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1. 发明授权

US07072346B2 Network and edge router 失效
标题翻译：网络和边缘路由器
公开(公告)号：US07072346B2
公开(公告)日：2006-07-04
申请号：US09805868
申请日：2001-03-14
申请人： Daisuke Hama
发明人： Daisuke Hama
IPC分类号： H04L12/28
CPC分类号： H04L12/4641 , H04L45/04 , H04L45/50
摘要： In network for forming a VPN on a shared network and communicating via the VPN, a core network of the VPN is formed by an MPLS network, access networks for accessing the core network are formed by VLANs, and edge routers are provided between the MPLS network and VLANs for interfacing the MPLS network and the VLANs. A transmit-side edge router converts a packet, which enters from a VLAN, to an MPLS packet and transmits this MPLS packet to the MPLS network, A receive-side edge router converts the MPLS packet, which has been received from the MPLS network, to a VLAN packet and directs the VLAN packet to a VLAN that belongs to the same VPN as that of a VLAN on the transmit side.
摘要翻译：在共享网络形成VPN并通过VPN通信的网络中，VPN的核心网络由MPLS网络形成，接入核心网的接入网络由VLAN组成，边缘路由器提供在MPLS网络之间以及用于连接MPLS网络和VLAN的VLAN。发送侧边缘路由器将从VLAN进入的报文转换为MPLS报文，并将该MPLS报文发送给MPLS网络。接收边缘路由器转换已从MPLS网络接收的MPLS报文，到VLAN数据包，并将VLAN数据包引导到属于与发送端的VLAN相同的VPN的VLAN。

2. 发明申请

US20120317230A1 NETWORK APPARATUS, TRANSMISSION DESTINATION INQUIRING METHOD, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM 审中-公开
标题翻译：网络设备，传输目的地查询方法和非终端计算机可读存储介质
公开(公告)号：US20120317230A1
公开(公告)日：2012-12-13
申请号：US13490952
申请日：2012-06-07
申请人： Takahiro SHIRAKAWA , Daisuke HAMA , Takeshi ADACHI , Jun HASEGAWA , Takahiro KOHARAGI , Takuji FURUSAWA , Hiroaki KAWASUMI , Masaharu NOZAWA , Katsumi KOBAYASHI
发明人： Takahiro SHIRAKAWA , Daisuke HAMA , Takeshi ADACHI , Jun HASEGAWA , Takahiro KOHARAGI , Takuji FURUSAWA , Hiroaki KAWASUMI , Masaharu NOZAWA , Katsumi KOBAYASHI
IPC分类号： G06F15/16
CPC分类号： H04L45/42 , H04L45/54
摘要： A network apparatus includes a learning table that stores transmission destination information, which is used in transmitting a frame to a node, in association with an address of a node of a transmission destination, an address inquiring unit that transmits, when detecting a frame indicating a transmission request and transmission destination information associated with an address of a transmission destination of the detected frame is not stored in the storing unit, an inquiry request for the transmission destination information to an adjacent node, the inquiry request being added with a predetermined number of hops indicating a number of nodes to which the inquiring request is transmitted, and a frame transmitting unit that transmits, based on response information to the inquiry request, the frame indicating the transmission request.
摘要翻译：一种网络装置，包括将发送目的地信息存储在发送目的地信息中的学习表，所述发送目的地信息用于与发送目的地的节点的地址相关联地发送到节点;地址查询单元，当检测到表示与检测到的帧的发送目的地的地址相关联的发送请求和发送目的地信息不存储在存储单元中，向相邻节点发送关于发送目的地信息的查询请求，查询请求被添加预定数量的跳数指示发送查询请求的节点数量;以及帧发送单元，其基于对查询请求的响应信息，发送指示发送请求的帧。

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