Port wavelength restriction encoding in wavelength switched optical network
    1.
    发明授权
    Port wavelength restriction encoding in wavelength switched optical network 有权
    波长切换光网络中的端口波长限制编码

    公开(公告)号:US08442399B2

    公开(公告)日:2013-05-14

    申请号:US12830950

    申请日:2010-07-06

    IPC分类号: H04J14/02

    摘要: An apparatus comprising a path computation element (PCE) coupled to a path computation client (PCC) and configured to perform a path computation using port wavelength restriction information for a network element (NE), wherein the port wavelength restriction information is encoded and received in a port wavelength restriction Type-Length-Value (TLV) that comprises a matrix identifier (ID), a restriction type, and the port wavelength restriction information. Also disclosed is a network component comprising at least one processor coupled to a memory and configured to receive a port wavelength restriction information TLV that corresponds to a NE, and obtain a restriction type and port wavelength restriction information based on the restriction type from the port wavelength restriction TLV, and use the port wavelength restriction information to calculate a path for the NE.

    摘要翻译: 一种装置,包括耦合到路径计算客户机(PCC)的路径计算元件(PCE),并被配置为使用用于网元(NE)的端口波长限制信息来执行路径计算,其中端口波长限制信息被编码和接收 包括矩阵标识符(ID),限制类型和端口波长限制信息的端口波长限制类型长度值(TLV)。 还公开了一种网络组件,包括至少一个处理器,其耦合到存储器并且被配置为接收对应于NE的端口波长限制信息TLV,并且基于来自端口波长的限制类型获得限制类型和端口波长限制信息 限制TLV,并使用端口波长限制信息计算NE的路径。

    Port Wavelength Restriction Encoding in Wavelength Switched Optical Network
    2.
    发明申请
    Port Wavelength Restriction Encoding in Wavelength Switched Optical Network 有权
    波长切换光网络中的端口波长限制编码

    公开(公告)号:US20110008052A1

    公开(公告)日:2011-01-13

    申请号:US12830950

    申请日:2010-07-06

    IPC分类号: H04J14/02

    摘要: An apparatus comprising a path computation element (PCE) coupled to a path computation client (PCC) and configured to perform a path computation using port wavelength restriction information for a network element (NE), wherein the port wavelength restriction information is encoded and received in a port wavelength restriction Type-Length-Value (TLV) that comprises a matrix identifier (ID), a restriction type, and the port wavelength restriction information. Also disclosed is a network component comprising at least one processor coupled to a memory and configured to receive a port wavelength restriction information TLV that corresponds to a NE, and obtain a restriction type and port wavelength restriction information based on the restriction type from the port wavelength restriction TLV, and use the port wavelength restriction information to calculate a path for the NE.

    摘要翻译: 一种装置,包括耦合到路径计算客户机(PCC)的路径计算元件(PCE),并被配置为使用用于网元(NE)的端口波长限制信息来执行路径计算,其中端口波长限制信息被编码和接收 包括矩阵标识符(ID),限制类型和端口波长限制信息的端口波长限制类型长度值(TLV)。 还公开了一种网络组件,包括至少一个处理器,其耦合到存储器并且被配置为接收对应于NE的端口波长限制信息TLV,并且基于来自端口波长的限制类型获得限制类型和端口波长限制信息 限制TLV,并使用端口波长限制信息计算NE的路径。

    Encoding of Wavelength Converter Systems
    3.
    发明申请
    Encoding of Wavelength Converter Systems 有权
    波长转换器系统的编码

    公开(公告)号:US20100220999A1

    公开(公告)日:2010-09-02

    申请号:US12711386

    申请日:2010-02-24

    IPC分类号: H04B10/08

    摘要: An apparatus comprising a path computation element (PCE) configured to perform a path computation using a wavelength converter (WC) pool information based on a dynamic WC pool model, wherein the dynamic WC pool model comprises information regarding WC pool usage state represented using a WC pool usage state vector, and wherein the information regarding WC pool usage state is communicated to the PCE using a WC usage state Type-Length-Value (TLV) that indicates an available WC in a WC pool, a used WC in the WC pool, or both. Also disclosed is a network component comprising at least one processor configured to implement a method comprising receiving a WC usage state TLV comprising information regarding WC pool usage state, establishing a WC pool usage state vector using the information in the WC usage state TLV, and calculating a WC pool connectivity matrix based on the WC usage state vector.

    摘要翻译: 一种装置,包括被配置为使用基于动态WC池模型的波长转换器(WC)池信息来执行路径计算的路径计算元件(PCE),其中,所述动态WC池模型包括关于使用WC表示的WC池使用状态的信息 池使用状态向量,并且其中关于WC池使用状态的信息使用指示WC池中的可用WC,WC池中使用的WC的WC使用状态类型长度值(TLV)来传送到PCE, 或两者。 还公开了一种网络组件,包括至少一个处理器,该处理器被配置为实现一种方法,该方法包括:接收包含关于WC池使用状态的信息的WC使用状态TLV,使用WC使用状态TLV中的信息建立WC池使用状态向量,以及计算 基于WC使用状态向量的WC池连接矩阵。

    Encoding of wavelength converter systems

    公开(公告)号:US08385739B2

    公开(公告)日:2013-02-26

    申请号:US12711386

    申请日:2010-02-24

    IPC分类号: H04B10/00

    摘要: An apparatus comprising a path computation element (PCE) configured to perform a path computation using a wavelength converter (WC) pool information based on a dynamic WC pool model, wherein the dynamic WC pool model comprises information regarding WC pool usage state represented using a WC pool usage state vector, and wherein the information regarding WC pool usage state is communicated to the PCE using a WC usage state Type-Length-Value (TLV) that indicates an available WC in a WC pool, a used WC in the WC pool, or both. Also disclosed is a network component comprising at least one processor configured to implement a method comprising receiving a WC usage state TLV comprising information regarding WC pool usage state, establishing a WC pool usage state vector using the information in the WC usage state TLV, and calculating a WC pool connectivity matrix based on the WC usage state vector.

    Method for transmitting impairment information, node, and network system
    5.
    发明授权
    Method for transmitting impairment information, node, and network system 有权
    传输损伤信息,节点和网络系统的方法

    公开(公告)号:US08724986B2

    公开(公告)日:2014-05-13

    申请号:US13311084

    申请日:2011-12-05

    申请人: Jianrui Han

    发明人: Jianrui Han

    IPC分类号: H04B10/00

    摘要: The embodiments of the present invention relate to the field of communication technologies, and disclose a method for transmitting impairment information, a node, and a network system. The method for transmitting impairment information includes: receiving, by a first node on a path, first impairment information from a previous hop node, and updating the first impairment information to obtain physical impairment parameters of all or a part of available wavelengths at the first node; deleting a wavelength whose physical impairment parameter at the first node exceeds a preset range; and sending second impairment information to a next hop node of the first node when a residual wavelength still exists after the wavelength whose impairment parameter exceeds the preset range is deleted. The second impairment information includes a physical impairment parameter of the residual wavelength at the first node.

    摘要翻译: 本发明的实施例涉及通信技术领域,并且公开了用于发送损害信息,节点和网络系统的方法。 用于发送损伤信息的方法包括:由路径上的第一节点接收来自先前跳跃节点的第一损伤信息,并且更新第一损伤信息以获得第一节点处的全部或一部分可用波长的物理损伤参数 ; 删除第一节点处的物理损伤参数超过预设范围的波长; 并且当在其损伤参数超过预设范围的波长被删除之后剩余波长仍然存在时,将第二损害信息发送到第一节点的下一跳节点。 第二损伤信息包括第一节点处的残留波长的身体损伤参数。

    Method, system and apparatus for distributing node information
    6.
    发明授权
    Method, system and apparatus for distributing node information 有权
    用于分发节点信息的方法,系统和装置

    公开(公告)号:US08095009B2

    公开(公告)日:2012-01-10

    申请号:US12241563

    申请日:2008-09-30

    IPC分类号: H04J14/02

    摘要: A method for distributing node information, including an optical node generating an information bit stream based on its own node information and distributing the information bit stream it generates and a wavelength sequence corresponding to the node information. According to various embodiments, an information bit stream is generated based on the node information of an optical node so as to reduce the volume of data in the node information distributed by an optical node.

    摘要翻译: 一种用于分发节点信息的方法,包括基于其自己的节点信息生成信息比特流并分发其生成的信息比特流的光学节点和与节点信息相对应的波长序列。 根据各种实施例,基于光节点的节点信息生成信息比特流,以便减少由光节点分发的节点信息中的数据量。

    METHOD, APPARATUS AND SYSTEM FOR ADVERTISING ROUTING PROTOCOL MESSAGE AND CALCULATING ROUTE
    7.
    发明申请
    METHOD, APPARATUS AND SYSTEM FOR ADVERTISING ROUTING PROTOCOL MESSAGE AND CALCULATING ROUTE 有权
    广播路由协议消息和计算路由的方法,装置和系统

    公开(公告)号:US20120063779A1

    公开(公告)日:2012-03-15

    申请号:US13219119

    申请日:2011-08-26

    IPC分类号: H04J14/02

    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。

    Method, System And Apparatus For Distributing Node Information
    8.
    发明申请
    Method, System And Apparatus For Distributing Node Information 有权
    用于分发节点信息的方法,系统和装置

    公开(公告)号:US20090087184A1

    公开(公告)日:2009-04-02

    申请号:US12241563

    申请日:2008-09-30

    IPC分类号: H04B10/04 H04J14/02

    摘要: A method for distributing node information, including an optical node generating an information bit stream based on its own node information and distributing the information bit stream it generates and a wavelength sequence corresponding to the node information. According to various embodiments, an information bit stream is generated based on the node information of an optical node so as to reduce the volume of data in the node information distributed by an optical node.

    摘要翻译: 一种用于分发节点信息的方法,包括基于其自己的节点信息生成信息比特流并分发其生成的信息比特流的光学节点和与节点信息相对应的波长序列。 根据各种实施例,基于光节点的节点信息生成信息比特流,以便减少由光节点分发的节点信息中的数据量。

    Method, apparatus, and system for assigning tributary port number
    9.
    发明授权
    Method, apparatus, and system for assigning tributary port number 有权
    分配端口号的方法,装置和系统

    公开(公告)号:US09008511B2

    公开(公告)日:2015-04-14

    申请号:US13435962

    申请日:2012-03-30

    IPC分类号: H04J14/08 H04J3/16

    摘要: Embodiments of the present invention relate a method, an apparatus, and a system for assigning a tributary port number. The method includes: receiving a service path request message which is sent by a neighboring node and carries a service type; determining, according to the service path request message, an OTU link used to bear the ODU service, determining and reserving, according to the service type in the service path request message, a free tributary slot resource used to bear the ODU service in the OTU link, and assigning a tributary port number to the free tributary slot resource; and sending a service path acknowledgment message to the neighboring node.

    摘要翻译: 本发明的实施例涉及一种用于分配支路端口号的方法,装置和系统。 该方法包括:接收邻居节点发送并携带业务类型的业务路径请求消息; 根据业务路径请求消息确定用于承载ODU业务的OTU链路,根据服务路径请求消息中的业务类型确定和保留用于承载OTU中的ODU业务的自由时隙资源 链接,以及向自由支路时隙资源分配支路端口号; 并向邻近节点发送业务路径确认消息。

    Method, apparatus and system for advertising routing protocol message and calculating route
    10.
    发明授权
    Method, apparatus and system for advertising routing protocol message and calculating route 有权
    广告路由协议消息和计算路由的方法,装置和系统

    公开(公告)号:US08582968B2

    公开(公告)日:2013-11-12

    申请号:US13219119

    申请日:2011-08-26

    IPC分类号: H04J14/00

    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。