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    System and method for wavelength conversion and switching
    1.
    发明授权
    System and method for wavelength conversion and switching 有权

    公开(公告)号：US10341747B2

    公开(公告)日：2019-07-02

    申请号：US15401553

    申请日：2017-01-09

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

    IPC: H04J14/02 ,  H04Q11/00 ,  H04L12/701 ,  H04L12/721 ,  H04L12/751 ,  H04L12/723

    Abstract: A network component comprising at least one processor configured to implement a method comprising collecting wavelength availability information associated with a wavelength switched optical network (WSON), receiving a path computation request to transport a signal through the WSON, calculating at least one route through the WSON for the signal, and assigning at least one wavelength for the signal to use along the route. Also disclosed is a network comprising a first path computation element (PCE) configured to compute at least one route for a signal between a source and a destination, and a second PCE in communication with the first PCE, wherein the second PCE is configured to receive the route from the first PCE and assign at least one wavelength to the route.

    Impairment aware path computation element method and system
    3.
    发明授权
    Impairment aware path computation element method and system 有权
    损伤感知路径计算元素的方法和系统

    公开(公告)号：US09270366B2

    公开(公告)日：2016-02-23

    申请号：US14516341

    申请日：2014-10-16

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

    IPC: H04B10/077 ,  H04L12/721 ,  H04B10/079 ,  H04B10/27 ,  H04L12/717 ,  H04J14/02

    CPC classification number: H04B10/0771 ,  H04B10/0795 ,  H04B10/27 ,  H04J14/02 ,  H04J14/0212 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/0267 ,  H04J14/0269 ,  H04J14/0271 ,  H04L45/123 ,  H04L45/42 ,  H04L45/62

    Abstract: The disclosure includes an apparatus comprising: a path computation element (PCE) comprising a processor configured to: receive a path computation element protocol (PCEP) path computation request from a path computation client (PCC), wherein the path computation request comprises an impairment validation request that directs the PCE to perform an impairment validation of a network path; after receiving the path computation request, compute a network path; and perform an impairment validation of the network path specified by the impairment validation request. In another embodiment, the disclosure includes a method comprising: sending, by a PCC a PCEP path computation request to a PCE, wherein the request directs the PCE to perform routing and wavelength assignment (RWA) and a first impairment validation of a network path, wherein the request comprises a type of signal quality of the network path which indicates the first type of impairment validation to be performed.

    Abstract translation: 本公开包括一种装置，包括：路径计算元件（PCE），包括处理器，其被配置为：从路径计算客户端（PCC）接收路径计算元件协议（PCEP）路径计算请求，其中所述路径计算请求包括损害验证 请求指示PCE执行网络路径的减损验证; 在接收到路径计算请求后，计算网络路径; 并执行由减值确认请求指定的网络路径的减值验证。 在另一个实施例中，本公开包括一种方法，包括：由PCC向PCE发送PCEP路径计算请求，其中所述请求指示PCE执行路由和波长分配（RWA）以及网络路径的第一受损验证， 其中所述请求包括所述网络路径的信号质量类型，其指示要执行的所述第一类型的减损验证。

    Encoding of wavelength converter systems
    4.
    发明授权
    Encoding of wavelength converter systems 有权
    波长转换器系统的编码

    公开(公告)号：US08977128B2

    公开(公告)日：2015-03-10

    申请号：US13743812

    申请日：2013-01-17

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein ,  Jianrui Han

    IPC: H04B10/00 ,  H04Q11/00 ,  H04J14/02

    CPC classification number: H04Q11/0005 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/0267 ,  H04J14/0269 ,  H04Q11/0062 ,  H04Q2011/0011 ,  H04Q2011/0073 ,  H04Q2011/0086

    Abstract: 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.

    Abstract translation: 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。

    Open shortest path first extensions in support of wavelength switched optical networks
    5.
    发明授权
    Open shortest path first extensions in support of wavelength switched optical networks 有权
    开放的最短路径第一扩展支持波长交换光网络

    公开(公告)号：US08929733B2

    公开(公告)日：2015-01-06

    申请号：US13736237

    申请日：2013-01-08

    Applicant: Futurewei Technologies, Inc.

    Inventor： Greg Bernstein ,  Young Lee

    IPC: H04B10/00 ,  H04J14/02 ,  H04L12/751 ,  H04L12/723 ,  H04L12/721 ,  H04Q11/00

    CPC classification number: H04L45/507 ,  H04J14/02 ,  H04J14/0212 ,  H04J14/0238 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/0268 ,  H04J14/0269 ,  H04J14/0273 ,  H04L45/02 ,  H04L45/026 ,  H04L45/50 ,  H04L45/62 ,  H04Q11/0062 ,  H04Q2011/0073 ,  H04Q2011/0077 ,  H04Q2011/0086

    Abstract: A network component comprising a generalized multiprotocol label switching (GMPLS) control plane controller configured to implement a method comprising transmitting a message to at least one adjacent control plane controller, wherein the message comprises a Type-Length-Value (TLV) indicating Routing and Wavelength Assignment (RWA) information, wherein the TLV comprises a Node Attribute TLV, a Link Set TLV, or both, and wherein the TLV further comprises at least one sub-TLV indicating additional RWA information. A method comprising communicating an open shortest path first (OSPF) link state advertisement (LSA) message comprising a TLV with at least one sub-TLV to a GMPLS control plane controller, wherein the TLV comprises a Node Attribute TLV, a Link Set TLV, or both, and wherein the TLV further comprises at least one sub-TLV indicating RWA information.

    Abstract translation: 一种网络组件，包括广泛多协议标签交换（GMPLS）控制平面控制器，其被配置为实现包括向至少一个相邻控制平面控制器发送消息的方法，其中所述消息包括指示路由和波长的类型长度值（TLV） 分配（RWA）信息，其中所述TLV包括节点属性TLV，链路集TLV或两者，并且其中所述TLV还包括指示附加RWA信息的至少一个子TLV。 一种方法，包括将包括具有至少一个子TLV的TLV的开放式最短路径优先（OSPF）链路状态通告（LSA）消息）传送到GMPLS控制平面控制器，其中所述TLV包括节点属性TLV，链路集TLV， 或两者，并且其中所述TLV还包括指示RWA信息的至少一个子TLV。

    Extending Routing Protocols to Accommodate Wavelength Switched Optical Networks
    6.
    发明申请
    Extending Routing Protocols to Accommodate Wavelength Switched Optical Networks 有权
    扩展路由协议以适应波长交换光网络

    公开(公告)号：US20140126906A1

    公开(公告)日：2014-05-08

    申请号：US14149580

    申请日：2014-01-07

    Applicant: Futurewei Technologies, Inc.

    Inventor： Greg Bernstein ,  Young Lee

    IPC: H04J14/02 ,  H04Q11/00

    CPC classification number: H04J14/0227 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0284 ,  H04L45/00 ,  H04L45/02 ,  H04L45/62 ,  H04Q11/0003 ,  H04Q11/0062 ,  H04Q2011/0073 ,  H04Q2011/0086

    Abstract: A network component comprising a control plane controller configured to implement a method comprising transmitting routing and wavelength assignment (RWA) information to at least one adjacent control plane controller, wherein the RWA information is transmitted using an interior gateway protocol (IGP). Included is a method comprising communicating a message comprising RWA information to at least one adjacent control plane controller, wherein the message comprises an indication whether the RWA information is static or dynamic. Also included is an apparatus comprising a control plane controller configured to communicate data to at least one adjacent control plane controller, wherein the data comprises RWA information, and wherein the data comprises an indicator that indicates whether the RWA information is associated with a node, a link, or both.

    Abstract translation: 一种网络组件，包括控制平面控制器，该控制平面控制器被配置为实现一种方法，包括向至少一个相邻的控制平面控制器发送路由和波长分配（RWA）信息，其中使用内部网关协议（IGP）发送所述RWA信息。 包括的方法包括将包含RWA信息的消息传送到至少一个相邻的控制平面控制器，其中所述消息包括所述RWA信息是静态还是动态的指示。 还包括一种包括控制平面控制器的装置，该控制平面控制器被配置为将数据传送到至少一个相邻的控制平面控制器，其中数据包括RWA信息，并且其中数据包括指示RWA信息是否与节点相关联的指示符， 链接或两者。

    Port Wavelength Restriction Encoding in Wavelength Switched Optical Network
    7.
    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：US20130230321A1

    公开(公告)日：2013-09-05

    申请号：US13860638

    申请日：2013-04-11

    Applicant: FUTUREWEI TECHNOLOGIES, INC.

    Inventor： Young Lee ,  Greg Bernstein ,  Jianrui Han

    IPC: H04J14/02

    CPC classification number: H04J14/0227 ,  H04Q11/0062 ,  H04Q2011/0073 ,  H04Q2011/0086

    Abstract: 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.

    Abstract translation: 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
    8.
    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：US20130129351A1

    公开(公告)日：2013-05-23

    申请号：US13743812

    申请日：2013-01-17

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein ,  Jianrui Han

    IPC: H04Q11/00

    CPC classification number: H04Q11/0005 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/0267 ,  H04J14/0269 ,  H04Q11/0062 ,  H04Q2011/0011 ,  H04Q2011/0073 ,  H04Q2011/0086

    Abstract: 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.

    Abstract translation: 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。

    System and Method for Wavelength Conversion and Switching
    10.
    发明申请
    System and Method for Wavelength Conversion and Switching 有权
    用于波长转换和切换的系统和方法

    公开(公告)号：US20150155965A1

    公开(公告)日：2015-06-04

    申请号：US14579776

    申请日：2014-12-22

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

    IPC: H04J14/02 ,  H04L12/723 ,  H04Q11/00 ,  H04L12/751

    CPC classification number: H04Q11/0062 ,  H04J14/021 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0227 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0284 ,  H04L45/00 ,  H04L45/02 ,  H04L45/50 ,  H04L45/62 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0058 ,  H04Q2011/0073 ,  H04Q2011/0079 ,  H04Q2011/0086

    Abstract: A network component comprising at least one processor configured to implement a method comprising collecting wavelength availability information associated with a wavelength switched optical network (WSON), receiving a path computation request to transport a signal through the WSON, calculating at least one route through the WSON for the signal, and assigning at least one wavelength for the signal to use along the route. Also disclosed is a network comprising a first path computation element (PCE) configured to compute at least one route for a signal between a source and a destination, and a second PCE in communication with the first PCE, wherein the second PCE is configured to receive the route from the first PCE and assign at least one wavelength to the route.

    Abstract translation: 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，包括收集与波长交换光网络（WSON）相关联的波长可用性信息，接收通过所述WSON传输信号的路径计算请求，通过所述WSON计算至少一个路由 并且为沿着该路线使用的信号分配至少一个波长。 还公开了一种网络，其包括被配置为计算源与目的地之间的信号的至少一个路由的第一路径计算元件（PCE）和与第一PCE通信的第二PCE，其中第二PCE被配置为接收 来自第一个PCE的路由，并将至少一个波长分配给路由。

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