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。

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。

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。

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。

公开(公告)号：US10938675B2

公开(公告)日：2021-03-02

申请号：US15943401

申请日：2018-04-02

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee

IPC: G06F15/16 ,  H04L12/24

Abstract: A method of negotiating services. The method includes transmitting a service request to a provider device. The service request includes a base level of service at a base cost and alternative levels of service each at an alternative cost. Each of the alternative levels of service includes an alternative service parameter that has been downgraded relative to a corresponding base level service parameter. The alternative cost is less than the base cost. The method includes receiving a confirmation message from the provider device. The confirmation message indicates whether the base level of service or an alternative level of service has been accepted by the provider device. The method also includes receiving data at the base level of service or at the one of the one or more negotiated levels of service in accordance with the confirmation message.

公开(公告)号：US10530631B2

公开(公告)日：2020-01-07

申请号：US15924984

申请日：2018-03-19

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  Haomian Zheng

IPC: H04J14/02 ,  H04L29/08 ,  H04L12/24 ,  H04L29/12

Abstract: A computer-implemented method of requesting a path on a flexi-grid network comprises: sending, by a path computation client (PCC), a request for a path to a path computation element (PCE), the request including the request including: a label that identifies spectrum to be restricted from use in the path; and a channel spacing field; and receiving, by the PCC and from the PCE, a response to the request, the response including an identifier of an assigned path on the flexi-grid network.

公开(公告)号：US10516550B2

公开(公告)日：2019-12-24

申请号：US15905558

申请日：2018-02-26

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  Dhruv Dhody ,  Haomian Zheng ,  Ricard Vilalta

IPC: H04L12/46 ,  H04L29/06 ,  H04L12/24 ,  H04L12/715

Abstract: A CNC includes a processor configured to import a VPN-specific service model for a VPN service and map the VPN-specific service model to one or more TE-specific parameters. The CNC includes a memory coupled to the processor and configured to store a mapping between a VPN ID of the VPN service and a tunnel ID of a TE tunnel established for the VPN service. The TE tunnel satisfies the one or more TE-specific parameters.

公开(公告)号：US20190363789A1

公开(公告)日：2019-11-28

申请号：US15987778

申请日：2018-05-23

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  Yufei Wang

IPC: H04B10/079 ,  H04B10/50 ,  H04B10/60 ,  H04B10/25

Abstract: A method implemented by a domain controller in a network comprises transmitting, by a transmitter of the domain controller to a super controller, an update message comprising path information for one or more parallel paths having a common wavelength from a source to a destination, wherein the one or more parallel paths are free of optical impairments when the update message is transmitted to the super controller, receiving, by a receiver of the domain controller from the super controller, an initiate message comprising an identifier of a path selected from the one or more parallel paths, and provisioning, by a processor of the domain controller, the path based on a verification that the path selected by the super controller is free of optical impairments.

公开(公告)号：US20190190746A1

公开(公告)日：2019-06-20

申请号：US15845651

申请日：2017-12-18

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  Italo Busi

IPC: H04L12/46 ,  H04L12/24 ,  H04L12/813

Abstract: A method implemented by a customer network controller (CNC) in a network comprises storing, by a memory of the CNC, a mapping between a virtual local area network (VLAN) identifier (ID) of a VLAN, an application ID of an application executed in the VLAN, and a service policy associated with the application, the service policy defining a network requirement for the application, the VLAN being associated with a customer edge (CE), transmitting, by a transmitter of the CNC, a tunnel creation request comprising the VLAN ID, the application ID, and the service policy, and storing, by the memory, a tunnel ID of a tunnel established in response to the tunnel creation request, the tunnel defining a path between an ingress provider edge (PE) node and an egress PE node that satisfies the service policy.

公开(公告)号：US10200253B2

公开(公告)日：2019-02-05

申请号：US15346423

申请日：2016-11-08

Applicant: Futurewei Technologies, Inc.

Inventor： Young Lee ,  Dhruv Dhody

IPC: G06F15/16 ,  H04L12/24 ,  H04L12/46 ,  H04L12/723

Abstract: A method for establishing end-to-end tunnels extending across multiple domains using a network element. The method includes receiving a request from a customer controller to implement a virtual network (VN) created by the customer controller, wherein the VN identifies the end-to-end tunnels extending across the multiple domains, mapping the VN to available resources based on network constraints in response to the request, and transmitting, after the VN has been mapped, a message to a network controller managing one of the domains that includes a network path used to form a portion of one of the end-to-end tunnels, wherein the message includes an association object having a Type-Length-Value (TLV) field containing a virtual network identifier binding the network path to the VN.