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    • 3. 发明申请
    • Subscriber loop remote control apparatus, subscriber loop remote control method, and subscriber loop remote control program
    • 用户回路遥控装置,用户环路遥控方式和用户回路遥控程序
    • US20060126643A1
    • 2006-06-15
    • US11296344
    • 2005-12-08
    • Sou SatouToshihiko Kusano
    • Sou SatouToshihiko Kusano
    • H04L12/28
    • H04L12/4645
    • A subscriber loop remote control apparatus that allows communication terminals to transmit VLAN packets without imposing a load on a router. A subscriber loop remote control apparatus is provided with a virtual interface table for associating a subscriber premises terminal identifier individually assigned to a subscriber premises terminal connected through a communication cable to a port assigned to every packet of each group which constitutes a VLAN with the port number of the port to store and manage them. When receiving a packet, the subscriber loop remote control apparatus determines whether or not a subscriber premises terminal identifier contained in the packet matches any of those in the virtual interface table. When the subscriber premises terminal identifier matches one of those in the virtual interface table, the subscriber loop remote control apparatus returns and transmits the packet to the destination before the router side.
    • 用户环路遥控装置,其允许通信终端传输VLAN分组而不在路由器上施加负载。 用户环路遥控装置设置有虚拟接口表,用于将分别分配给通过通信电缆连接的用户住宅终端的用户住宅终端标识符与分配给构成具有端口号的每个组的每个分组的端口相关联 的端口来存储和管理它们。 当接收到分组时,用户环路远程控制装置确定包含在分组中的用户住宅终端标识符是否匹配虚拟接口表中的任何一个。 当用户住宅终端标识符与虚拟接口表中的一个匹配时,用户环路遥控装置在路由器侧之前返回并发送到目的地的分组。
    • 4. 发明申请
    • IP multicast service system, switching device, and group selection transmission method used therefor
    • IP组播业务系统,交换设备和组选择传输方式
    • US20080095093A1
    • 2008-04-24
    • US11907713
    • 2007-10-16
    • Sadaichirou OogushiSou Satou
    • Sadaichirou OogushiSou Satou
    • H04L12/56
    • H04L12/185H04L12/4641H04L29/1233H04L61/25
    • The object of the present invention is to provide an IP multicast service system which can design an independent multicast group system in each network on the center side and the subscriber-side. In an IP multicast service system according to the present invention including: a center-side network configured by a plurality of multicast servers; and a subscriber-side network configured by a plurality of IP-STBs (Internet Protocol-Set Top Boxes) for receiving a multicast packet transmitted from the multicast servers and reproducing the multicast packet as an image, a group design on the basis of an independent group address system on the center-side network and on the subscriber-side network can be made by converting a group address of the multicast packet transmitted and received between the center-side network and the subscriber-side network.
    • 本发明的目的是提供一种可以在中心侧和用户侧的每个网络中设计独立的组播组系统的IP组播服务系统。 在根据本发明的IP组播业务系统中,包括:由多个组播服务器配置的中心侧网络; 以及由多个IP-STB(因特网协议机顶盒)配置的用户侧网络,用于接收从组播服务器发送的多播分组,并将多播分组再现为图像,基于独立的组播设计 中心侧网络和用户侧网络上的组地址系统可以通过转换在中心侧网络和用户侧网络之间发送和接收的组播分组的组地址来进行。
    • 5. 发明申请
    • Subscriber line accommodation apparatus and packet filtering method
    • 用户线路住宿设备和包过滤方法
    • US20060067321A1
    • 2006-03-30
    • US11231827
    • 2005-09-22
    • Sou Satou
    • Sou Satou
    • H04L12/56H04L12/28
    • H04L12/2861H04L12/2856H04L63/0227
    • In a subscriber line accommodation apparatus, subscriber line termination units individually terminate a plurality of subscriber lines. An address information acquisition unit successively acquires, as address information, a dynamic address dynamically assigned to each of the communication terminals connected to the subscriber lines terminated by the subscriber line termination unit. A packet information reading unit reads out, from a packet to be sent to one of the communication terminals, packet information containing a dynamic address indicating the destination of the packet. An address information coincidence presence/absence determination unit determines whether the readout dynamic address coincides with one of the pieces of address information acquired by the address information acquisition unit. A packet sending control unit permits sending of only a packet determined to be coincident. A packet filtering method is also disclosed.
    • 在用户线路收容设备中,用户线路终端单元分别终止多条用户线路。 地址信息获取单元连续地获取动态地分配给与由用户线路终端单元终止的用户线连接的通信终端的动态地址作为地址信息。 分组信息读取单元从要发送到通信终端之一的分组中读出包含指示分组的目的地的动态地址的分组信息。 地址信息一致存在确定单元确定读出的动态地址是否与由地址信息获取单元获取的一条地址信息一致。 分组发送控制单元允许只发送确定为一致的分组。 还公开了一种包过滤方法。
    • 6. 发明申请
    • Subscriber line accommodation apparatus and packet filtering method
    • 用户线路住宿设备和包过滤方法
    • US20060109847A1
    • 2006-05-25
    • US11231828
    • 2005-09-22
    • Sou Satou
    • Sou Satou
    • H04L12/56H04J1/02
    • H04L63/0236H04L29/12028H04L29/12273H04L61/103H04L61/2053
    • In a subscriber line accommodation apparatus, subscriber line termination units individually terminate a plurality of subscriber lines. An address information acquisition unit acquires address information of each communication terminal connected to the subscriber line terminated by the subscriber line termination unit. When the IP address of a communication terminal is designated, and one of an ARP request to acquire a MAC address corresponding to the IP address and an ARP response is done, an address information coincidence determination unit determines whether an address indicating the transmission source of an ARP packet used for the ARP request and the ARP response coincides with one of pieces of address information acquired by the address information acquisition unit. A packet sending control unit permits sending of the ARP packet when it is determined that the addresses coincide. A packet filtering method is also disclosed.
    • 在用户线路收容设备中,用户线路终端单元分别终止多条用户线路。 地址信息获取单元获取与由用户线终端单元终止的用户线连接的每个通信终端的地址信息。 当指定了通信终端的IP地址,并且完成了获取与IP地址对应的MAC地址和ARP响应的ARP请求中的一个时,地址信息一致判定单元确定表示发送源的地址 用于ARP请求和ARP响应的ARP分组与由地址信息获取单元获取的一条地址信息一致。 当确定地址一致时,分组发送控制单元允许发送ARP分组。 还公开了一种包过滤方法。
    • 7. 发明授权
    • Subscriber line accommodation apparatus and packet filtering method
    • 用户线路住宿设备和包过滤方法
    • US07680106B2
    • 2010-03-16
    • US11231827
    • 2005-09-22
    • Sou Satou
    • Sou Satou
    • H04L12/56
    • H04L12/2861H04L12/2856H04L63/0227
    • In a subscriber line accommodation apparatus, subscriber line termination units individually terminate a plurality of subscriber lines. An address information acquisition unit successively acquires, as address information, a dynamic address dynamically assigned to each of the communication terminals connected to the subscriber lines terminated by the subscriber line termination unit. A packet information reading unit reads out, from a packet to be sent to one of the communication terminals, packet information containing a dynamic address indicating the destination of the packet. An address information coincidence presence/absence determination unit determines whether the readout dynamic address coincides with one of the pieces of address information acquired by the address information acquisition unit. A packet sending control unit permits sending of only a packet determined to be coincident. A packet filtering method is also disclosed.
    • 在用户线路收容设备中,用户线路终端单元分别终止多条用户线路。 地址信息获取单元连续地获取动态地分配给与由用户线路终端单元终止的用户线连接的通信终端的动态地址作为地址信息。 分组信息读取单元从要发送到通信终端之一的分组中读出包含指示分组的目的地的动态地址的分组信息。 地址信息一致存在确定单元确定读出的动态地址是否与由地址信息获取单元获取的一条地址信息一致。 分组发送控制单元允许只发送确定为一致的分组。 还公开了一种包过滤方法。