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    • 4. 发明申请
    • UNSOLICITED BROADCAST PACKET TRANSMISSION THROUGH CLOSE-BY COMMUNICATION PROTOCOL
    • 通过“通过通讯协议”进行非敏感广播分组传输
    • US20130005256A1
    • 2013-01-03
    • US13172545
    • 2011-06-29
    • Yannick Koehler
    • Yannick Koehler
    • H04B7/00
    • H04W8/26H04W76/10
    • A method is provided for generating a broadcast packet at a first device including an address; transmitting the generated broadcast packet to a second device through a first protocol. The first device may communicate with the second device via the transmitted address through a second protocol different from the first protocol. Alternatively, an apparatus is provided to receive an unsolicited broadcast packet including an address through a wireless, close-by communication protocol; extract from the broadcast packet identification information about the remote device; and store the extracted identification information in association with the remote device. Alternatively, a computer-readable medium is provided storing instructions to receive a an unsolicited broadcast packet including an address through a first protocol; extract from the broadcast packet identification information, including the address and a service available at the remote device; and communicate with the remote device via a second protocol.
    • 提供一种用于在包括地址的第一设备处产生广播分组的方法; 通过第一协议将生成的广播分组发送到第二设备。 第一设备可以经由发送的地址通过与第一协议不同的第二协议与第二设备进行通信。 或者,提供了一种装置,用于通过无线紧密通信协议接收包括地址的非请求广播分组; 从远程设备的广播包标识信息中提取; 并且将所提取的识别信息与远程设备相关联地存储。 或者,提供计算机可读介质,其存储用于通过第一协议接收包括地址的非请求广播分组的指令; 从广播包标识信息中提取,包括地址和在远程设备可用的服务; 并通过第二协议与远程设备进行通信。
    • 5. 发明授权
    • Unsolicited broadcast packet transmission through close-by communication protocol
    • 通过紧密通信协议进行主动广播数据包传输
    • US09456340B2
    • 2016-09-27
    • US13172545
    • 2011-06-29
    • Yannick Koehler
    • Yannick Koehler
    • H04W40/00H04W8/26H04W76/02
    • H04W8/26H04W76/10
    • A method is provided for generating a broadcast packet at a first device including an address; transmitting the generated broadcast packet to a second device through a first protocol. The first device may communicate with the second device via the transmitted address through a second protocol different from the first protocol. Alternatively, an apparatus is provided to receive an unsolicited broadcast packet including an address through a wireless, close-by communication protocol; extract from the broadcast packet identification information about the remote device; and store the extracted identification information in association with the remote device. Alternatively, a computer-readable medium is provided storing instructions to receive a an unsolicited broadcast packet including an address through a first protocol; extract from the broadcast packet identification information, including the address and a service available at the remote device; and communicate with the remote device via a second protocol.
    • 提供一种用于在包括地址的第一设备处产生广播分组的方法; 通过第一协议将生成的广播分组发送到第二设备。 第一设备可以经由发送的地址通过与第一协议不同的第二协议与第二设备进行通信。 或者,提供了一种装置,用于通过无线紧密通信协议接收包括地址的非请求广播分组; 从远程设备的广播包标识信息中提取; 并且将所提取的识别信息与远程设备相关联地存储。 或者,提供计算机可读介质,其存储用于通过第一协议接收包括地址的非请求广播分组的指令; 从广播包标识信息中提取,包括地址和在远程设备可用的服务; 并通过第二协议与远程设备进行通信。
    • 7. 发明申请
    • Seamless roaming across wireless subnets using source address forwarding
    • 使用源地址转发无缝地漫游无线子网
    • US20070153741A1
    • 2007-07-05
    • US11646904
    • 2006-12-28
    • Richard BlanchetteMartin BouchardAnil GuptaYannick KoehlerGilbert MoineauFrederic MouveauxRoger SandsPierre Trudeau
    • Richard BlanchetteMartin BouchardAnil GuptaYannick KoehlerGilbert MoineauFrederic MouveauxRoger SandsPierre Trudeau
    • H04Q7/00
    • H04W8/02H04L45/66H04W40/36H04W80/02H04W80/04
    • To enable devices to detect L3 roaming users and to take appropriate forwarding actions, L3 knowledge is introduced inside a bridge in a non-intrusive way. In particular, as a client moves from a subnet associated with a first network element to a subnet associated with a second network element, a determination is made regarding whether the client is roaming. This is done by evaluating a source IP address within a L3 packet header within a first frame received at the second network element. If, as a result of the evaluating step, it is determined that the client is roaming, an L2 bridge forwarding table in the second network element is configured to include a source MAC address of the client together with information identifying at least a destination interface for use in directing client data traffic back towards the subnet associated with the first network element. The first frame is then forwarded. In one embodiment, the traffic is directed back towards the subnet associated with the first network element via a GRE encapsulation tunnel, although any convenient tunneling mechanism can be used. According to another feature, given information cached at the foreign access point is used to enable the roaming client to continue to seamlessly receive inbound traffic prior to or during the configuration of the L2 bridge forwarding table (i.e., before any outbound traffic is actually sent from the client).
    • 为了使设备能够检测L3漫游用户并采取适当的转发动作,L3桥梁内部以非侵入式方式引入知识。 特别地,当客户端从与第一网络元件相关联的子网移动到与第二网络元件相关联的子网时,确定客户端是否正在漫游。 这是通过评估在第二网络单元接收的第一帧内的L3分组报头内的源IP地址来完成的。 如果作为评估步骤的结果,确定客户端正在漫游,则第二网元中的L2桥转发表被配置为将客户端的源MAC地址与至少标识至少目的地接口的信息 用于将客户端数据业务引导回与第一网络元件相关联的子网。 然后转发第一帧。 在一个实施例中,尽管可以使用任何方便的隧道机制,但是业务通过GRE封装隧道被引导回到与第一网络元件相关联的子网。 根据另一特征,在外部接入点处缓存的给定信息被用于使得漫游客户端能够在配置L2网桥转发表之前或期间继续无缝地接收入站流量(即,在任何出站流量实际上从 客户端)。