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公开(公告)号：US07869376B2
公开(公告)日：2011-01-11
申请号：US11595684
申请日：2006-11-10
CPC分类号： H04L43/0817 , H04L41/0213 , H04L41/06 , H04L43/0811 , Y02D30/30
摘要： This document describes tools that communicate an operational state of a transport service. The transport service provides connectivity between two or more networks, enabling the networks to exchange packets. The tools detect an operational state of a transport service. After doing so, the tools may convey the operational state of the transport service to at least one of the networks through a user-to-network interface port of a network interface device, send a message to a network interface device requesting that the network interface device convey the operational state to a network connected to the network interface device, or configure a network interface device to communicate the operational state.
摘要翻译： 本文档描述了传达运输服务的运行状态的工具。 传输服务提供两个或多个网络之间的连接，使网络能够交换数据包。 这些工具检测运输服务的运行状态。 在这样做之后，工具可以通过网络接口设备的用户到网络接口端口将传输服务的操作状态传达给至少一个网络，向网络接口设备发送消息，请求网络接口 设备将操作状态传送到连接到网络接口设备的网络，或者配置网络接口设备以通信操作状态。
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公开(公告)号：US08400912B2
公开(公告)日：2013-03-19
申请号：US11769514
申请日：2007-06-27
IPC分类号： G01R31/08
CPC分类号： H04L12/4633 , H04L45/22 , H04L45/24 , H04L2212/00
摘要： Packet switch operating methods and packet switches receive, at a packet switch, a control packet from another packet switch. The packet switch and the other packet switch are coupled together by two or more tunnels. The control packet indicates that a particular one of the tunnels is active on the other packet switch. In response, the packet switch operating methods and packet switches activate the particular tunnel indicated by the received control packet on the packet switch.
摘要翻译： 分组交换机操作方法和分组交换机在分组交换机处接收来自另一分组交换机的控制分组。 分组交换机和其他分组交换机通过两个或更多个隧道耦合在一起。 控制分组指示特定一个隧道在另一个分组交换机上是活动的。 作为响应，分组交换机操作方法和分组交换机激活分组交换机上接收到的控制分组指示的特定隧道。
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公开(公告)号：US08416789B1
公开(公告)日：2013-04-09
申请号：US11671415
申请日：2007-02-05
IPC分类号： H04L12/28
CPC分类号： H04L12/462 , H04L12/4658 , H04L12/4662
摘要： Packet switch operating methods and packet switches receive an Ethernet packet including a customer destination address and select one of a plurality of packet tunnel identifiers based on the customer destination address. The packet switch then modifies the received Ethernet packet by adding the selected packet tunnel identifier and forwards the modified packet to a packet tunnel associated with the selected packet tunnel identifier. Other methods and packet switches receive Ethernet packets including a same service virtual local area network identifier value from a first Ethernet network and forward one of the received Ethernet packets to a second Ethernet network via a first packet tunnel and forward another of the received Ethernet packets to a third Ethernet network via a second packet tunnel. Packet tunnel networks including Ethernet provider networks and edge bridges fully connected by packet tunnels having two endpoints.
摘要翻译： 分组交换机操作方法和分组交换机接收包括客户目的地地址的以太网分组，并根据客户目的地址选择多个分组隧道标识符之一。 然后分组交换机通过添加所选择的分组隧道标识符来修改所接收的以太网分组，并将修改的分组转发到与所选分组隧道标识符相关联的分组隧道。 其他方法和分组交换机从第一以太网网络接收包括相同服务虚拟局域网标识符值的以太网分组，并且经由第一分组隧道将接收的以太网分组中的一个转发到第二以太网，并将接收到的以太网分组中的另一个转发到 经由第二分组隧道的第三以太网网络。 分组隧道网络，包括以太网提供商网络和边缘网桥，通过具有两个端点的分组隧道完全连接。
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4.发明申请Virtual Switching Using a Provisional Identifier to Conceal a User Identifier 有权使用临时标识符隐藏用户标识符进行虚拟交换公开(公告)号：US20100098098A1
公开(公告)日：2010-04-22
申请号：US12646682
申请日：2009-12-23
IPC分类号： H04L12/56
CPC分类号： H04L12/465 , H04L12/4666 , H04L49/3009 , H04L49/505 , H04L49/70
摘要： This document describes tools useful in relaying a data stream from a data device to a network tunnel, such as by enabling virtual switching using a provisional identifier to conceal a user identifier. These tools, for example, may use an inexpensive switch module to create virtual switch instances. To do so, the tools may assign data packets to a virtual switch instance by mapping the data packets to a particular provisional identifier and then modifying the data packets to include the provisional identifier. The switch module may then forward the data packets based on the provisional identifier rather than on the user identifier. The tools may remove the provisional identifier before forwarding the data packets to a destination.
摘要翻译： 本文档描述了将数据流从数据设备中继到网络隧道有用的工具，例如通过启用使用临时标识符进行虚拟交换来隐藏用户标识符。 例如，这些工具可以使用廉价的交换机模块来创建虚拟交换机实例。 为此，工具可以通过将数据分组映射到特定的临时标识符然后修改数据分组以包括临时标识符来将数据分组分配给虚拟交换机实例。 然后，交换机模块可以基于临时标识符而不是用户标识符来转发数据分组。 这些工具可以在将数据包转发到目的地之前删除临时标识符。
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公开(公告)号：US08379676B1
公开(公告)日：2013-02-19
申请号：US11421764
申请日：2006-06-01
CPC分类号： H04L12/4666
摘要： This document describes tools useful in relaying a data stream from a data device to a network tunnel, such as by injecting in-band control messages without impacting a data rate. For example, the tools may receive data packets on a first link and then relay the data packets to a data device on a second link. While doing so, the tools may periodically free an amount of link time by reducing the length of the relayed data packets by reducing the length of a header of each data packet. The tools may then consume the freed link time by sending a control message on the second link to the data device.
摘要翻译： 本文档描述了将数据流从数据设备中继到网络隧道有用的工具，例如通过在不影响数据速率的情况下注入带内控制消息。 例如，工具可以在第一链路上接收数据分组，然后将数据分组中继到第二链路上的数据设备。 在这样做时，工具可以通过减少每个数据分组的报头的长度来减少中继的数据分组的长度来周期性地消除链接时间量。 然后，工具可以通过在到数据设备的第二链路上发送控制消息来消耗释放的链接时间。
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公开(公告)号：US08279752B1
公开(公告)日：2012-10-02
申请号：US11769531
申请日：2007-06-27
IPC分类号： G01R31/08
CPC分类号： H04L12/4633
摘要： Packet switch operating methods and packet switches detect, at a packet switch, a change in a first tunnel's ability to relay packets between the packet switch and another packet switch and, in response, send a control packet to the other packet switch. The control packet indicates a particular one of the tunnels is active on the packet switch. The packet switches are coupled together by the first tunnel and a second tunnel. A packet switch network includes a first packet switch and a second packet switch both configured to recognize disagreement regarding which one of a first tunnel and a second tunnel is active and which one is inactive in response to receiving control packets from each other and resolve the disagreement so that a particular one of the first tunnel and the second tunnel is active according to both the first packet switch and the second packet switch.
摘要翻译： 分组交换机操作方法和分组交换机在分组交换机中检测第一隧道在分组交换机与另一分组交换机之间转发分组的能力的变化，并且作为响应，向另一分组交换机发送控制分组。 控制分组指示特定的一个隧道在分组交换机上是活动的。 分组交换机通过第一隧道和第二隧道耦合在一起。 分组交换网络包括第一分组交换机和第二分组交换机，其被配置为识别关于第一隧道和第二隧道中的哪一个是活动的响应以及响应于彼此接收到控制分组而不活动的一个而解决分歧 使得第一隧道和第二隧道中的特定一个根据第一分组交换机和第二分组交换机都是活动的。
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公开(公告)号：US07835297B2
公开(公告)日：2010-11-16
申请号：US11771746
申请日：2007-06-29
CPC分类号： H04L41/082 , H04L41/06 , H04L43/0811 , Y02D30/30
摘要： Element managers and processes retrieve information from a first packet switch. The information is derived from layer-two (data link layer) control packets relayed from a second packet switch to the first packet switch via a tunnel. The layer-two control packets conform to a layer-two control protocol. Based at least in part on the retrieved information, the element managers and processes determine that the tunnel is configured to relay layer-two control packets conforming to the layer-two control protocol despite a desired tunnel configuration specifying that the tunnel should not be configured to relay layer-two control packets conforming to the layer-two control protocol. Element managers and processes may alternatively or additionally detect other discrepancies between the desired tunnel configuration and the tunnel.
摘要翻译： 元素管理器和进程从第一个分组交换机检索信息。 该信息是从第二层（数据链路层）控制数据包转发到第一个数据包交换机通过一个隧道导出的。 第二层控制报文符合二层控制协议。 至少部分地基于检索到的信息，元素管理器和过程确定隧道被配置为中继符合第二层控制协议的二层控制分组，尽管所需的隧道配置指定隧道不应被配置为 中继层二级控制报文符合二层控制协议。 元件管理器和过程可以替代地或附加地检测期望的隧道配置和隧道之间的其他差异。
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公开(公告)号：US07693164B1
公开(公告)日：2010-04-06
申请号：US11671408
申请日：2007-02-05
IPC分类号： H04L12/28 , G06F15/173
CPC分类号： H04L12/4658 , H04L12/4633 , H04L12/4654 , H04L12/4662 , H04L12/4687
摘要： Packet tunnel network configuration methods, management system operation methods, and management systems receive a request to enable layer-two Ethernet communication between service virtual local area networks via edge bridges fully connected by packet tunnels. The packet tunnel network configuration methods, management system operation methods, and management systems direct the edge bridges to establish the packet tunnels and modify Ethernet packets received from the service virtual local area networks by adding an instance service identifier and a tunnel identifier to the received Ethernet packets.
摘要翻译： 分组隧道网络配置方法，管理系统操作方法和管理系统接收到通过分组隧道完全连接的边缘网桥在业务虚拟局域网之间实现二层以太网通信的请求。 分组隧道网络配置方法，管理系统操作方法和管理系统直接通过边缘网桥建立分组隧道，并通过向接收到的以太网添加实例业务标识符和隧道标识，修改从业务虚拟局域网接收到的以太网数据包 数据包
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9.发明授权Virtual switching using a provisional identifier to conceal a user identifier 有权虚拟交换使用临时标识符来隐藏用户标识符公开(公告)号：US07961728B2
公开(公告)日：2011-06-14
申请号：US12646682
申请日：2009-12-23
CPC分类号： H04L12/465 , H04L12/4666 , H04L49/3009 , H04L49/505 , H04L49/70
摘要： This document describes tools useful in relaying a data stream from a data device to a network tunnel, such as by enabling virtual switching using a provisional identifier to conceal a user identifier. These tools, for example, may use an inexpensive switch module to create virtual switch instances. To do so, the tools may assign data packets to a virtual switch instance by mapping the data packets to a particular provisional identifier and then modifying the data packets to include the provisional identifier. The switch module may then forward the data packets based on the provisional identifier rather than on the user identifier. The tools may remove the provisional identifier before forwarding the data packets to a destination.
摘要翻译： 本文档描述了将数据流从数据设备中继到网络隧道有用的工具，例如通过启用使用临时标识符进行虚拟交换来隐藏用户标识符。 例如，这些工具可以使用廉价的交换机模块来创建虚拟交换机实例。 为此，工具可以通过将数据分组映射到特定的临时标识符然后修改数据分组以包括临时标识符来将数据分组分配给虚拟交换机实例。 然后，交换机模块可以基于临时标识符而不是用户标识符来转发数据分组。 这些工具可以在将数据包转发到目的地之前删除临时标识符。
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公开(公告)号：US07778201B2
公开(公告)日：2010-08-17
申请号：US11771620
申请日：2007-06-29
IPC分类号： H04L12/28
摘要： Element managers and processes receive, from a selected network element, first neighbor information describing a first neighboring network element directly connected to the selected network element and second neighbor information describing a different second neighboring network element directly connected to the selected network element. Based at least in part on the first neighbor information and the second neighbor information, the element managers and processes determine that the first neighboring network element is a logical neighbor that is connected by a tunnel to the selected network element and is coupled to the selected network element via one or more intermediate packet switches.
摘要翻译： 元素管理器和进程从所选择的网络元件接收描述直接连接到所选择的网络元件的第一相邻网络元件的第一邻居信息，以及描述直接连接到所选择的网络元件的不同的第二相邻网络元件的第二邻居信息。 至少部分地基于第一邻居信息和第二邻居信息，元素管理器和过程确定第一相邻网络元件是通过隧道连接到所选择的网络元件并被耦合到所选网络的逻辑邻居 元件经由一个或多个中间分组交换机。
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