs GRE tunnel encapsulation for the second packet to form a third packet; and the AP sends the third packet to the GW by using the GRE tunnel, where the third packet carries the address of the AP. The embodiments of the present invention enable efficient establishment of the GRE tunnel between the AP and the GW in a case in which there are a large quantity of APs.
摘要翻译：本发明的实施例提供了实现GRE隧道，接入点和网关的方法。实现GRE隧道的方法包括：AP接收第一个分组，其中第一个分组携带GW的地址; 将GRE隧道配置为GRE，其中GRE隧道的源目的地为AP的地址，GRE隧道的目的地址为GW的地址; AP接收用户设备发送的第二个报文; 对第二个分组进行GRE隧道封装，形成第三个分组; 并且AP通过使用GRE隧道将第三个分组发送到GW，其中第三个分组携带AP的地址。在存在大量AP的情况下，本发明的实施例能够有效地建立AP与GW之间的GRE隧道。

42. 发明公开

EP2963867A1 METHOD, SYSTEM, AND DEVICE FOR ESTABLISHING PSEUDO WIRE 有权
标题翻译： VERFAHREN，系统VORRICHTUNG ZUR HERSTELLUNG VON PSEUDODRAHT
公开(公告)号：EP2963867A1
公开(公告)日：2016-01-06
申请号：EP15176388.5
申请日：2011-01-17
申请人： Huawei Technologies Co., Ltd.
发明人： QIU, Chaowa , XUE, Li , LIU, Changbao , CAO, Wei
IPC分类号： H04L12/703 , H04L12/707 , H04L12/721 , H04L12/723
CPC分类号： H04L45/68 , H04L45/22 , H04L45/28 , H04L45/50 , H04L45/745
摘要： A method, a system, and a device for establishing a pseudo wire are disclosed in embodiments of the present invention and are applicable to the field of communications technologies. The method for establishing a pseudo wire in the embodiments of the present invention includes: receiving, by a switching provider edge at a bifurcation position, a label mapping message, obtaining information of the switching provider edge at the bifurcation position and information of at least two next hops or outgoing interfaces of the switching provider edge through parsing, comparing the information of the switching provider edge at the bifurcation position with information of a local device, and if the information of the switching provider edge at the bifurcation position matches with the information of the local device, establishing at least two pseudo wires from the switching provider edge according to the information of at least two next hops or outgoing interfaces. In the method in the embodiments of the present invention, a TPE only needs to send one label mapping message to establish at least two pseudo wires, thereby reducing a resource consumed by pseudo wire establishment. In addition, when an active pseudo wire is faulty, the switching provider edge at the bifurcation position may directly perform an active/standby pseudo wire switchover, so that a fast recovery switchover process of an active/standby pseudo wire is simplified, and segment protection of an MS-PW can be provided from the switching provider edge at the bifurcation position, thereby making better use of a network resource.
摘要翻译：在本发明的实施例中公开了一种用于建立伪线的方法，系统和设备，并且可应用于通信技术领域。在本发明的实施例中，用于建立伪线的方法包括：通过分叉位置处的交换提供商边缘接收标签映射消息，获得分支位置处的切换提供商边缘的信息和至少两个信息通过解析，将分路位置处的交换提供商边缘的信息与本地设备的信息进行比较，并且如果分叉位置处的切换提供商边缘的信息与分支位置的信息匹配，则切换提供商边缘的下一跳或出站接口与本地设备根据至少两个下一跳或出接口的信息从交换提供商边缘建立至少两条伪线。在本发明实施例的方法中，TPE仅需要发送一个标签映射消息来建立至少两条伪线，从而减少伪线建立所消耗的资源。另外，当主动伪线故障时，分叉位置的交换提供商边缘可以直接进行主备虚拟线路切换，从而简化主备虚拟线路的快速恢复切换过程，并实现分段保护可以从分叉位置处的切换提供商边缘提供MS-PW，从而更好地利用网络资源。

43. 发明公开

EP2439888A1 METHOD, APPARATUS AND SYSTEM FOR ESTABLISHING PSEUDO WIRE 有权
标题翻译：用于建立伪线的方法，装置和系统
公开(公告)号：EP2439888A1
公开(公告)日：2012-04-11
申请号：EP09846669.1
申请日：2009-06-29
申请人： Huawei Technologies Co., Ltd.
发明人： CAO, Wei , XUE, Li
IPC分类号： H04L12/56
CPC分类号： H04L45/68 , H04L45/02
摘要： A method, a device and a system for establishing a Pseudo Wire (PW) are provided. The method includes: receiving, by a switching node, a control message, where the control message carries first Forwarding Equivalence Class (FEC) information and routing information; constructing, by the switching node, a first control message according the first FEC information and the routing information in the control message, and sending the first control message to a second terminal node; constructing, by the second terminal node, a second control message according to the first control message, where the second control message includes the second FEC information and the second routing information, and the second FEC information carries identification information of the first terminal node; and sending, by the second terminal node, the second control message to the switching node. In the method, it is unnecessary to manually configure a PW routing table on the switching node or establish a PW routing table dynamically through a routing protocol, and it is unnecessary to configure mapping relations between PW segments manually. This method achieves robust maintenance.
摘要翻译：提供了一种建立伪线（PW）的方法，装置和系统。该方法包括：交换节点接收控制消息，该控制消息携带第一转发等价类信息和路由信息; 所述交换节点根据所述第一FEC信息和所述控制消息中的路由信息构造第一控制消息，并将所述第一控制消息发送给第二终端节点; 所述第二终端节点根据所述第一控制消息构造第二控制消息，所述第二控制消息包括所述第二FEC信息和所述第二路由信息，所述第二FEC信息携带所述第一终端节点的标识信息; 所述第二终端节点向所述交换节点发送所述第二控制消息。该方法不需要在交换节点上手动配置PW路由表或者通过路由协议动态建立PW路由表，无需手工配置PW段映射关系。这种方法实现了强大的维护。

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