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1. 发明授权

US08451842B2 Media access control bridging in a mesh network 有权
标题翻译：媒体访问控制桥接网状网络
公开(公告)号：US08451842B2
公开(公告)日：2013-05-28
申请号：US12762659
申请日：2010-04-19
申请人： T. Benjamin Mack-Crane , Robert Sultan , Linda Dunbar
发明人： T. Benjamin Mack-Crane , Robert Sultan , Linda Dunbar
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/4625 , H04L49/3009 , H04L49/354
摘要： A network comprising a switch configured to learn a source address (SA) for a source node with a source port that receives a frame comprising the SA if the SA is not previously learned on another port and to subsequently forward any frame comprising a destination address (DA) for a destination node that matches the learned SA on the source port associated with the SA. A network comprising a switch configured to flood a frame received on a receiving port if the frame comprises a DA that is not previously learned on a source port and to distinguish the flooded frame from other forwarded frames by labeling the flooded frame, wherein the frame is flooded on a plurality of ports. A method comprising disabling a plurality of filtering database (FDB) entries that correspond to a plurality of addresses that are associated with a port, and sending the addresses in a control frame.
摘要翻译：一种网络，包括：交换机，被配置为：如果所述SA先前未在另一端口上学习并且随后转发包括目的地地址的任何帧，则学习源节点的源地址（SA）具有接收包括SA的帧的源端口（ DA）用于与SA相关联的源端口上学习的SA匹配的目的节点。一种网络，包括：如果所述帧包括先前在源端口上学习的DA并且通过标记所述淹没的帧来区分所述淹没帧与其他转发帧，则将所述帧配置为洪泛接收在接收端口上的帧，淹没在多个端口上。一种方法，包括禁用对应于与端口相关联的多个地址的多个过滤数据库（FDB）条目，以及在控制帧中发送所述地址。

2. 发明授权

US08442072B2 Method of preventing transport leaks in hybrid switching networks by extension of the link layer discovery protocol (LLDP) 有权
标题翻译：通过扩展链路层发现协议（LLDP）来防止混合交换网络中的传输泄漏的方法
公开(公告)号：US08442072B2
公开(公告)日：2013-05-14
申请号：US12057190
申请日：2008-03-27
申请人： Robert Sultan , Linda Dunbar , Lucy Yong , T. Benjamin Mack-Crane
发明人： Robert Sultan , Linda Dunbar , Lucy Yong , T. Benjamin Mack-Crane
IPC分类号： H04J3/24
CPC分类号： H04L12/4641 , Y02D30/30
摘要： An apparatus comprising a processor configured to implement a method comprising receiving a first data structure comprising a first virtual local area network identifier (VID) and a first forwarding type, comparing the first VID and a first forwarding type with a second VID and a second forwarding type in a second data structure, and reporting a misprovisioned data structure if the first VID is the same as the second VID and the first forwarding type is not the same as the second forwarding type. Also disclosed is a method comprising implementing a network protocol to forward provisioning information in a plurality of VID Tables corresponding to a plurality of nodes, and analyzing the provisioning information to detect misprovisioned nodes.
摘要翻译：一种装置，包括：处理器，被配置为实现一种方法，包括：接收包括第一虚拟局域网标识符（VID）和第一转发类型的第一数据结构，将所述第一VID和第一转发类型与第二VID和第二转发键入第二数据结构，并且如果第一VID与第二VID相同并且第一转发类型与第二转发类型不相同，则报告错误配置的数据结构。还公开了一种方法，包括实现网络协议以在与多个节点相对应的多个VID表中转发提供信息，并且分析供应信息以检测被错误的节点。

3. 发明授权

US08140654B2 Verifying management virtual local area network identifier provisioning consistency 有权
标题翻译：验证管理虚拟局域网标识符配置的一致性
公开(公告)号：US08140654B2
公开(公告)日：2012-03-20
申请号：US12057566
申请日：2008-03-28
申请人： Robert Sultan , Linda Dunbar , Lucy Yong , T. Benjamin Mack-Crane
发明人： Robert Sultan , Linda Dunbar , Lucy Yong , T. Benjamin Mack-Crane
IPC分类号： G06F15/16
CPC分类号： H04L12/4641 , H04L41/0213 , H04L41/0806 , H04L41/0863 , H04L41/0866 , Y02D30/30
摘要： A communications network, comprising a plurality of nodes supporting connection-oriented traffic and connectionless traffic, wherein management traffic between the nodes is propagated as connectionless traffic having a unique management traffic Virtual Local Area Network (VLAN) identifier (VID), and wherein at least one node is configured to perform a Link Layer Discovery Protocol (LLDP) exchange operation to enable detection of inconsistent provisioning of the Management VID in at least one node. Also disclosed is a communications network component, comprising logic that enables connection-oriented traffic and VLAN-based connectionless traffic, wherein the logic propagates management messages as VLAN-based connectionless traffic having a management VID, and wherein the logic enables detection of inconsistent management VIDs in a network.
摘要翻译：一种通信网络，包括支持面向连接的流量和无连接流量的多个节点，其中节点之间的管理流量作为具有唯一管理流量虚拟局域网（VLAN）标识符（VID）的无连接流量传播，并且其中至少一个节点被配置为执行链路层发现协议（LLDP）交换操作，以便能够检测至少一个节点中的管理VID的不一致的提供。还公开了一种通信网络组件，其包括启用面向连接的业务和基于VLAN的无连接业务的逻辑，其中所述逻辑将管理消息作为具有管理VID的基于VLAN的无连接业务传播，并且其中所述逻辑能够检测不一致的管理VID 在网络中。

4. 发明申请

US20120014387A1 Virtual Layer 2 and Mechanism to Make it Scalable 有权
标题翻译：虚拟层2和机制使其可扩展
公开(公告)号：US20120014387A1
公开(公告)日：2012-01-19
申请号：US13118269
申请日：2011-05-27
申请人： Linda Dunbar , T. Benjamin Mack-Crane , Susan Hares , Robert Sultan , Peter Ashwood-Smith , Guoli Yin
发明人： Linda Dunbar , T. Benjamin Mack-Crane , Susan Hares , Robert Sultan , Peter Ashwood-Smith , Guoli Yin
IPC分类号： H04L12/56
CPC分类号： H04L12/4633 , H04L12/462 , H04L12/4625 , H04L12/4641 , H04L12/4675 , H04L12/66 , H04L29/12028 , H04L41/12 , H04L45/02 , H04L45/66 , H04L61/103
摘要： An apparatus comprising a service network and a plurality of Layer 2 networks at a plurality of different physical locations coupled to the service network via a plurality of edge nodes at the Layer 2 networks, wherein the edge nodes are configured to maintain a plurality of Internet Protocol (IP) addresses of a plurality of hosts across the Layer 2 networks, and wherein the IP addresses of the hosts in each of the Layer 2 networks are mapped by the other Layer 2 networks to a Media Access Control (MAC) address of each of the edge nodes in the same Layer 2 networks of the hosts.
摘要翻译：一种包括服务网络和多个不同物理位置处的多个第2层网络的装置，其经由第2层网络上的多个边缘节点耦合到服务网络，其中边缘节点被配置为维持多个互联网协议（IP）地址，并且其中每个第2层网络中的主机的IP地址被其他第2层网络映射到每个网络的媒体访问控制（MAC）地址主机的相同二层网络中的边缘节点。

5. 发明申请

US20120027014A1 Transport Multiplexer-Mechanisms to Force Ethernet Traffic From One Domain to Be Switched in a Different (External) Domain 有权
标题翻译：传输多路复用器机制来强制从一个域切换到不同（外部）域中的以太网业务
公开(公告)号：US20120027014A1
公开(公告)日：2012-02-02
申请号：US13252612
申请日：2011-10-04
申请人： T. Benjamin Mack-Crane , Linda Dunbar , Robert Sultan , Lucy Yong
发明人： T. Benjamin Mack-Crane , Linda Dunbar , Robert Sultan , Lucy Yong
IPC分类号： H04L12/56
CPC分类号： H04L12/4666 , H04L49/354
摘要： A network comprising a switch configured to switch traffic between a plurality of external interfaces via a plurality of virtual interfaces associated with the external interfaces, and wherein the traffic comprises a plurality of external virtual local area network (VLAN) identifiers (VIDs) associated with the external interfaces to select the virtual interfaces. Also disclosed is a network component comprising at least one processor configured to implement a method comprising receiving a frame from a physical port, obtaining an external VID from a VLAN tag in the frame, removing the VLAN tag from the frame, selecting a virtual interface based on the external VID, and delivering the frame to the selected virtual interface.
摘要翻译：一种网络，包括被配置为经由与所述外部接口相关联的多个虚拟接口在多个外部接口之间切换业务的交换机，并且其中所述业务包括与所述外部接口相关联的多个外部虚拟局域网（VLAN）标识符（VID）外部接口选择虚拟接口。还公开了一种网络组件，包括至少一个处理器，其被配置为实现一种方法，该方法包括从物理端口接收帧，从帧中的VLAN标签获取外部VID，从帧中移除VLAN标签，选择基于虚拟接口的在外部VID上，并将帧传递到所选择的虚拟接口。

6. 发明授权

US07969888B2 Data communications network for the management of an ethernet transport network 有权
标题翻译：用于管理以太网传输网络的数据通信网络
公开(公告)号：US07969888B2
公开(公告)日：2011-06-28
申请号：US12057426
申请日：2008-03-28
申请人： Robert Sultan , Linda Dunbar , T. Benjamin Mack-Crane , Lucy Yong
发明人： Robert Sultan , Linda Dunbar , T. Benjamin Mack-Crane , Lucy Yong
IPC分类号： G01R31/08 , G06F11/00 , H04L12/28 , H04L12/56
CPC分类号： H04L12/4641 , H04L41/0213 , H04L41/0803 , Y02D30/30 , Y02D30/32
摘要： A communications network comprising a plurality of nodes supporting connection-oriented traffic and connectionless traffic, wherein management traffic between the nodes is propagated as connectionless traffic having a common management identifier. Also disclosed is a communications network component comprising logic that supports connection-oriented traffic and Virtual Local Area Network (VLAN)-based connectionless traffic, wherein the logic propagates management messages as VLAN-based connectionless traffic having a unique VLAN identifier (VID). Included is a communications network component comprising at least one processor configured to implement a method comprising provisioning a unique VID for management messages, and selectively propagating management messages with the unique VID.
摘要翻译：一种通信网络，包括支持面向连接的业务和无连接业务的多个节点，其中节点之间的管理业务被传播为具有公共管理标识符的无连接业务。还公开了一种通信网络组件，其包括支持面向连接的业务和基于虚拟局域网（VLAN）的无连接业务的逻辑，其中逻辑将管理消息作为具有唯一VLAN标识符（VID）的基于VLAN的无连接业务传播。包括的通信网络组件包括至少一个处理器，其被配置为实现包括为管理消息提供唯一VID的方法，以及选择性地传播具有唯一VID的管理消息。

7. 发明申请

US20100272108A1 Media Access Control Bridging in a Mesh Network 有权
标题翻译：网状网络中的媒体访问控制桥接
公开(公告)号：US20100272108A1
公开(公告)日：2010-10-28
申请号：US12762659
申请日：2010-04-19
申请人： T. Benjamin Mack-Crane , Robert Sultan , Linda Dunbar
发明人： T. Benjamin Mack-Crane , Robert Sultan , Linda Dunbar
IPC分类号： H04L12/56
CPC分类号： H04L12/4625 , H04L49/3009 , H04L49/354
摘要： A network comprising a switch configured to learn a source address (SA) for a source node with a source port that receives a frame comprising the SA if the SA is not previously learned on another port and to subsequently forward any frame comprising a destination address (DA) for a destination node that matches the learned SA on the source port associated with the SA. A network comprising a switch configured to flood a frame received on a receiving port if the frame comprises a DA that is not previously learned on a source port and to distinguish the flooded frame from other forwarded frames by labeling the flooded frame, wherein the frame is flooded on a plurality of ports. A method comprising disabling a plurality of filtering database (FDB) entries that correspond to a plurality of addresses that are associated with a port, and sending the addresses in a control frame.
摘要翻译：一种网络，包括：交换机，被配置为：如果所述SA先前未在另一端口上学习并且随后转发包括目的地地址的任何帧，则学习源节点的源地址（SA）具有接收包括SA的帧的源端口（ DA）用于与SA相关联的源端口上学习的SA匹配的目的节点。一种网络，包括：如果所述帧包括先前在源端口上学习的DA并且通过标记所述淹没的帧来区分所述淹没帧与其他转发帧，则将所述帧配置为洪泛接收在接收端口上的帧，淹没在多个端口上。一种方法，包括禁用对应于与端口相关联的多个地址的多个过滤数据库（FDB）条目，以及在控制帧中发送所述地址。

8. 发明授权

US09014054B2 Layer two over multiple sites 有权
标题翻译：多个网站的第二层
公开(公告)号：US09014054B2
公开(公告)日：2015-04-21
申请号：US13172554
申请日：2011-06-29
申请人： Linda Dunbar , Susan Hares , T. Benjamin Mack-Crane , Robert Sultan , Peter Ashwood-Smith , Guoli Yin
发明人： Linda Dunbar , Susan Hares , T. Benjamin Mack-Crane , Robert Sultan , Peter Ashwood-Smith , Guoli Yin
IPC分类号： H04L12/28 , H04L29/12 , H04L12/46 , H04L12/721
CPC分类号： H04L45/66 , H04L12/462 , H04L12/4633 , H04L12/4641 , H04L12/66 , H04L29/12028 , H04L45/74 , H04L61/103
摘要： An apparatus comprising a service network, and a plurality of Layer 2 sites connected by the service network via a plurality of gateways, wherein the gateways are configured to map a plurality of Internet Protocol (IP) addresses of a plurality of hosts under a plurality of virtual local area networks (VLANs) in a plurality of Layer 2 sites to a plurality of addresses (e.g. MAC or others) of the corresponding gateways inform the other gateways in the other Layer 2 sites of the mapped IP addresses under each of the VLANs in the local Layer 2 sites, and forward data frames originated from the hosts in the local Layer 2 sites to the other gateways in the other Layer 2 sites when the data frames' destinations are residing in the other Layer 2 sites.
摘要翻译：一种包括服务网络和经由多个网关由服务网络连接的多个第二层站点的装置，其中，所述网关被配置为映射多个主机的多个互联网协议（IP）地址，多个第2层站点中的虚拟局域网（VLAN）到相应网关的多个地址（例如MAC或其他），通知每个VLAN下的映射IP地址的其他二层站点中的其他网关本地二层站点，以及当数据帧的目的地驻留在其他第二层站点时，将本地二层站点中的主机发送到其他第二层站点中的其他网关的转发数据帧。

9. 发明授权

US08351348B2 Value-adoption and value-translation for automatic provisioning of port parameters 有权
标题翻译：自动配置端口参数的价值采用和价值转换
公开(公告)号：US08351348B2
公开(公告)日：2013-01-08
申请号：US12252698
申请日：2008-10-16
申请人： T. Benjamin Mack-Crane , Linda Dunbar , Lucy Yong , Robert Sultan
发明人： T. Benjamin Mack-Crane , Linda Dunbar , Lucy Yong , Robert Sultan
IPC分类号： H04L12/28 , G06F15/177
CPC分类号： H04L47/10 , H04L47/24 , Y02D30/30
摘要： A network component comprising at least one processor configured to implement a method comprising receiving a message comprising a node's data value from the node, determining whether a local data value has been assigned, and adopting the node's data value as the local data value when the local data value has not been assigned. Also disclosed is a network component comprising a plurality of ports each configured to couple to a node via a link, a memory configured to store a port data value associated with at least some of the ports, and a processor coupled to the memory and the ports, wherein the processor is configured to access a node's data value in a message and adopt the node's data value as the port data value.
摘要翻译：一种网络组件，包括至少一个处理器，所述至少一个处理器被配置为实现一种方法，包括从所述节点接收包括节点的数据值的消息，确定是否已经分配了本地数据值，并且当所述本地数据值被本地数据值尚未分配。还公开了一种网络组件，其包括多个端口，每个端口被配置为经由链路耦合到节点，被配置为存储与至少一些端口相关联的端口数据值的存储器，以及耦合到存储器和端口的处理器，其中所述处理器被配置为访问消息中的节点的数据值，并采用所述节点的数据值作为所述端口数据值。

10. 发明授权

US08315260B2 Transport multiplexer-mechanisms to force ethernet traffic from one domain to be switched in a different (external) domain 有权
标题翻译：传输多路复用器 - 强制来自一个域的以太网流量在不同（外部）域中切换的机制
公开(公告)号：US08315260B2
公开(公告)日：2012-11-20
申请号：US13252612
申请日：2011-10-04
申请人： T. Benjamin Mack-Crane , Linda Dunbar , Robert Sultan , Lucy Yong
发明人： T. Benjamin Mack-Crane , Linda Dunbar , Robert Sultan , Lucy Yong
IPC分类号： H04L12/28
CPC分类号： H04L12/4666 , H04L49/354
摘要： A network comprising a switch configured to switch traffic between a plurality of external interfaces via a plurality of virtual interfaces associated with the external interfaces, and wherein the traffic comprises a plurality of external virtual local area network (VLAN) identifiers (VIDs) associated with the external interfaces to select the virtual interfaces. Also disclosed is a network component comprising at least one processor configured to implement a method comprising receiving a frame from a physical port, obtaining an external VID from a VLAN tag in the frame, removing the VLAN tag from the frame, selecting a virtual interface based on the external VID, and delivering the frame to the selected virtual interface.
摘要翻译：一种网络，包括被配置为经由与所述外部接口相关联的多个虚拟接口在多个外部接口之间切换业务的交换机，并且其中所述业务包括与所述外部接口相关联的多个外部虚拟局域网（VLAN）标识符（VID）外部接口选择虚拟接口。还公开了一种网络组件，包括至少一个处理器，其被配置为实现一种方法，该方法包括从物理端口接收帧，从帧中的VLAN标签获取外部VID，从帧中移除VLAN标签，选择基于虚拟接口的在外部VID上，并将帧传递到所选择的虚拟接口。

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