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    Representing Bandwidth Constraints in Partially Controlled Environments
    11.
    发明申请
    Representing Bandwidth Constraints in Partially Controlled Environments 有权
    代表部分控制环境中的带宽约束

    公开(公告)号：US20140016467A1

    公开(公告)日：2014-01-16

    申请号：US13937942

    申请日：2013-07-09

    Applicant: Futurewei Technologies, Inc.

    Inventor： Greg Bernstein ,  Young Lee

    IPC: H04L12/801

    CPC classification number: H04L47/10 ,  H04L45/124

    Abstract: Disclosed is a network element (NE) comprising a receiver configured to receive a path computation request, a path computation element (PCE) coupled to the receiver and configured to compute a group of network paths through a network of NEs operating in a network stratum in response to the path computation request, wherein each network path comprises one or more physical links, and compute at least one constraint for each physical link, and an abstraction module coupled to the PCE and configured to receive the computed network path set and constraints, compute one or more abstract links that describe the network path group, and compute a constraint for each abstract link based on the physical link constraints.

    Abstract translation: 公开了一种网络元件（NE），其包括被配置为接收路径计算请求的接收器，耦合到接收器的路径计算元件（PCE），并且被配置为通过在网络层中操作的网络网络来计算一组网络路径 响应于所述路径计算请求，其中每个网络路径包括一个或多个物理链路，并且为每个物理链路计算至少一个约束;以及抽象模块，其耦合到所述PCE并被配置为接收所计算的网络路径集合和约束，计算 描述网络路径组的一个或多个抽象链接，并且基于物理链路约束计算每个抽象链接的约束。

    Path computation element protocol (PCEP) operations to support wavelength switched optical network routing, wavelength assignment, and impairment validation
    12.
    发明授权
    Path computation element protocol (PCEP) operations to support wavelength switched optical network routing, wavelength assignment, and impairment validation 有权
    路径计算单元协议（PCEP）操作，以支持波长交换光网络路由，波长分配和损害验证

    公开(公告)号：US08923695B2

    公开(公告)日：2014-12-30

    申请号：US13685015

    申请日：2012-11-26

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

    IPC: H04B10/00 ,  H04J14/02 ,  H04L12/751 ,  H04L12/717 ,  H04L12/721 ,  H04Q11/00

    CPC classification number: H04Q11/0062 ,  H04J14/0227 ,  H04J14/0257 ,  H04J14/0258 ,  H04J14/0267 ,  H04J14/0269 ,  H04J14/0271 ,  H04L45/02 ,  H04L45/42 ,  H04L45/44 ,  H04L45/62 ,  H04Q11/0005 ,  H04Q2011/0073 ,  H04Q2011/0086

    Abstract: An apparatus comprising a path computation element (PCE) configured for at least partial impairment aware routing and wavelength assignment (RWA) and to communicate with a path computation client (PCC) based on a PCE protocol (PCEP) that supports path routing, wavelength assignment (WA), and impairment validation (IV). The PCEP comprises at least one operation selected from the group consisting of a new RWA path request operation and a path re-optimization request operation. Also disclosed is a network component comprising at least one processor configured to implement a method comprising establishing a PCEP session with a PCC, receiving path computation information comprising RWA information and constraints from the PCC, and establishing impairment aware RWA (IA-RWA) based on the path computation information and a private impairment information for a vendor's equipment.

    Abstract translation: 一种装置，包括被配置用于至少部分受损认知路由和波长分配（RWA）并且基于支持路径路由的PCE协议（PCEP）与路径计算客户端（PCC）通信的路径计算元件（PCE），波长分配 （WA）和减值确认（IV）。 PCEP包括从由新的RWA路径请求操作和路径重新优化请求操作组成的组中选择的至少一个操作。 还公开了一种网络组件，其包括至少一个处理器，其被配置为实现包括与PCC建立PCEP会话的方法，包括来自PCC的RWA信息和约束的接收路径计算信息，以及基于PCC的建立受损认知的RWA（IA-RWA） 路径计算信息和供应商设备的私有损伤信息。

    Software Defined Network Virtualization Utilizing Service Specific Topology Abstraction and Interface
    13.
    发明申请
    Software Defined Network Virtualization Utilizing Service Specific Topology Abstraction and Interface 有权
    软件定义的网络虚拟化利用服务特定的拓扑抽象和接口

    公开(公告)号：US20140098673A1

    公开(公告)日：2014-04-10

    申请号：US14022676

    申请日：2013-09-10

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

    IPC: H04L12/733 ,  H04L12/24

    CPC classification number: H04L45/126 ,  H04L41/12 ,  H04L45/02 ,  H04L45/1283 ,  H04L45/64

    Abstract: A computer program product comprising computer executable instructions stored on a non-transitory computer readable medium such that when executed by a processor cause a service specific virtual topology base, positioned in a network stratum, to receive a virtual service negotiation initiation message from an application stratum component, wherein the initiation message comprises a plurality of network source addresses, a plurality of network destination addresses, and a service specific objective, obtain a plurality of computed network paths that traverse a network of network stratum Network Elements (NEs) between the network source addresses and the network destination addresses and meet the service specific objective, and calculate service specific virtual topology that abstractly represents the computed service specific network paths.

    Abstract translation: 一种计算机程序产品，包括存储在非暂时计算机可读介质上的计算机可执行指令，使得当由处理器执行时，导致位于网络层中的服务特定虚拟拓扑基础从应用层接收虚拟服务协商启动消息 组件，其中所述发起消息包括多个网络源地址，多个网络目的地地址和服务特定目标，获得穿过所述网络源之间的网络层网络元素（NE）的网络的多个计算的网络路径 地址和网络目的地址，并满足服务特定目标，并计算抽象地表示计算出的服务特定网络路径的服务特定虚拟拓扑。

    Port wavelength restriction encoding in wavelength switched optical network
    14.
    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：US08630543B2

    公开(公告)日：2014-01-14

    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。

    System and method for wavelength conversion and switching
    17.
    发明授权
    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：US09571223B2

    公开(公告)日：2017-02-14

    申请号：US14579776

    申请日：2014-12-22

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

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

    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。

    Extending routing protocols to accommodate wavelength switched optical networks
    19.
    发明授权
    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：US09300428B2

    公开(公告)日：2016-03-29

    申请号：US14149580

    申请日：2014-01-07

    Applicant: Futurewei Technologies, Inc.

    Inventor： Greg Bernstein ,  Young Lee

    IPC: H04B10/00 ,  H04J14/02 ,  H04L12/701 ,  H04L12/751 ,  H04L12/721 ,  H04Q11/00 ,  H04J14/00

    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。

    Software defined network virtualization utilizing service specific topology abstraction and interface
    20.
    发明授权
    Software defined network virtualization utilizing service specific topology abstraction and interface 有权
    软件定义的网络虚拟化利用服务特定的拓扑抽象和接口

    公开(公告)号：US09276838B2

    公开(公告)日：2016-03-01

    申请号：US14022676

    申请日：2013-09-10

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Greg Bernstein

    IPC: H04L12/733 ,  H04L12/24 ,  H04L12/751 ,  H04L12/715 ,  H04L12/735

    CPC classification number: H04L45/126 ,  H04L41/12 ,  H04L45/02 ,  H04L45/1283 ,  H04L45/64

    Abstract: A computer program product comprising computer executable instructions stored on a non-transitory computer readable medium such that when executed by a processor cause a service specific virtual topology base, positioned in a network stratum, to receive a virtual service negotiation initiation message from an application stratum component, wherein the initiation message comprises a plurality of network source addresses, a plurality of network destination addresses, and a service specific objective, obtain a plurality of computed network paths that traverse a network of network stratum Network Elements (NEs) between the network source addresses and the network destination addresses and meet the service specific objective, and calculate service specific virtual topology that abstractly represents the computed service specific network paths.

    Abstract translation: 一种计算机程序产品，包括存储在非暂时计算机可读介质上的计算机可执行指令，使得当由处理器执行时，导致位于网络层中的服务特定虚拟拓扑基础从应用层接收虚拟服务协商启动消息 组件，其中所述发起消息包括多个网络源地址，多个网络目的地地址和服务特定目标，获得穿过所述网络源之间的网络层网络元素（NE）的网络的多个计算的网络路径 地址和网络目的地址，并满足服务特定目标，并计算抽象地表示计算出的服务特定网络路径的服务特定虚拟拓扑。

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