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.

公开(公告)号：US20190068403A1

公开(公告)日：2019-02-28

申请号：US15689869

申请日：2017-08-29

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  James N. Guichard ,  Dhruv Dhody

IPC: H04L12/46 ,  H04L12/24

CPC classification number: H04L12/4633 ,  H04L12/4641 ,  H04L41/12 ,  H04L45/00

Abstract: A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using a first network controller element managing a first domain is provided. The method includes receiving a request from a second network controller element managing the first network controller element for an intra-domain locally-learned tunnel identifier (LLTI), sending an instruction to an egress network element of the first domain to generate the intra-domain LLTI in accordance with the request, receiving the intra-domain LLTI from the egress network element in accordance with the instruction, and sending the intra-domain LLTI to an ingress network element of the first domain. A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using an inter-domain LLTI is provided.

公开(公告)号：US09954611B1

公开(公告)日：2018-04-24

申请号：US15382242

申请日：2016-12-16

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  Yufei Wang ,  Wei Wang ,  Haomian Zheng

IPC: H04J14/02 ,  H04B10/079 ,  H04L12/24 ,  H04L12/727

CPC classification number: H04B10/07957 ,  H04J14/0227 ,  H04L41/12 ,  H04L41/20 ,  H04L45/121

Abstract: A method including determining, for each reachable source-destination (S-D) node pair, a maximal number of optical channel (OCh) paths available for source-destination node pair connections and determining, if a preselected latency threshold is specified, for all available OCh paths a maximal number of paths satisfying the preselected latency threshold. The available OCh paths are reported to a Multi-Domain Service coordinator (MDSC).

公开(公告)号：US09942137B2

公开(公告)日：2018-04-10

申请号：US15244813

申请日：2016-08-23

Applicant: Futurewei Technologies, Inc.

Inventor： Greg Bernstein ,  Young Lee

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

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.

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。

公开(公告)号：US20150326473A1

公开(公告)日：2015-11-12

申请号：US14708104

申请日：2015-05-08

Applicant: Futurewei Technologies, Inc.

Inventor： Linda Dunbar ,  Young Lee ,  Andrew G. Malis

IPC: H04L12/723 ,  H04L12/721 ,  H04L12/705

CPC classification number: H04L12/4633

Abstract: An apparatus comprising an ingress port, an egress port, a port associated with a service function, a memory, and a processor coupled to the ingress port, the egress port, the port, and the memory, and configured to receive from the ingress port a data packet that comprises a packet header that is associated with a service identifier (ID), forward the data packet to the port for processing by the service function, receive the data packet from the port in response to forwarding the data packet to the port, and forward the data packet to the egress port to a network node.

Abstract translation: 一种装置，包括入口端口，出口端口，与服务功能相关联的端口，存储器和耦合到入口端口，出口端口，端口和存储器的处理器，并且被配置为从入口端口 包括与服务标识符（ID）相关联的分组报头的数据分组，将数据分组转发到端口以由服务功能处理，响应于将数据分组转发到端口，从端口接收数据分组 ，并将数据包转发到出口端口到网络节点。

公开(公告)号：US20150256465A1

公开(公告)日：2015-09-10

申请号：US14635515

申请日：2015-03-02

Applicant: Futurewei Technologies, Inc.

Inventor： Thomas Benjamin Mack-Crane ,  Young Lee ,  Maarten Vissers

IPC: H04L12/851 ,  H04L29/08

CPC classification number: H04L41/12

Abstract: A method implemented by a network controller in a software-defined network (SDN), the method comprising obtaining a first control macro (CM) that defines at least one first flow pattern, wherein the first CM comprises at least one command and at least one parameter associated with the command, identifying a first network function associated with the first flow pattern and a first network node, determining a parameter value for the parameter according to the first network function, and sending a first CM invocation message to the first network node to request execution of the first CM to establish the first network function, wherein the first CM invocation message comprises the parameter value.

Abstract translation: 一种由软件定义网络（SDN）中的网络控制器实现的方法，所述方法包括获得限定至少一个第一流模式的第一控制宏（CM），其中所述第一CM包括至少一个命令和至少一个 参数，识别与第一流程模式相关联的第一网络功能和第一网络节点，根据第一网络功能确定参数的参数值，以及向第一网络节点发送第一CM调用消息到 请求执行第一CM以建立第一网络功能，其中第一CM调用消息包括参数值。

公开(公告)号：US20150249572A1

公开(公告)日：2015-09-03

申请号：US14635535

申请日：2015-03-02

Applicant: Futurewei Technologies, Inc.

Inventor： Thomas Benjamin Mack-Crane ,  Maarten Vissers ,  Young Lee

IPC: H04L12/24 ,  H04L12/813

CPC classification number: H04L43/0811 ,  H04L41/0816 ,  H04L45/38 ,  H04L45/54 ,  H04L45/64

Abstract: A method implemented in a network element (NE), comprising receiving a flow configuration message identifying a flow context in a software-defined network (SDN) and a network control associated with the flow context, wherein the flow configuration message comprises a function object (FO) reference that identifies the network control, generating an FO based on the FO reference, wherein the FO comprises a plurality of network behaviors associated with the network control, and performing the network control for the flow context based on the FO generated by the NE.

Abstract translation: 一种在网络元件（NE）中实现的方法，包括接收标识软件定义网络（SDN）中的流环境的流配置消息和与所述流上下文相关联的网络控制，其中所述流配置消息包括功能对象 FO）参考，其标识网络控制，基于FO参考生成FO，其中FO包括与网络控制相关联的多个网络行为，并且基于由NE产生的FO执行针对流环境的网络控制 。

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。

公开(公告)号：US08964738B2

公开(公告)日：2015-02-24

申请号：US14279733

申请日：2014-05-16

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee

IPC: H04L12/28 ,  H04L12/721 ,  H04L12/715 ,  H04L12/723 ,  H04L12/755 ,  H04L12/703 ,  H04L12/24

CPC classification number: H04L45/38 ,  H04L41/0816 ,  H04L41/0826 ,  H04L45/021 ,  H04L45/04 ,  H04L45/28 ,  H04L45/502

Abstract: A system for a global concurrent path computation in a communication network is disclosed. The system includes a path computation element communication protocol, wherein the protocol includes an indicator field indicating the global concurrent path computation, a global objective function field providing an overarching objective function, a global constraint field specifying at least one global constraint, a global concurrent vector field specifying at least one path computation request, and another indicator field indicating an outcome of a path computation request.

Abstract translation: 公开了一种用于通信网络中的全局并发路径计算的系统。 所述系统包括路径计算单元通信协议，其中所述协议包括指示全局并发路径计算的指示符字段，提供总体目标函数的全局目标函数域，指定至少一个全局约束的全局约束域，全局并发向量 指定至少一个路径计算请求的字段，以及指示路径计算请求的结果的另一指示符字段。