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1. 发明授权

US08009684B2 High capacity ring communication network 有权
标题翻译：高容量环通信网络
公开(公告)号：US08009684B2
公开(公告)日：2011-08-30
申请号：US12897341
申请日：2010-10-04
申请人： David Zelig , Leon Bruckman , Ronen Solomon , Gideon Agmon , Vladimir Kleiner
发明人： David Zelig , Leon Bruckman , Ronen Solomon , Gideon Agmon , Vladimir Kleiner
IPC分类号： H04L12/56
CPC分类号： H04L12/4637
摘要： A method for communication includes configuring a plurality of ring nodes to communicate over a communication network that includes two or more overlapping communication rings, each ring including two unidirectional ringlets in mutually-opposite directions. A data packet including one or more header fields is accepted at an ingress ring node. An egress ring node to which the data packet is to be forwarded by the ingress ring node is determined. A subset of the rings including one or more common rings that are connected to both the ingress and egress ring nodes is identified. A ringlet of a ring among the one or more common rings is selected responsively to a respective value of at least one of the header fields of the packet. The data packet is forwarded from the ingress ring node to the egress ring node over the selected ringlet.
摘要翻译：一种用于通信的方法包括：配置多个环形节点，以通过包括两个或更多个重叠通信环的通信网络进行通信，每个环包括相互相反方向的两个单向小波。在入口环节点处接收包括一个或多个报头字段的数据分组。确定由入口环节点转发数据分组的出口环节点。识别包括连接到入口和出口环节点的一个或多个公共环的环的子集。响应于分组的报头字段的至少一个的相应值选择一个或多个公共环中的环的小环。数据分组从入口环节点转发到所选小环的出口环节点。

2. 发明申请

US20110083146A1 DEVICE, METHOD AND SYSTEM FOR MEDIA PACKET DISTRIBUTION 有权
标题翻译：用于媒体分发的设备，方法和系统
公开(公告)号：US20110083146A1
公开(公告)日：2011-04-07
申请号：US12738080
申请日：2008-10-22
申请人： Leon Bruckman , Eli Aloni , David Zelig , Gal Mor
发明人： Leon Bruckman , Eli Aloni , David Zelig , Gal Mor
IPC分类号： H04N7/173 , H04N7/10
CPC分类号： H04L65/4076 , H04L65/4069 , H04L65/60 , H04N21/2668 , H04N21/4384 , H04N21/6405 , H04N21/6408 , H04N21/812 , H04W72/005
摘要： There is provided a method device and system for streaming media content to a media presentation appliance. There may be provided an appliance specific media stream generator adapted to derive an appliance specific stream from a multicast media stream. The generator may convert a multicast media stream addressed to a set of media presentation appliances into either (1) one or more unicast media streams, wherein each unicast media stream is addressed to a separate media presentation appliance; or (2) a multicast media stream addressed to a subset of the set of media presentation appliances. In both cases, the media content within the derived media stream may be substantially identical to the media content of the original multicast media stream. The generator may also introduce content (e.g. advertising) into the derived media stream(s).
摘要翻译：提供了一种用于将媒体内容流媒体呈现设备的方法设备和系统。可以提供适于从组播媒体流导出设备特定流的设备特定媒体流生成器。发送器可以将寻址到一组媒体呈现设备的多播媒体流转换为（1）一个或多个单播媒体流，其中每个单播媒体流被寻址到单独的媒体呈现设备; 或（2）寻址到该组媒体呈现设备的子集的多播媒体流。在这两种情况下，派生媒体流中的媒体内容可以与原始多播媒体流的媒体内容基本上相同。发生器还可以将内容（例如广告）引入到导出的媒体流中。

3. 发明申请

US20110069610A1 HIGH CAPACITY RING COMMUNICATION NETWORK 有权
标题翻译：高容量通信网络
公开(公告)号：US20110069610A1
公开(公告)日：2011-03-24
申请号：US12897341
申请日：2010-10-04
申请人： David Zelig , Leon Bruckman , Ronen Solomon , Gideon Agmon , Vladimir Kleiner
发明人： David Zelig , Leon Bruckman , Ronen Solomon , Gideon Agmon , Vladimir Kleiner
IPC分类号： H04L12/26 , H04L12/28
CPC分类号： H04L12/4637
摘要： A method for communication includes configuring a plurality of ring nodes to communicate over a communication network that includes two or more overlapping communication rings, each ring including two unidirectional ringlets in mutually-opposite directions. A data packet including one or more header fields is accepted at an ingress ring node. An egress ring node to which the data packet is to be forwarded by the ingress ring node is determined. A subset of the rings including one or more common rings that are connected to both the ingress and egress ring nodes is identified. A ringlet of a ring among the one or more common rings is selected responsively to a respective value of at least one of the header fields of the packet. The data packet is forwarded from the ingress ring node to the egress ring node over the selected ringlet.
摘要翻译：一种用于通信的方法包括：配置多个环形节点，以通过包括两个或更多个重叠通信环的通信网络进行通信，每个环包括相互相反方向的两个单向小波。在入口环节点处接收包括一个或多个报头字段的数据分组。确定由入口环节点转发数据分组的出口环节点。识别包括连接到入口和出口环节点的一个或多个公共环的环的子集。响应于分组的报头字段的至少一个的相应值选择一个或多个公共环中的环的小环。数据分组从入口环节点转发到所选小环的出口环节点。

4. 发明授权

US07660303B2 Point-to-multipoint functionality in a bridged network 有权
标题翻译：桥接网络中的点对多点功能
公开(公告)号：US07660303B2
公开(公告)日：2010-02-09
申请号：US11508599
申请日：2006-08-22
申请人： Ronen Solomon , Leon Bruckman , Rafi Ram , David Zelig , Shachar Katz
发明人： Ronen Solomon , Leon Bruckman , Rafi Ram , David Zelig , Shachar Katz
IPC分类号： H04L12/28
CPC分类号： H04L12/66 , H04L12/4641 , H04L63/0227 , H04L63/0272 , H04L63/162
摘要： A method for communication includes coupling a group of switches in a Layer-2 bridged network. The interfaces of the switches are configured so that at least one interface of at least one of the switches is configured as a first interface type, and a plurality of other interfaces are configured as a second interface type. Upon receiving frames through the interfaces of the first and second types for transmission over the network, the received frames are labeled with corresponding first and second type indications. The frames are forwarded through the Layer-2 bridged network using the switches responsively to the type indications. Frames labeled with the second type indication are permitted to be transmitted through the interfaces of the first type and prevented from being transmitted through the interfaces of the second type.
摘要翻译：一种用于通信的方法包括：在二层桥接网络中耦合一组交换机。交换机的接口被配置为使得至少一个交换机的至少一个接口被配置为第一接口类型，并且多个其他接口被配置为第二接口类型。在通过第一和第二类型的接口接收帧以便通过网络传输时，所接收的帧用对应的第一和第二类型指示标记。使用响应于类型指示的交换机，帧通过二层桥接网络转发。标有第二类型指示的帧被允许通过第一类型的接口发送，并且防止通过第二类型的接口发送。

5. 发明授权

US07593400B2 MAC address learning in a distributed bridge 有权
标题翻译：分布式桥梁中的MAC地址学习
公开(公告)号：US07593400B2
公开(公告)日：2009-09-22
申请号：US11419444
申请日：2006-05-19
申请人： David Zelig , Leon Bruckman , Ronen Solomon , Zeev Oster , David Rozenberg , Uzi Khill
发明人： David Zelig , Leon Bruckman , Ronen Solomon , Zeev Oster , David Rozenberg , Uzi Khill
IPC分类号： H04L12/54
CPC分类号： H04L12/4625 , H04L12/467 , H04L45/00 , H04L45/742 , H04L49/354
摘要： A method for communication includes configuring a network node having at least first and second line cards, the line cards having respective ports, to operate as a distributed media access control (MAC) bridge in a Layer 2 network. Each of the line cards has a respective forwarding database (FDB). Upon receiving a data packet on a port of the network node from a MAC source address, the data packet is conveyed to at least the first line card for transmission to the MAC destination address. The MAC source address of the data packet is checked against the records in the FDB of the first line card. If the FDB does not contain a record of an association of the MAC source address with the port on which the data packet was received, the record is added to the FDB of the first line card, which sends a message to at least the second line card informing the second line card of the association.
摘要翻译：一种用于通信的方法包括配置具有至少第一和第二线路卡的网络节点，所述线路卡具有相应的端口，以用作第二层网络中的分布式媒体访问控制（MAC）桥接。每个线路卡具有相应的转发数据库（FDB）。在从MAC源地址在网络节点的端口上接收到数据分组时，数据分组被传送到至少第一线路卡以传送到MAC目的地址。根据第一行卡的FDB中的记录检查数据包的MAC源地址。如果FDB不包含MAC源地址与接收数据包的端口的关联的记录，则该记录被添加到第一行卡的FDB，该FDB向至少第二行发送消息卡通知协会的第二线卡。

6. 发明授权

US07483399B2 Signaling MPLS over RPR rings 有权
标题翻译：在RPR环上通信MPLS
公开(公告)号：US07483399B2
公开(公告)日：2009-01-27
申请号：US10369953
申请日：2003-02-20
申请人： David Zelig , Leon Bruckman , Yoav Kotser
发明人： David Zelig , Leon Bruckman , Yoav Kotser
IPC分类号： H04L12/28
CPC分类号： H04L45/00 , H04L12/42 , H04L45/50
摘要： Explicit routing of network traffic over RPR rings using MPLS signaling techniques, including unnumbered links. A modified LSP_TUNNEL_INTERFACE_ID object is provided with a RPR IP address instead of the conventional LSR Router ID, and with a direction indicator in place of the conventional interface ID. A novel subobject is included in the ERO and RRO, which holds the RPR IP address of the sending node in place of the conventional router ID, and a direction indicator in place of the conventional interface ID. The network nodes inspect the directional indicator that is received in a path message or a Resv message to determine the direction in which traffic is to be sent and received in an explicit route.
摘要翻译：使用MPLS信令技术的RPR环网络流量的显式路由，包括无编号链路。修改后的LSP_TUNNEL_INTERFACE_ID对象具有RPR IP地址，而不是传统的LSR路由器ID，并具有方向指示符代替常规接口ID。 ERO和RRO中包含一个新颖的子对象，它保存发送节点的RPR IP地址来代替传统的路由器ID，代替常规接口ID的方向指示符。网络节点检查在路径消息或Resv消息中接收的方向指示符，以确定在明确路由中要发送和接收业务的方向。

7. 发明授权

US07339929B2 Virtual private LAN service using a multicast protocol 有权
标题翻译：使用组播协议的虚拟专用局域网服务
公开(公告)号：US07339929B2
公开(公告)日：2008-03-04
申请号：US10226525
申请日：2002-08-23
申请人： David Zelig , Leon Bruckman , Gal Mor , Zvi Menahemi
发明人： David Zelig , Leon Bruckman , Gal Mor , Zvi Menahemi
IPC分类号： H04L12/28
CPC分类号： H04L12/4641 , H04L12/1836 , H04L12/1886 , H04L12/462 , H04L12/4633 , H04L45/50
摘要： A method for data broadcast over a network includes receiving at a virtual bridge a data packet to be flooded over the network, and passing the data packet from the virtual bridge to a multicast-capable router, along with a broadcast indication. Responsive to the broadcast indication, the router determines a group of destination addresses to which the packet should be multicast, and creates copies of the packet for transmission over the network to the destination addresses in the group.
摘要翻译：一种用于通过网络进行数据广播的方法包括在虚拟网桥处接收要通过网络淹没的数据分组，以及将数据分组从虚拟网桥传送到具有多播能力的路由器以及广播指示。响应于广播指示，路由器确定分组应该被多播的一组目的地址，并且创建该分组的副本以通过网络传输到该组中的目的地地址。

8. 发明授权

US07336605B2 Bandwidth allocation for link aggregation 有权
标题翻译：链路聚合的带宽分配
公开(公告)号：US07336605B2
公开(公告)日：2008-02-26
申请号：US10436516
申请日：2003-05-13
申请人： Leon Bruckman , Gal Mor , Zvi Menahemi
发明人： Leon Bruckman , Gal Mor , Zvi Menahemi
IPC分类号： H04J13/06
CPC分类号： H04L47/10
摘要： A method for establishing a connection with a guaranteed bandwidth for transmitting data over a logical link that includes a plurality of parallel physical links between first and second endpoints. A link bandwidth is allocated on each of the physical communication links so as to include a predefined safety margin, based on either a failure protection policy, or a measure of fluctuation that occurs in a rate of data transmission over the physical links, or both. A sum of the allocated link bandwidth over the plurality of the parallel physical links is substantially greater than the guaranteed bandwidth of the connection. The data are conveyed over the logical link by distributing the data for transmission among the physical links in accordance with the allocated link bandwidth.
摘要翻译：一种用于建立与保证带宽的连接的方法，用于在包括第一和第二端点之间的多个并行物理链路的逻辑链路上传输数据。在每个物理通信链路上分配链路带宽，以便基于故障保护策略或在通过物理链路的数据传输速率中发生的波动的度量或两者来包括预定义的安全余量。多个并行物理链路中分配的链路带宽的总和明显大于连接的保证带宽。通过根据分配的链路带宽在物理链路之间分配用于传输的数据，在逻辑链路上传送数据。

9. 发明授权

US07983150B2 VPLS failure protection in ring networks 有权
标题翻译：环网中的VPLS故障保护
公开(公告)号：US07983150B2
公开(公告)日：2011-07-19
申请号：US11335770
申请日：2006-01-18
申请人： Leon Bruckman , Moran Roth , Ron Sdayoor
发明人： Leon Bruckman , Moran Roth , Ron Sdayoor
IPC分类号： H04J1/16 , H04L12/28
CPC分类号： H04L12/4641 , H04L12/437 , H04L12/462
摘要： A method for communication over a bi-directional ring network includes provisioning a virtual private local area network service (VPLS) over the bi-directional ring network. The VPLS includes connection termination points provisioned respectively on a plurality of the nodes so as to connect each of the plurality of the nodes to a second network external to the ring network. As long as the nodes and spans are fully operational, one or more of the connection termination points are maintained in a deactivated state, so that no more than one of the connection termination points to the second network is active. The nodes exchange messages indicative of a failure associated with the bi-directional ring network, causing at least one of the deactivated connection termination points to be activated so as to maintain connectivity among the users of the VPLS without creating a loop in the VPLS via the second network.
摘要翻译：一种用于通过双向环网通信的方法包括通过双向环网提供虚拟专用局域网服务（VPLS）。 VPLS包括分别在多个节点上提供的连接终止点，以便将多个节点中的每一个连接到环形网络外部的第二网络。只要节点和跨度完全可操作，则一个或多个连接终止点被维持在去激活状态，使得不超过一个到第二网络的连接终端点是活动的。节点交换指示与双向环网相关联的故障的消息，导致至少一个停用连接终端点被激活，以便维持VPLS的用户之间的连接，而不经由VPLS中的环路创建第二网络。

10. 发明授权

US07974223B2 Virtual private LAN service over ring networks 有权
标题翻译：环网上的虚拟专用局域网服务
公开(公告)号：US07974223B2
公开(公告)日：2011-07-05
申请号：US10993882
申请日：2004-11-19
申请人： David Zelig , Leon Bruckman , Ronen Solomon , Uzi Khill , Gal Mor
发明人： David Zelig , Leon Bruckman , Ronen Solomon , Uzi Khill , Gal Mor
IPC分类号： H04L12/28
CPC分类号： H04L45/50 , H04L12/42 , H04L12/462
摘要： A method for communication via a ring network that includes a plurality of nodes. The method includes receiving at a first node in the ring network a data packet transmitted over a virtual private LAN service (VPLS), the data packet including an identification of the VPLS. The first node reads the identification from the data packet. Responsively to reading the identification, the first node forwards the data packet to at least one second node in the ring network that is associated with the VPLS.
摘要翻译：一种用于经由包括多个节点的环网的通信的方法。该方法包括在环网中的第一节点处接收通过虚拟专用LAN服务（VPLS）发送的数据分组，所述数据分组包括VPLS的标识。第一个节点从数据包中读取标识。响应于读取标识，第一节点将数据分组转发到与VPLS相关联的环网中的至少一个第二节点。

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