公开(公告)号：US08737394B2

公开(公告)日：2014-05-27

申请号：US12824690

申请日：2010-06-28

申请人： Jixiong Dong ,  Fatai Zhang

发明人： Jixiong Dong ,  Fatai Zhang

IPC分类号： H04L12/28

CPC分类号： H04L45/42 ,  H04L45/04 ,  H04W40/02

摘要： A route computation method and system, and a path computation element (PCE) are provided. In particular, the method includes: receiving, by a bottom-level PCE which manages a routing domain including a destination node, a path computation command, performing a route computation on the routing domain managed by the bottom-level PCE, obtaining a path segment set with a destination node serving as an endpoint, and sending the obtained path segment set to an upper-level PCE of the bottom-level PCE, sending, by the upper-level PCE receiving the path segment set sent by a first lower-level PCE, the path computation command to a second lower-level PCE, receiving path segment sets sent by all lower-level PCEs, and combining and sending all the received path segment sets to an upper-level PCE of the upper-level PCE, until a top-level PCE receives path segment sets sent by all lower-level PCEs of the top-level PCE; and combining, by the top-level PCE, all the received path segment sets to generate a set of paths between the destination node and the source node.

摘要翻译： 提供路线计算方法和系统以及路径计算元件（PCE）。 特别地，该方法包括：通过管理包括目的地节点的路由域的底层PCE，路径计算命令，在由底层PCE管理的路由域上执行路由计算，获得路径段 以目的地节点作为端点设置，并且将所获得的路段分组发送到底层PCE的上级PCE，由接收由第一下级发送的路径段集合的上级PCE发送 PCE，到第二较低级PCE的路径计算命令，接收由所有下级PCE发送的路径段集合，以及将所有接收到的路径段集合并发送到上级PCE的上级PCE，直到 顶级PCE接收由顶层PCE的所有下级PCE发送的路径段集合; 以及由顶级PCE组合所有接收到的路径段集合以在目的地节点和源节点之间生成一组路径。

公开(公告)号：US08442190B2

公开(公告)日：2013-05-14

申请号：US13219199

申请日：2011-08-26

申请人： Xiaobing Zi ,  Fatai Zhang

发明人： Xiaobing Zi ,  Fatai Zhang

IPC分类号： H04M1/64

CPC分类号： H04M3/02 ,  H04L12/4625 ,  H04L12/6418

摘要： A method, a system and a device for call processing are disclosed in the embodiments of the present invention. The method includes: obtaining, by a call initiator, address information of all or part of call managers in a network domain that processes a call, where the all or part of the call managers include a call manager that processes the call and is adjacent to the call initiator; sending, by the call initiator, a first call creating request message to an adjacent call manager according to the address information of the all or part of the call managers; and receiving, by the call initiator, a first call creating response message from the adjacent call manager. In the case that a service at a client side is required to be sent through multiple networks at a server side, inter-domain link selection and admission control may be implemented through section call processing.

摘要翻译： 在本发明的实施例中公开了一种用于呼叫处理的方法，系统和设备。 该方法包括：通过呼叫发起者获得处理呼叫的网络域中的全部或部分呼叫管理器的地址信息，其中全部或部分呼叫管理器包括处理呼叫的呼叫管理器并且邻近于 呼叫发起者; 根据全部或部分呼叫管理者的地址信息，通过呼叫发起者向邻近的呼叫管理器发送第一呼叫创建请求消息; 以及由呼叫发起者接收来自相邻呼叫管理器的第一呼叫创建响应消息。 在客户端的服务需要通过服务器侧的多个网络发送的情况下，可以通过段呼叫处理来实现域间链路选择和接纳控制。

公开(公告)号：US08761024B2

公开(公告)日：2014-06-24

申请号：US13198930

申请日：2011-08-05

申请人： Fatai Zhang ,  Jianhua Gao

发明人： Fatai Zhang ,  Jianhua Gao

IPC分类号： G06F11/00

CPC分类号： H04L41/06 ,  H04L43/0817

摘要： A resource state monitoring method, device and communication network are provided. The method includes: acquiring network event state information of a node in a network running process, detecting a data plane resource state of the node and a control plane resource state of the node when it determines that the network event state information of the node meets a resource state detection triggering condition, and reporting a detection result to a management plane of the node. The device includes an acquiring unit, a checking unit, a triggering unit, a detecting unit and a reporting unit. The network includes several nodes, a communication control device and a resource state monitoring device.

摘要翻译： 提供资源状态监视方法，设备和通信网络。 该方法包括：在网络运行过程中获取节点的网络事件状态信息，当确定节点的网络事件状态信息满足时，检测节点的数据平面资源状态和节点的控制平面资源状态 资源状态检测触发条件，并将检测结果报告给节点的管理平面。 该装置包括获取单元，检查单元，触发单元，检测单元和报告单元。 网络包括多个节点，通信控制设备和资源状态监视设备。

公开(公告)号：US08463120B2

公开(公告)日：2013-06-11

申请号：US12240361

申请日：2008-09-29

申请人： Fatai Zhang ,  Huiying Xu ,  Yongliang Xu

发明人： Fatai Zhang ,  Huiying Xu ,  Yongliang Xu

IPC分类号： H04B10/00

CPC分类号： H04J3/14 ,  H04L41/0663 ,  H04L41/0668

摘要： A method for realizing service protection in the automatically switched optical network includes following steps: after any defect occurs on the working paths that carry the service, the first node and the last node of the working paths sends the requests to restore the paths setup in opposite directions, respectively; at least one intermediate node in the restoration path establishes a connection according to the restoration path setup request, and forwards the restoration path setup request hop by hop, until the setup of the recovering path is finished; the service is switched from the working paths to the restoration paths. A system for realizing service protection and a node device in an ASON is also provided. The paths restoration process can be faster obviously using this invention, and the restoration time can be shortened, and the work efficiency and reliability can be improved, and the service can be ensured to be restored.

摘要翻译： 在自动交换光网络中实现业务保护的方法包括以下步骤：在承载业务的工作路径上发生任何缺陷后，工作路径的第一个节点和最后一个节点发送请求，恢复相反的路径建立 方向; 恢复路径中的至少一个中间节点根据恢复路径建立请求建立连接，并逐跳地转发恢复路径建立请求，直到恢复路径的建立完成; 该服务从工作路径切换到恢复路径。 还提供了一种在ASON中实现服务保护和节点设备的系统。 通过本发明，路径恢复过程可以更加明显，恢复时间可以缩短，可以提高工作效率和可靠性，保证服务的恢复。

公开(公告)号：US20120063779A1

公开(公告)日：2012-03-15

申请号：US13219119

申请日：2011-08-26

申请人： Fatai Zhang ,  Jianrui Han ,  Yi Lin

发明人： Fatai Zhang ,  Jianrui Han ,  Yi Lin

IPC分类号： H04J14/02

CPC分类号： H04J14/0227 ,  H04J14/0256 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/0267 ,  H04J14/0268 ,  H04J14/0269 ,  H04L45/02

摘要： A method, apparatus and system for advertising a routing protocol message and calculating a route are provided which solve the problems that the time of connection establishment or rerouting in wavelength routing is too long and that wavelength utilization efficiency is low. The method for advertising the routing protocol message includes: obtaining node information and link information of a node, in which the node information contains port cross-connection capability information of the node, and the link information contains wavelength restriction information and wavelength status information of each link connected to the node; carrying the obtained node information and link information in a Type-Length-Value object of a routing protocol message, and advertising the routing protocol message in the network.

摘要翻译： 提供一种用于广告路由协议消息和计算路由的方法，装置和系统，其解决了波长路由中的连接建立或重新路由时间太长以及波长利用效率低的问题。 广播路由协议消息的方法包括：获取节点的节点信息和链路信息，其中节点信息包含节点的端口交叉连接能力信息，链路信息包含每个节点的波长限制信息和波长状态信息 链接连接到节点; 将所获得的节点信息和链路信息携带在路由协议消息的类型长度值对象中，并在网络中通告路由协议消息。

公开(公告)号：US20090028561A1

公开(公告)日：2009-01-29

申请号：US12240361

申请日：2008-09-29

申请人： Fatai ZHANG ,  Huiying XU ,  Yongliang XU

发明人： Fatai ZHANG ,  Huiying XU ,  Yongliang XU

IPC分类号： H04J14/00

CPC分类号： H04J3/14 ,  H04L41/0663 ,  H04L41/0668

摘要： A method for realizing service protection in the automatically switched optical network includes following steps: after any defect occurs on the working paths that carry the service, the first node and the last node of the working paths sends the requests to restore the paths setup in opposite directions, respectively; at least one intermediate node in the restoration path establishes a connection according to the restoration path setup request, and forwards the restoration path setup request hop by hop, until the setup of the recovering path is finished; the service is switched from the working paths to the restoration paths. A system for realizing service protection and a node device in an ASON is also provided. The paths restoration process can be faster obviously using this invention, and the restoration time can be shortened, and the work efficiency and reliability can be improved, and the service can be ensured to be restored.

摘要翻译： 在自动交换光网络中实现业务保护的方法包括以下步骤：在承载业务的工作路径上发生任何缺陷后，工作路径的第一个节点和最后一个节点发送请求，恢复相反的路径建立 方向; 恢复路径中的至少一个中间节点根据恢复路径建立请求建立连接，并逐跳地转发恢复路径建立请求，直到恢复路径的建立完成; 该服务从工作路径切换到恢复路径。 还提供了一种在ASON中实现服务保护和节点设备的系统。 通过本发明，路径恢复过程可以更加明显，恢复时间可以缩短，可以提高工作效率和可靠性，保证服务的恢复。

公开(公告)号：US08594140B2

公开(公告)日：2013-11-26

申请号：US13011515

申请日：2011-01-21

申请人： Fatai Zhang ,  Huiying Xu ,  Xiaobing Zi ,  Yi Lin

发明人： Fatai Zhang ,  Huiying Xu ,  Xiaobing Zi ,  Yi Lin

IPC分类号： H04J3/02

CPC分类号： H04J3/1611 ,  H04J3/1652

摘要： A method, device, and system for multiplexing and mapping optical signals and demultiplexing and demapping optical signals are provided. The method for multiplexing and mapping optical signals includes the following steps: A label object that indicates a multiplexing and mapping relation is acquired. The label object includes a label and a label header. The label includes a type indication field and a TS indication field. The label object predefines a multiplexing and mapping policy about a first optical signal on a first optical channel and a second optical signal on a second optical channel. The first optical signal is multiplexed and mapped to the second optical signal according to the multiplexing and mapping policy. Therefore, when optical signals are multiplexed and mapped and are demultiplexed and demapped, so that an advantage of saving signaling overhead is realized.

摘要翻译： 提供了一种用于复用和映射光信号以及解复用和解映射光信号的方法，设备和系统。 光信号复用和映射的方法包括以下步骤：获取指示复用和映射关系的标签对象。 标签对象包括标签和标签标题。 标签包括类型指示字段和TS指示字段。 标签对象预先定义关于第一光信道上的第一光信号和第二光信道上的第二光信号的复用和映射策略。 第一光信号根据复用和映射策略被复用并映射到第二光信号。 因此，当光信号被复用和映射并被解复用和解映射时，从而实现节省信令开销的优点。

公开(公告)号：US20110311039A1

公开(公告)日：2011-12-22

申请号：US13219199

申请日：2011-08-26

申请人： Xiaobing Zi ,  Fatai Zhang

发明人： Xiaobing Zi ,  Fatai Zhang

IPC分类号： H04M3/00

CPC分类号： H04M3/02 ,  H04L12/4625 ,  H04L12/6418

摘要： A method, a system and a device for call processing are disclosed in the embodiments of the present invention. The method includes: obtaining, by a call initiator, address information of all or part of call managers in a network domain that processes a call, where the all or part of the call managers include a call manager that processes the call and is adjacent to the call initiator; sending, by the call initiator, a first call creating request message to an adjacent call manager according to the address information of the all or part of the call managers; and receiving, by the call initiator, a first call creating response message from the adjacent call manager. In the case that a service at a client side is required to be sent through multiple networks at a server side, inter-domain link selection and admission control may be implemented through section call processing.

摘要翻译： 在本发明的实施例中公开了一种用于呼叫处理的方法，系统和设备。 该方法包括：通过呼叫发起者获得处理呼叫的网络域中的全部或部分呼叫管理器的地址信息，其中全部或部分呼叫管理器包括处理呼叫的呼叫管理器并且邻近于 呼叫发起者; 根据全部或部分呼叫管理者的地址信息，通过呼叫发起者向邻近的呼叫管理器发送第一呼叫创建请求消息; 以及由呼叫发起者接收来自相邻呼叫管理器的第一呼叫创建响应消息。 在客户端的服务需要通过服务器侧的多个网络发送的情况下，可以通过段呼叫处理来实现域间链路选择和接纳控制。

公开(公告)号：US20110296016A1

公开(公告)日：2011-12-01

申请号：US13198937

申请日：2011-08-05

申请人： Fatai ZHANG ,  Jianhua GAO

发明人： Fatai ZHANG ,  Jianhua GAO

IPC分类号： G06F15/16

CPC分类号： H04L41/06 ,  H04L43/0817 ,  H04L2012/5625

摘要： A resource state monitoring method, device and communication network are provided. The method includes: acquiring network event state information of a node in a network running process, detecting a data plane resource state of the node and a control plane resource state of the node when it determines that the network event state information of the node meets a resource state detection triggering condition, and reporting a detection result to a management plane of the node. The device includes an acquiring unit, a checking unit, a triggering unit, a detecting unit and a reporting unit. The network includes several nodes, a communication control device and a resource state monitoring device.

摘要翻译： 提供资源状态监控方法，设备和通信网络。 该方法包括：在网络运行过程中获取节点的网络事件状态信息，当确定节点的网络事件状态信息满足时，检测节点的数据平面资源状态和节点的控制平面资源状态 资源状态检测触发条件，并将检测结果报告给节点的管理平面。 该装置包括获取单元，检查单元，触发单元，检测单元和报告单元。 网络包括多个节点，通信控制设备和资源状态监视设备。

公开(公告)号：US08014300B2

公开(公告)日：2011-09-06

申请号：US12421074

申请日：2009-04-09

申请人： Fatai Zhang ,  Jianhua Gao

发明人： Fatai Zhang ,  Jianhua Gao

IPC分类号： G01R31/08

CPC分类号： H04L41/06 ,  H04L43/0817

摘要： A resource state monitoring method, device and communication network are provided. The method includes: acquiring network event state information of a node in a network running process, detecting a data plane resource state of the node and a control plane resource state of the node when it determines that the network event state information of the node meets a resource state detection triggering condition, and reporting a detection result to a management plane of the node. The device includes an acquiring unit, a checking unit, a triggering unit, a detecting unit and a reporting unit. The network includes several nodes, a communication control device and a resource state monitoring device.

摘要翻译： 提供资源状态监控方法，设备和通信网络。 该方法包括：在网络运行过程中获取节点的网络事件状态信息，当确定节点的网络事件状态信息满足时，检测节点的数据平面资源状态和节点的控制平面资源状态 资源状态检测触发条件，并将检测结果报告给节点的管理平面。 该装置包括获取单元，检查单元，触发单元，检测单元和报告单元。 网络包括多个节点，通信控制设备和资源状态监视设备。