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    Fast handoff for wireless devices in a wired-wireless network
    11.
    发明授权
    Fast handoff for wireless devices in a wired-wireless network 有权
    无线设备在有线无线网络中的快速切换

    公开(公告)号：US08532070B2

    公开(公告)日：2013-09-10

    申请号：US11640579

    申请日：2006-12-18

    Applicant: Gnanaprakasam Pandian ,  Navindra Yadav ,  Sheausong Yang ,  Bhanu Gopalasetty ,  Senthil Arunachalam

    Inventor： Gnanaprakasam Pandian ,  Navindra Yadav ,  Sheausong Yang ,  Bhanu Gopalasetty ,  Senthil Arunachalam

    IPC: H04W4/00

    CPC classification number: H04W36/0016 ,  H04W36/02 ,  H04W40/32 ,  H04W40/36

    Abstract: A method and apparatus for handoff of a wireless client from a first network device to a second network device in a wired network are disclosed. In one embodiment, the method includes receiving data from a new wireless client at the second network device and transmitting a request for a route update for the new wireless client to the wired network. Prior to network convergence for the route update, data traffic for the new wireless client is received from the first network device and forwarded to the new wireless client. Context information for the new wireless client is transmitted from the second network device to other network devices in a proximity group of the second network device.

    Abstract translation: 公开了一种用于将无线客户端从有线网络中的第一网络设备切换到第二网络设备的方法和装置。 在一个实施例中，该方法包括从第二网络设备处的新无线客户端接收数据，并向有线网络发送新无线客户端的路由更新请求。 在用于路由更新的网络融合之前，从第一网络设备接收新的无线客户端的数据业务并转发给新的无线客户端。 用于新无线客户端的上下文信息从第二网络设备发送到第二网络设备的接近组中的其他网络设备。

    Maintaining point of presence for clients roaming within a layer 2 domain
    12.
    发明申请
    Maintaining point of presence for clients roaming within a layer 2 domain 有权
    维护客户端在第2层域内漫游的存在点

    公开(公告)号：US20120300756A1

    公开(公告)日：2012-11-29

    申请号：US13068926

    申请日：2011-05-24

    Applicant: Vipul Shah ,  Bhanu Gopalasetty ,  Navindra Yadav ,  Sudhir K. Jain ,  Rohit Suri

    Inventor： Vipul Shah ,  Bhanu Gopalasetty ,  Navindra Yadav ,  Sudhir K. Jain ,  Rohit Suri

    IPC: H04W84/02 ,  H04W4/00

    CPC classification number: H04W36/02

    Abstract: In one embodiment, a method includes receiving a packet from a source wireless device at a second switch, the source wireless device previously associated with a first switch and roamed to and associated with the second switch, wherein a point of presence for the source wireless device is maintained at the first switch, inserting into the packet a direction indicator, and forwarding the packet from the second switch to the first switch, the direction indicator identifying the packet as being transmitted towards the point of presence for the source wireless device to prevent a forwarding loop. An apparatus is also disclosed.

    Abstract translation: 在一个实施例中，一种方法包括在第二交换机处从源无线设备接收分组，所述源无线设备先前与第一交换机相关联并且漫游到第二交换机并且与第二交换机相关联，其中源无线设备的存在点 保持在第一交换机处，将数据包插入方向指示器，并将分组从第二交换机转发到第一交换机，方向指示符将分组标识为向源无线设备的存在点发送以防止 转发循环。 还公开了一种装置。

    SUBNET SCOPED MULTICAST/BROADCAST PACKET DISTRIBUTION MECHANISM OVER A ROUTED NETWORK
    14.
    发明申请
    SUBNET SCOPED MULTICAST/BROADCAST PACKET DISTRIBUTION MECHANISM OVER A ROUTED NETWORK 有权
    分布式网络上的子网多媒体/广播分发机制

    公开(公告)号：US20120207160A1

    公开(公告)日：2012-08-16

    申请号：US13455822

    申请日：2012-04-25

    Applicant: Navindra Yadav ,  James Rivers ,  Gnanaprakasam Pandian ,  Pauline Shuen ,  Scott Emery

    Inventor： Navindra Yadav ,  James Rivers ,  Gnanaprakasam Pandian ,  Pauline Shuen ,  Scott Emery

    IPC: H04L12/56

    CPC classification number: H04L12/56 ,  H04L12/1868 ,  H04L12/1886 ,  H04L45/16

    Abstract: In one embodiment, a subnet-scoped multicast packet is received on an interface of a forwarding device that is connected to a host device of a subnet of a forwarding domain. The received subnet-scoped multicast packet is transmitted from one or more other interfaces of the forwarding device that are connected to one or more other host devices of the subnet. The received subnet-scoped multicast packet is also encapsulated with an additional header. The encapsulated subnet-scoped multicast packet is forwarded from the forwarding device to an intermediate router which routes the encapsulated subnet-scoped multicast packet to one or more other forwarding devices configured to decapsulate the encapsulated subnet-scoped multicast packet and transmit the decapsulated subnet-scoped multicast packet to one or more connected host devices of an additional portion of the subnet.

    Abstract translation: 在一个实施例中，在连接到转发域的子网的主机设备的转发设备的接口上接收子网范围的组播分组。 接收到的子网范围的组播数据包是从连接到子网的一个或多个其他主机设备的转发设备的一个或多个其他接口传送的。 接收到的子网范围的组播数据包也封装了一个额外的头。 封装的子网范围组播数据包从转发设备转发到中间路由器，路由器将封装的子网范围组播数据包路由到一个或多个其他转发设备，该转发设备配置为对封装的子网范围组播数据包进行解封装，并传送解封装的子网范围 组播分组到子网的附加部分的一个或多个连接的主机设备。

    Maintaining Point of Presence at Access Switch for Roaming Clients in Distributed Wireless Controller System
    16.
    发明申请
    Maintaining Point of Presence at Access Switch for Roaming Clients in Distributed Wireless Controller System 有权
    维护分布式无线控制器系统中漫游客户端接入交换机的存在点

    公开(公告)号：US20110274082A1

    公开(公告)日：2011-11-10

    申请号：US12773351

    申请日：2010-05-04

    Applicant: Patrice Calhoun ,  Abhijit Choudhury ,  Rohit Suri ,  Sudhir Jain ,  Bhanu Gopalasetty ,  Navindra Yadav ,  Fusun Ertemalp ,  Kent Leung

    Inventor： Patrice Calhoun ,  Abhijit Choudhury ,  Rohit Suri ,  Sudhir Jain ,  Bhanu Gopalasetty ,  Navindra Yadav ,  Fusun Ertemalp ,  Kent Leung

    IPC: H04W36/00 ,  H04W40/00

    CPC classification number: H04W40/24 ,  H04L45/04 ,  H04L45/42 ,  H04W8/087

    Abstract: Techniques are provided to enable support of roaming wireless devices in a network such that the wireless devices can keep their Internet Protocol (IP) addresses as they roam across mobility sub-domains. Traffic for a wireless device that roams is tunneled back to the access switch that serves the IP subnet which includes an IP address for the wireless device. Traffic is tunneled back to that access switch for the wireless device when the wireless device roams to another access switch which does not serve the IP subnet for the wireless device in the same mobility sub-domain and when the wireless device roams to a different mobility sub-domain, in which case the traffic is tunneled between tunneling endpoints in the respective mobility sub-domains.

    Abstract translation: 提供技术以支持网络中的漫游无线设备，使得无线设备可以在移动子域漫游时保持其互联网协议（IP）地址。 漫游的无线设备的流量被隧道传回给服务于包含无线设备的IP地址的IP子网的接入交换机。 当无线设备漫游到不为同一移动性子域中的无线设备的IP子网服务的另一个接入交换机以及当无线设备漫游到不同的移动性子网时，业务被隧道传送回无线设备的接入交换机 在这种情况下，流量在相应的移动性子域中的隧道端点之间隧道化。

    Server load balancing using minimally disruptive hash tables
    18.
    发明授权
    Server load balancing using minimally disruptive hash tables 有权
    使用最小破坏性哈希表的服务器负载平衡

    公开(公告)号：US09083710B1

    公开(公告)日：2015-07-14

    申请号：US13342493

    申请日：2012-01-03

    Applicant: Navindra Yadav

    Inventor： Navindra Yadav

    IPC: G06F15/16 ,  H04L29/08 ,  H04L12/803

    CPC classification number: H04L67/1004 ,  H04L47/125 ,  H04L67/1002 ,  H04L67/1008 ,  H04L67/1023

    Abstract: Methods and articles of manufacture relating to server load balancing are disclosed. In one aspect, the method includes load balancing a plurality of network packets among a plurality of servers using a minimally disruptive hash table having a plurality of hash table buckets by identifying a plurality of elements, each element corresponding to at least one of the plurality of servers, inserting at least two of the identified plurality of elements into the minimally disruptive hash table so that at least some of the hash table buckets each include one of the plurality of elements, receiving one of the plurality of network packets, determining a hash table index for the received network packet using a hash function, identifying an element stored in a hash table bucket corresponding to the hash table index, and transmitting the received network packet to a server corresponding to the identified element.

    Abstract translation: 公开了与服务器负载平衡有关的方法和制造。 在一个方面，该方法包括通过识别多个元素来使用具有多个散列表桶的最小破坏性散列表在多个服务器之间对多个网络分组进行负载平衡，每个元素对应于多个 服务器，将所识别的多个元素中的至少两个插入到最小破坏性散列表中，使得至少一些散列表桶中的每一个包括多个元素之一，接收多个网络分组之一，确定散列表 使用散列函数对接收到的网络分组进行索引，识别存储在与散列表索引相对应的散列表桶中的元素，以及将接收到的网络分组发送到与所识别的元素相对应的服务器。

    Maintaining point of presence for clients roaming within a layer 2 domain
    20.
    发明授权
    Maintaining point of presence for clients roaming within a layer 2 domain 有权
    维护客户端在第2层域内漫游的存在点

    公开(公告)号：US08971289B2

    公开(公告)日：2015-03-03

    申请号：US13068926

    申请日：2011-05-24

    Applicant: Vipul Shah ,  Bhanu Gopalasetty ,  Navindra Yadav ,  Sudhir K. Jain ,  Rohit Suri

    Inventor： Vipul Shah ,  Bhanu Gopalasetty ,  Navindra Yadav ,  Sudhir K. Jain ,  Rohit Suri

    IPC: H04W4/00 ,  H04W36/00 ,  H04W36/02

    CPC classification number: H04W36/02

    Abstract: In one embodiment, a method includes receiving a packet from a source wireless device at a second switch, the source wireless device previously associated with a first switch and roamed to and associated with the second switch, wherein a point of presence for the source wireless device is maintained at the first switch, inserting into the packet a direction indicator, and forwarding the packet from the second switch to the first switch, the direction indicator identifying the packet as being transmitted towards the point of presence for the source wireless device to prevent a forwarding loop. An apparatus is also disclosed.

    Abstract translation: 在一个实施例中，一种方法包括在第二交换机处从源无线设备接收分组，所述源无线设备先前与第一交换机相关联并且漫游到第二交换机并且与第二交换机相关联，其中源无线设备的存在点 保持在第一交换机处，将数据包插入方向指示器，并将分组从第二交换机转发到第一交换机，方向指示符将分组标识为向源无线设备的存在点发送以防止 转发循环。 还公开了一种装置。

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