公开(公告)号：US08238337B1

公开(公告)日：2012-08-07

申请号：US12062036

申请日：2008-04-03

申请人： Michael Orr ,  Alon Harel ,  Eugene Zetserov

发明人： Michael Orr ,  Alon Harel ,  Eugene Zetserov

IPC分类号： H04L12/28

CPC分类号： H04L12/4675 ,  H04L12/1886 ,  H04L12/467 ,  H04L45/16

摘要： A switch having first, second, and third ports receives a multicast join message into the first port on a first VLAN, wherein the first and second ports are associated with the first VLAN, the second and third ports are associated with a second VLAN, and the first, second, and third ports are associated with a multicast VLAN, and wherein the multicast join message represents a first request to join a multicast group; creates an association between the multicast group and the ports associated with the multicast VLAN based on the multicast join message; transmits a network-layer routing protocol message from the second port, wherein the network-layer routing protocol message represents a second request to join the multicast group; receives a multicast packet for the multicast group into the second port; and transmits the multicast packet on the multicast VLAN based on the association.

摘要翻译： 具有第一，第二和第三端口的交换机在第一VLAN上接收到第一端口中的多播加入消息，其中第一和第二端口与第一VLAN相关联，第二和第三端口与第二VLAN相关联，以及 第一，第二和第三端口与组播VLAN相关联，其中多播加入消息表示加入多播组的第一请求; 基于组播加入消息，在组播组和与组播VLAN关联的端口之间建立关联; 从所述第二端口发送网络层路由协议消息，其中所述网络层路由协议消息表示加入所述多播组的第二请求; 将组播组的组播报文接收到第二端口; 并根据关联在组播VLAN上发送组播报文。

公开(公告)号：US08971424B2

公开(公告)日：2015-03-03

申请号：US13118625

申请日：2011-05-31

申请人： Isaac Rosenhouse ,  Alon Harel

发明人： Isaac Rosenhouse ,  Alon Harel

IPC分类号： H04K1/10 ,  H04L25/02 ,  H04L27/00

CPC分类号： H04L25/0232 ,  H04L25/0236 ,  H04L27/0014

摘要： A method for a receiver to estimate phase of a carrier wave, including receiving a carrier wave carrying pilot symbols and data symbols extending between the pilot symbols, determining phase of the carrier wave at received pilot symbols, and interpolating the phase of the carrier wave at points between pilot symbols based, at least in part, on an estimated phase of demodulated data symbols. Apparatus for estimate phase of a carrier wave, including a unit for determining phase of the carrier wave at received pilot symbols, and a unit for interpolating the phase of the carrier wave at points between pilot symbols based, at least in part, on an estimated phase of demodulated data symbols. Related apparatus and methods are also described.

摘要翻译： 一种用于估计载波相位的接收机的方法，包括：接收携带导频符号的载波和在导频符号之间延伸的数据符号，确定接收到的导频符号处的载波的相位，并将载波的相位内插 至少部分地基于解调数据符号的估计相位，导频符号之间的点。 用于估计载波相位的装置，包括用于确定接收到的导频符号的载波相位的单元，以及用于在导频符号之间的点处内插载波的相位的单元，至少部分地基于估计的 解调数据符号的相位。 还描述了相关装置和方法。

公开(公告)号：US20100265849A1

公开(公告)日：2010-10-21

申请号：US12426970

申请日：2009-04-21

申请人： Alon Harel

发明人： Alon Harel

IPC分类号： H04L12/28

CPC分类号： H04L12/462 ,  H04L45/04 ,  H04L45/48

摘要： Communication apparatus includes a hierarchical network of switches, which includes at least a first plurality of spine switches, interconnected by a control channel, and a second plurality of edge switches having internal ports coupled to communicate via respective links with the spine switches and external ports for connecting to client devices. The spine switches are configured to detect, via the control channel, a partitioning of the hierarchical network into first and second partitions, including respective first and second numbers of the spine switches, wherein the first number is greater than the second number, and to assign respective priorities to the spine switches responsively to the first and second numbers so as to cause the larger of the partitions to be elected as a spanning tree root.

摘要翻译： 通信设备包括交换机的分层网络，其包括由控制信道互连的至少第一多个脊交换机，以及第二多个边缘交换机，其具有耦合以经由相应链路与脊柱交换机和外部端口进行通信的内部端口， 连接到客户端设备。 脊柱交换机被配置为经由控制信道来检测分层网络到第一和第二分区的划分，包括相应的第一和第二数量的脊柱交换机，其中第一个数字大于第二个数字，并且分配 响应于第一个和第二个数字，脊柱交换机的各个优先级切换，以便使更大的分区被选为生成树根。

公开(公告)号：US07843931B1

公开(公告)日：2010-11-30

申请号：US12140203

申请日：2008-06-16

申请人： Tal Anker ,  Alon Harel ,  Shlomo Pangratz

发明人： Tal Anker ,  Alon Harel ,  Shlomo Pangratz

IPC分类号： H04L12/56

CPC分类号： H04L12/1881 ,  H04L45/304 ,  H04L49/35 ,  H04L67/1097

摘要： A method for identifying and prioritizing iSCSI traffic in an IP network. At least one iSCSI-aware switch which receives information identifying an iSCSI session, e.g., its iSCSI target port or IP address, may multicast such identifying information to let a second iSCSI-aware switch in the IP network know the information about the iSCSI session. The second iSCSI-aware switch may update its memory, software and hardware, so as to track the iSCSI session when the iSCSI session passes through it and give it priority over other network traffic.

摘要翻译： 一种用于识别IP网络中iSCSI流量的方法。 至少一个接收识别iSCSI会话的信息（例如其iSCSI目标端口或IP地址）的iSCSI感知交换机可以将这种识别信息进行多播，以使得IP网络中的第二个iSCSI感知交换机知道有关iSCSI会话的信息。 第二个iSCSI感知交换机可以更新其内存，软件和硬件，以便在iSCSI会话通过它时跟踪iSCSI会话，并优先于其他网络流量。

公开(公告)号：US20110293042A1

公开(公告)日：2011-12-01

申请号：US13118625

申请日：2011-05-31

申请人： Isaac ROSENHOUSE ,  Alon Harel

发明人： Isaac ROSENHOUSE ,  Alon Harel

IPC分类号： H04L27/00

CPC分类号： H04L25/0232 ,  H04L25/0236 ,  H04L27/0014

摘要： A method for a receiver to estimate phase of a carrier wave, including receiving a carrier wave carrying pilot symbols and data symbols extending between the pilot symbols, determining phase of the carrier wave at received pilot symbols, and interpolating the phase of the carrier wave at points between pilot symbols based, at least in part, on an estimated phase of demodulated data symbols. Apparatus for estimate phase of a carrier wave, including a unit for determining phase of the carrier wave at received pilot symbols, and a unit for interpolating the phase of the carrier wave at points between pilot symbols based, at least in part, on an estimated phase of demodulated data symbols. Related apparatus and methods are also described.

摘要翻译： 一种用于估计载波相位的接收机的方法，包括：接收携带导频符号的载波和在导频符号之间延伸的数据符号，确定接收到的导频符号处的载波的相位，并将载波的相位内插 至少部分地基于解调数据符号的估计相位，导频符号之间的点。 用于估计载波相位的装置，包括用于确定接收到的导频符号的载波相位的单元，以及用于在导频符号之间的点处内插载波的相位的单元，至少部分地基于估计的 解调数据符号的相位。 还描述了相关装置和方法。

公开(公告)号：US08000336B2

公开(公告)日：2011-08-16

申请号：US12426970

申请日：2009-04-21

申请人： Alon Harel

发明人： Alon Harel

IPC分类号： G01R31/08 ,  H04L12/08

CPC分类号： H04L12/462 ,  H04L45/04 ,  H04L45/48

摘要： Communication apparatus includes a hierarchical network of switches, which includes at least a first plurality of spine switches, interconnected by a control channel, and a second plurality of edge switches having internal ports coupled to communicate via respective links with the spine switches and external ports for connecting to client devices. The spine switches are configured to detect, via the control channel, a partitioning of the hierarchical network into first and second partitions, including respective first and second numbers of the spine switches, wherein the first number is greater than the second number, and to assign respective priorities to the spine switches responsively to the first and second numbers so as to cause the larger of the partitions to be elected as a spanning tree root.

摘要翻译： 通信设备包括交换机的分层网络，其包括由控制信道互连的至少第一多个脊交换机，以及第二多个边缘交换机，其具有耦合以经由相应链路与脊柱交换机和外部端口进行通信的内部端口， 连接到客户端设备。 脊柱交换机被配置为经由控制信道来检测分层网络到第一和第二分区的划分，包括相应的第一和第二数量的脊柱交换机，其中第一个数字大于第二个数字，并且分配 响应于第一个和第二个数字，脊柱交换机的各个优先级切换，以便使更大的分区被选为生成树根。