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1. 发明申请

US20130173953A1 METHOD AND APPARATUS FOR RESTORING A CONNECTION THROUGH A PROVIDER NETWORK UPON REQUEST 有权
标题翻译：通过要求提供者网络恢复连接的方法和装置
公开(公告)号：US20130173953A1
公开(公告)日：2013-07-04
申请号：US13814414
申请日：2011-08-03
申请人： Gert Grammel , Lieven Levrau
发明人： Gert Grammel , Lieven Levrau
IPC分类号： G06F11/14
CPC分类号： G06F11/1415 , H04L41/0668 , H04L43/0811
摘要： A method and related apparatus are provided for restoring a connection through a provider network (PN). In particular, a connection is established along a path (P1) through the provider network (PN) for the transport of client traffic between two client network nodes (CR1, CR2) of a client network (CD1, CD2). Any restoration service for this connection is deactivated. However, when a failure (F1) is detected along the path (P1) which affects the connection, a path search is performed anyhow to determine a projected restoration path (P2) through the provider network (PN) available to restore said failed connection. In the case that the path search was successful and a projected restoration path (P2) was found, the availability of the projected restoration path (P2) is communicated (MS1, MS2) to the client network (CD1, CD2). The client can now decide whether to accept a temporary service upgrade to restoration service or not. Only after receipt of a confirmation (CM1, CM2) from said client network (CD1, CD2), a path restoration is performed to restore the failed connection over the projected restoration path (P2).
摘要翻译：提供了一种通过提供商网络（PN）恢复连接的方法和相关装置。特别地，沿着通过提供商网络（PN）的路径（P1）建立用于在客户端网络（CD1，CD2）的两个客户端网络节点（CR1，CR2）之间传送客户端业务的连接。禁用此连接的任何恢复服务。然而，当沿着影响连接的路径（P1）检测到故障（F1）时，执行路径搜索以通过可用于恢复所述故障连接的提供商网络（PN）来确定预测的恢复路径（P2）。在路径搜索成功并且找到预测的恢复路径（P2）的情况下，将预测的恢复路径（P2）的可用性传送到客户端网络（CD1，CD2）（MS1，MS2）。客户端现在可以决定是否接受对恢复服务的临时服务升级。只有在从所述客户端网络（CD1，CD2）接收到确认（CM1，CM2）之后，执行路径恢复以恢复所述投影恢复路径（P2）上的故障连接。

2. 发明授权

US09753805B2 Method and apparatus for restoring a connection through a provider network upon request 有权
公开(公告)号：US09753805B2
公开(公告)日：2017-09-05
申请号：US13814414
申请日：2011-08-03
申请人： Gert Grammel , Lieven Levrau
发明人： Gert Grammel , Lieven Levrau
IPC分类号： G06F11/14 , H04L12/24 , H04L12/26
CPC分类号： G06F11/1415 , H04L41/0668 , H04L43/0811
摘要： A method and related apparatus are provided for restoring a connection through a provider network (PN). In particular, a connection is established along a path (P1) through the provider network (PN) for the transport of client traffic between two client network nodes (CR1, CR2) of a client network (CD1, CD2). Any restoration service for this connection is deactivated. However, when a failure (F1) is detected along the path (P1) which affects the connection, a path search is performed anyhow to determine a projected restoration path (P2) through the provider network (PN) available to restore said failed connection. In the case that the path search was successful and a projected restoration path (P2) was found, the availability of the projected restoration path (P2) is communicated (MS1, MS2) to the client network (CD1, CD2). The client can now decide whether to accept a temporary service upgrade to restoration service or not. Only after receipt of a confirmation (CM1, CM2) from said client network (CD1, CD2), a path restoration is performed to restore the failed connection over the projected restoration path (P2).

3. 发明申请

US20120269093A1 Neighbor Discovery for Ethernet Private Line on User Network Interfaces 审中-公开
标题翻译：用户网络接口上的以太网专线的邻居发现
公开(公告)号：US20120269093A1
公开(公告)日：2012-10-25
申请号：US13515993
申请日：2010-12-09
申请人： Gert Grammel , Lieven Levrau
发明人： Gert Grammel , Lieven Levrau
IPC分类号： H04L12/28
CPC分类号： H04L41/12
摘要： The present invention relates to a network management method in an optical network for performing automatic neighbor discovery. A device (10) is connected over an Ethernet connection (12) to an Optical Transport Network, OTN, device (11), which transparently maps Ethernet packets to Optical Data Units and vice versa. The method comprises the steps of: determining (21), by a first of the devices (10, 11), that a port (14) of the OTN device (11) is connected via the Ethernet connection (12) to a port (13) of the device (10); and sending (23), by the first device, a link configuration pattern over the Ethernet connection (12), the link configuration pattern being one of: a bit sequence, an invalid Ethernet packet and a valid Ethernet packet, the link configuration pattern containing an ID identifying the first device and a port number identifying the port of the first device.
摘要翻译：本发明涉及光网络中的网络管理方法，用于执行自动邻居发现。设备（10）通过以太网连接（12）连接到光传输网络OTN，设备（11），其将以太网分组透明地映射到光数据单元，反之亦然。该方法包括以下步骤：由第一设备（10,11）确定（21）OTN设备（11）的端口（14）经由以太网连接（12）连接到端口（ 13）; 并且由所述第一设备通过所述以太网连接（12）发送（23）所述链路配置模式，所述链路配置模式是以下之一：比特序列，无效以太网分组和有效以太网分组，所述链路配置模式包含识别第一设备的ID和识别第一设备的端口的端口号。

4. 发明申请

US20120051227A1 METHOD FOR SIGNALLING OF DATA TRANSMISSION PATH PROPERTIES 审中-公开
标题翻译：用于信号传输路径特性的方法
公开(公告)号：US20120051227A1
公开(公告)日：2012-03-01
申请号：US13319132
申请日：2010-05-19
申请人： Pietro Grandi , Vincenzo Sestito , Italo Busi , Sergio Torassa , Gert Grammel , Ray Qiu , Alfred Nothaft
发明人： Pietro Grandi , Vincenzo Sestito , Italo Busi , Sergio Torassa , Gert Grammel , Ray Qiu , Alfred Nothaft
IPC分类号： H04L12/26
CPC分类号： H04L43/062 , H04L43/0823 , H04L43/0852
摘要： A method for signalling of data transmission path properties is proposed. The method contains several steps at a first network endpoint device. As a first step, at least one data transmission path is provided via a client-server interface to a client device by the first network endpoint device. The data transmission path is a path through the network connecting the first network endpoint device and a second network endpoint device. As a second step, the first network endpoint device receives via a server-network interface OAM information generated by the second network endpoint device or internal network devices and terminates this received OAM information. As a third step, the first network endpoint device determines at least one data transmission property parameter from such received OAM information which was generated by the second network endpoint device or internal network devices. The fourth step is that of signalling via the client-server interface at least one transmission property message towards the client device in dependence on the at least one determined transmission property parameter.
摘要翻译：提出了一种信令数据传输路径特性的方法。该方法在第一个网络端点设备上包含几个步骤。作为第一步骤，由第一网络端点设备经由客户机 - 服务器接口将至少一个数据传输路径提供给客户端设备。数据传输路径是通过连接第一网络端点设备和第二网络端点设备的网络的路径。作为第二步骤，第一网络端点设备通过服务器 - 网络接口接收由第二网络端点设备或内部网络设备生成的OAM信息，并终止该接收到的OAM信息。作为第三步骤，第一网络端点设备从由第二网络端点设备或内部网络设备生成的所接收的OAM信息中确定至少一个数据传输属性参数。第四步是通过客户机 - 服务器接口根据至少一个确定的传输属性参数向客户端设备发送至少一个传输属性消息。

5. 发明授权

US6121832A Intermediate amplifier device for a transmission network 失效
标题翻译：用于传输网络的中间放大器装置
公开(公告)号：US6121832A
公开(公告)日：2000-09-19
申请号：US197728
申请日：1998-11-20
申请人： Gert Grammel
发明人： Gert Grammel
IPC分类号： H03F1/52 , H03F3/68 , H04B3/36 , H04B3/46 , H04N7/10 , H04N17/00 , H03F1/14
CPC分类号： H04B3/36 , H03F1/52 , H03F3/68 , H04B3/46 , H04N17/00 , H04N7/102
摘要： An intermediate amplifier device (20) with a signal amplification stage (21) in a transmission network in which signals can be transmitted from a central station (23) to a number of receivers (24) by way of a number of transmission lines, which are connected to one another in a tree structure, with a number of intermediate amplifier devices of the same type is characterized in that the intermediate amplifier device has a detection device (22) for detecting a malfunction (28) in the transmission line (27) connected to the intermediate amplifier device, a switching device (26) for coupling and uncoupling the transmission line (27) to or from the central station, as well as a delay element (25) with a delay time t.sub.i for the delayed reaction to a malfunction detected by the detection device (22) by means of a correspondingly delayed actuation of the switching device. As a result, in the event of a malfunction, only the last intermediate amplifier device before the malfunctioning line section as well as subsequent line parts possibly connected to it are affected, but not network sections that do not receive their signals by way of the affected intermediate amplifier device. Furthermore, the localization of the malfunction is made easier.
摘要翻译：一种在传输网络中具有信号放大级（21）的中间放大器装置（20），其中可以通过多条传输线从中心站（23）向多个接收机（24）发送信号，以树状结构彼此连接，多个相同类型的中间放大器装置的特征在于，中间放大器装置具有用于检测传输线（27）中的故障（28）的检测装置（22）连接到所述中间放大器装置的开关装置（26），用于将所述传输线（27）耦合到所述中心站或从所述中心站解耦，以及延迟元件（25），所述延迟元件（25）具有延迟反应到由检测装置（22）通过相应地延迟的开关装置的致动检测到故障。结果，在发生故障的情况下，仅在故障线路部分之前的最后一个中间放大器装置以及可能连接到其的后续线路部分受到影响，而不影响不受影响的网络部分中间放大器装置。此外，故障的定位变得更容易。

6. 发明授权

US08954493B2 Method of establishing disjoint data connections between clients by a network 有权
标题翻译：通过网络在客户机之间建立不相交的数据连接的方法
公开(公告)号：US08954493B2
公开(公告)日：2015-02-10
申请号：US13376764
申请日：2010-06-17
申请人： Gert Grammel
发明人： Gert Grammel
IPC分类号： G06F15/16 , H04L12/701 , H04L12/735 , H04L12/707
CPC分类号： H04L45/00 , H04L45/1283 , H04L45/24
摘要： A method for establishing disjoint data connections between two clients by a network is proposed. The method comprises different steps at different devices. A first client device sends via a client-network interface one or more connection request messages to a network for requesting at least two disjoint data connections to a second client device. The one or more connection request messages contain first indicating data, indicating a first predetermined set of network resources, and second indicating data, indicating a second predetermined set of network resources, which is disjoint to said first set of network resources.
摘要翻译：提出了一种通过网络在两个客户端之间建立不相交数据连接的方法。该方法包括不同设备的不同步骤。第一客户端设备经由客户端 - 网络接口发送一个或多个连接请求消息到网络，以请求与第二客户端设备的至少两个不相交的数据连接。所述一个或多个连接请求消息包含指示第一预定的一组网络资源的第一指示数据和指示与所述第一组网络资源不相交的第二预定网络资源集合的第二指示数据。

7. 发明授权

US07924740B2 Method of configuring at least one user-specific connection between access points to a transmission network which are connectable to user-located network devices, and apparatus therefor 有权
标题翻译：在可连接到用户定位的网络设备的传输网络的接入点之间配置至少一个用户特定连接的方法及其设备
公开(公告)号：US07924740B2
公开(公告)日：2011-04-12
申请号：US10373027
申请日：2003-02-26
申请人： Gert Grammel
发明人： Gert Grammel
IPC分类号： G01R31/08
CPC分类号： H04L41/00
摘要： A method of configuring at least one user-specific connection between access points of a transmission network, particularly of a highly available network, which are connectable to user-located network devices, and a server of a network management system, a management module for the server, a configuration tool, and a configuration module for the configuration tool are presented. Network data about the network devices and links between these network devices via which the user-specific connection can be established is determined, and planning data for a representation of the network is generated on the basis of which at least one availability criterion of the network devices or of the links is determinable. Planning data for a representation of the transmission network is then generated, on the basis of which at least one availability criterion of the network devices or of the links is determinable.
摘要翻译：一种在可连接到用户定位的网络设备的传输网络，特别是高可用性网络的接入点之间配置至少一个用户特定连接的方法，以及网络管理系统的服务器，服务器，配置工具和配置工具的配置模块。确定关于网络设备和可以建立用户特定连接的这些网络设备之间的链接的网络数据，并且基于哪个网络设备的至少一个可用性标准来生成针对网络的表示的规划数据或链接是可确定的。然后，生成针对传输网络的表示的规划数据，基于此可以确定网络设备或链路的至少一个可用性标准。

8. 发明申请

US20120089673A1 METHOD OF ESTABLISHING DISJOINT DATA CONNECTIONS BETWEEN CLIENTS BY A NETWORK 有权
标题翻译：通过网络建立客户之间的差异数据连接的方法
公开(公告)号：US20120089673A1
公开(公告)日：2012-04-12
申请号：US13376764
申请日：2010-06-17
申请人： Gert Grammel
发明人： Gert Grammel
IPC分类号： G06F15/16
CPC分类号： H04L45/00 , H04L45/1283 , H04L45/24
摘要： A method for establishing disjoint data connections between two clients by a network is proposed. The method comprises different steps at different devices. A first client device sends via a client-network interface one or more connection request messages to a network for requesting at least two disjoint data connections to a second client device. The one or more connection request messages contain first indicating data, indicating a first predetermined set of network resources, and second indicating data, indicating a second predetermined set of network resources, which is disjoint to said first set of network resources.
摘要翻译：提出了一种通过网络在两个客户端之间建立不相交数据连接的方法。该方法包括不同设备的不同步骤。第一客户端设备经由客户端 - 网络接口发送一个或多个连接请求消息到网络，以请求与第二客户端设备的至少两个不相交的数据连接。所述一个或多个连接请求消息包含指示第一预定的一组网络资源的第一指示数据和指示与所述第一组网络资源不相交的第二预定网络资源集合的第二指示数据。

9. 发明授权

US07843851B2 Method and control plane for provisioning connections in a multi-layer transport network 有权
标题翻译：用于在多层传输网络中提供连接的方法和控制平面
公开(公告)号：US07843851B2
公开(公告)日：2010-11-30
申请号：US11485327
申请日：2006-07-13
申请人： Gert Grammel
发明人： Gert Grammel
IPC分类号： H04L12/28
CPC分类号： H04L45/12
摘要： In a multi-layer transport network, a method and related control plane allow automatic provisioning of a client layer connection (31, 32, 33, 24, 34, 35) over at least one server layer connection (11, 12, 13, 21, 22, 23, 14, 15, 16, 25, 26) by selecting a path through the transport network taking into account free resources of existing server layer connections (14, 15, 16, 25) and additionally taking into account free resources in the transport network, where no server layer connections exist so far. The selection is based on a cost calculation which takes into account a cost value per link and further takes into account an additional cost value for links on which no available server layer connection exist so far. Eventually, the path having the lowest overall cost is selected. Server layer connections (11, 12, 13, 21, 22, 23, 26) on links along said selected path where no server layer connection with free resources exists so far are then established and used to set up the requested client layer (31, 32, 33, 24, 34, 35) connection.
摘要翻译：在多层传输网络中，方法和相关控制平面允许通过至少一个服务器层连接（11,12,13,21）自动提供客户端层连接（31,32,33,24,34,35），22,23,14,15,16,25,26），通过考虑现有服务器层连接（14,15,16,25）的自由资源，并考虑到空闲资源，选择通过传输网络的路径传输网络，至今没有存在服务器层连接。该选择基于考虑每个链路的成本值的成本计算，并且进一步考虑到迄今为止不存在可用服务器层连接的链路的附加成本值。最终，选择具有最低总成本的路径。然后建立并使用所述服务器层连接（11,12,13,21,22,23,26），所述服务器层连接（11,12,13,21,22,23,26）沿着所述所选路径的链路建立并且用于建立所请求的客户端层（31， 32,33,24,34,35）连接。

10. 发明申请

US20070038734A1 Method and control plane for provisioning connections in a multi-layer transport network 有权
标题翻译：用于在多层传输网络中提供连接的方法和控制平面
公开(公告)号：US20070038734A1
公开(公告)日：2007-02-15
申请号：US11485327
申请日：2006-07-13
申请人： Gert Grammel
发明人： Gert Grammel
IPC分类号： G06F15/173
CPC分类号： H04L45/12
摘要： In a multi-layer transport network, a method and related control plane allow automatic provisioning of a client layer connection (31, 32, 33, 24, 34, 35) over at least one server layer connection (11, 12, 13, 21, 22, 23, 14, 15, 16, 25, 26) by selecting a path through the transport network taking into account free resources of existing server layer connections (14, 15, 16, 25) and additionally taking into account free resources in the transport network, where no server layer connections exist so far. The selection is based on a cost calculation which takes into account a cost value per link and further takes into account an additional cost value for links on which no available server layer connection exist so far. Eventually, the path having the lowest overall cost is selected. Server layer connections (11, 12, 13, 21, 22, 23, 26) on links along said selected path where no server layer connection with free resources exists so far are then established and used to set up the requested client layer (31, 32, 33, 24, 34, 35) connection.
摘要翻译：在多层传输网络中，方法和相关控制平面允许通过至少一个服务器层连接（11,12,13,21）自动提供客户端层连接（31,32,33,24,34,35），22,23,14,15,16,25,26），通过考虑现有服务器层连接（14,15,16,25）的自由资源，并考虑到空闲资源，选择通过传输网络的路径传输网络，至今没有存在服务器层连接。该选择基于考虑每个链路的成本值的成本计算，并且进一步考虑到迄今为止不存在可用服务器层连接的链路的附加成本值。最终，选择具有最低总成本的路径。然后建立并使用所述服务器层连接（11,12,13,21,22,23,26），所述服务器层连接（11,12,13,21,22,23,26）沿着所述所选路径的链路建立并且用于建立所请求的客户端层（31， 32,33,24,34,35）连接。

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