Methods for Characterizing Optical Switches and Multiplexers/Demultiplexers
    21.
    发明申请
    Methods for Characterizing Optical Switches and Multiplexers/Demultiplexers 有权
    表征光开关和多路复用器/解复用器的方法

    公开(公告)号:US20090046738A1

    公开(公告)日:2009-02-19

    申请号:US12169883

    申请日:2008-07-09

    Abstract: A network component comprising at least one processor configured to implement a method comprising creating a port restriction matrix comprising a plurality of port restrictions, and compressing the port restriction matrix. Included is a method comprising establishing a port wavelength restriction data for an optical component, establishing a port connectivity data for the optical component, and transmitting the port wavelength restriction data and the port connectivity data to a path computation element. Also included is an apparatus comprising a path computation client configured to communicate data to a path computation element, wherein the data comprises a port restriction data.

    Abstract translation: 一种网络组件,包括至少一个处理器,所述至少一个处理器被配置为实现包括创建包括多个端口限制的端口限制矩阵并压缩所述端口限制矩阵的方法。 包括建立光学部件的端口波长限制数据,建立光学部件的端口连接数据以及将端口波长限制数据和端口连接性数据发送到路径计算元件的方法。 还包括一种包括路径计算客户端的设备,其被配置为将数据传送到路径计算元件,其中数据包括端口限制数据。

    System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks
    22.
    发明授权
    System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks 有权
    波长交换光网络中的损伤识别路由和波长分配的系统和方法

    公开(公告)号:US08396364B2

    公开(公告)日:2013-03-12

    申请号:US12695634

    申请日:2010-01-28

    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). 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, establishing impairment aware RWA (IA-RWA) based on the path computation information and a private impairment information for a vendor's equipment, and sending a path and an assigned wavelength based on the IA-RWA to the PCC. Disclosed is a method comprising establishing impairment aware routing and wavelength assignment for a plurality of network elements (NEs) in an optical network using routing and combined WA and IV.

    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)。 还公开了一种网络组件,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,基于所述PCC建立损害感知RWA(IA-RWA) 路径计算信息和供应商设备的私人损害信息,以及将基于IA-RWA的路径和分配的波长发送到PCC。 公开了一种方法,其包括使用路由和组合的WA和IV在光网络中为多个网元(NE)建立损害感知路由和波长分配。

    Distributed Wavelength Conversion Control for Signaling Protocols
    23.
    发明申请
    Distributed Wavelength Conversion Control for Signaling Protocols 有权
    用于信令协议的分布式波长转换控制

    公开(公告)号:US20120148243A1

    公开(公告)日:2012-06-14

    申请号:US13402979

    申请日:2012-02-23

    Abstract: A network component comprising at least one processor configured to implement a method comprising obtaining a wavelength availability information for a path, determining whether to implement a wavelength assignment based on the wavelength availability information, updating the wavelength availability information when the wavelength assignment is to be implemented, and forwarding the wavelength availability information. Also included is a method comprising obtaining a wavelength availability information, comparing a number of wavelengths in the wavelength availability information to a threshold, determining whether to implement wavelength conversion along a path when the number of available wavelengths is less than or about equal to the threshold, and resetting the wavelength availability information when wavelength conversion is to be implemented.

    Abstract translation: 一种网络组件,包括至少一个处理器,所述至少一个处理器被配置为实现一种方法,所述方法包括:获得用于路径的波长可用性信息,基于所述波长可用性信息来确定是否实现波长分配;当要实施所述波长分配 ,并转发波长可用性信息。 还包括一种方法,包括获得波长可用性信息,将波长可用性信息中的波长数量与阈值进行比较,当可用波长的数量小于或等于阈值时,确定是否沿着路径实现波长转换 并且当要实现波长转换时重置波长可用性信息。

    Method for Routing and Wavelength Assignment Information Encoding for Wavelength Switched Optical Networks
    24.
    发明申请
    Method for Routing and Wavelength Assignment Information Encoding for Wavelength Switched Optical Networks 有权
    用于波长切换光网络的路由和波长分配信息编码方法

    公开(公告)号:US20110081148A1

    公开(公告)日:2011-04-07

    申请号:US12965217

    申请日:2010-12-10

    Abstract: An apparatus comprising a network element (NE) configured to communicate at least one of signal constraints and processing capabilities for a plurality of resource blocks (RBs) associated with a network node in a wavelength switched optical network (WSON) node Type-Length-Value (TLV) and signal constraints and processing capabilities associated with a link in a WSON link TLV, wherein the WSON node TLV comprises a node identifier (ID), one or more Generalized Multi-Protocol Label Switching (GMPLS) TLVs, a connectivity matrix TLV, and a resource pool TLV, and wherein the WSON link TLV comprises a link ID, one or more GMPLS TLVs, and a port wavelength restriction TLV.

    Abstract translation: 一种装置,包括被配置为与波长交换光网络(WSON)节点类型长度值中的网络节点相关联的多个资源块(RB)的信号约束和处理能力中的至少一个通信的网元 (TLV)以及与WSON链路TLV中的链路相关联的信号约束和处理能力,其中WSON节点TLV包括节点标识符(ID),一个或多个广义多协议标签交换(GMPLS)TLV,连接矩阵TLV 和资源池TLV,并且其中所述WSON链路TLV包括链路ID,一个或多个GMPLS TLV和端口波长限制TLV。

    Distributed Wavelength Assignment Using Signaling Protocols in Wavelength Switched Optical Networks
    25.
    发明申请
    Distributed Wavelength Assignment Using Signaling Protocols in Wavelength Switched Optical Networks 有权
    在波长交换光网络中使用信令协议的分布式波长分配

    公开(公告)号:US20090110402A1

    公开(公告)日:2009-04-30

    申请号:US12186775

    申请日:2008-08-06

    Abstract: An apparatus comprising a first node configured to forward a wavelength assignment message to a second node, wherein the wavelength assignment message comprises a wavelength set type-length-value (TLV), a wavelength assignment method selection TLV, a supplemental wavelength assignment information TLV, a traffic parameter TLV, or combinations thereof. Also included is a network component comprising at least one processor configured to implement a method comprising obtaining a wavelength set data, a wavelength assignment method selection data, a supplemental wavelength assignment data, a traffic parameter data, or combinations thereof, and using at least one TLV to represent the obtained data. Also included is a method comprising obtaining a wavelength assignment information comprising a wavelength set, a supplemental wavelength assignment information, a wavelength assignment method selection, a traffic parameter, or combinations thereof, and forwarding the wavelength assignment information along a path.

    Abstract translation: 一种装置,包括被配置为将波长分配消息转发到第二节点的第一节点,其中所述波长分配消息包括波长集合类型长度值(TLV),波长分配方法选择TLV,辅助波长分配信息TLV, 交通参数TLV,或其组合。 还包括网络组件,其包括至少一个处理器,其被配置为实现包括获得波长集合数据,波长分配方法选择数据,补充波长分配数据,业务参数数据或其组合的方法,并且使用至少一个 TLV来表示所获得的数据。 还包括获得包括波长组,补充波长分配信息,波长分配方法选择,业务参数或其组合的波长分配信息以及沿着路径转发波长分配信息的方法。

    Distributing Wavelength Compatible with Signaling Protocols
    26.
    发明申请
    Distributing Wavelength Compatible with Signaling Protocols 有权
    分布波长与信令协议兼容

    公开(公告)号:US20090060505A1

    公开(公告)日:2009-03-05

    申请号:US12177368

    申请日:2008-07-22

    Abstract: An apparatus, comprising a first node configured to communicate with a second node to generate a wavelength assignment, wherein the first node is configured to send a wavelength availability information to the second node. Included is a network component comprising at least one processor configured to implement a method, comprising receiving a wavelength availability information, and updating the wavelength availability information using a local wavelength availability information. Also included is a method, comprising acquiring a local wavelength assignment information, calculating a local wavelength availability information, and transmitting the local wavelength availability information to a subsequent network element on a lightpath.

    Abstract translation: 一种装置,包括被配置为与第二节点通信以生成波长分配的第一节点,其中所述第一节点被配置为向所述第二节点发送波长可用性信息。 包括的网络组件包括被配置为实现一种方法的至少一个处理器,包括接收波长可用性信息,以及使用本地波长可用性信息来更新波长可用性信息。 还包括一种方法,包括获取局部波长分配信息,计算局部波长可用性信息,以及将光波长可用信息发送到随后的网络元件。

    Port wavelength restriction encoding in wavelength switched optical network
    27.
    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

    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。

    Extending Path Computation Element Protocol to Accommodate Routing and Wavelength Assignment in Wavelength Switched Optical Networks
    28.
    发明申请
    Extending Path Computation Element Protocol to Accommodate Routing and Wavelength Assignment in Wavelength Switched Optical Networks 有权
    扩展路径计算元素协议以适应波长交换光网络中的路由和波长分配

    公开(公告)号:US20120321308A1

    公开(公告)日:2012-12-20

    申请号:US13596325

    申请日:2012-08-28

    Abstract: A network component comprising at least one processor configured to implement a method comprising transmitting a request to compute a routing assignment, a wavelength assignment, or both for a signal in a wavelength switched optical network, wherein the request comprises a lightpath constraint and wherein the request is transmitted using a path computation element protocol. Also disclosed is a network comprising a first path computation element (PCE) and a path computation client (PCC) in communication with the PCE, wherein the PCC is configured to send a request to and receive a reply from the PCE using a PCE protocol, wherein the request comprises a lightpath constraint. Included is a method comprising sending a discovery advertisement to the at least one PCE that calculates a wavelength assignment, receiving a response comprising a PCE capability information from the PCE, wherein the request and the reply are communicated via a PCE protocol.

    Abstract translation: 一种网络组件,包括至少一个处理器,所述至少一个处理器被配置为实现一种方法,所述方法包括:发送用于计算波长交换光网络中的信号的路由分配,波长分配或两者的请求,其中所述请求包括光路约束,并且其中所述请求 使用路径计算单元协议传输。 还公开了一种网络,包括与PCE通信的第一路径计算元件(PCE)和路径计算客户端(PCC),其中PCC被配置为使用PCE协议向PCE发送请求并从PCE接收回复, 其中所述请求包括光路约束。 包括的方法包括将发现通告发送到计算波长分配的至少一个PCE,从PCE接收包括PCE能力信息的响应,其中通过PCE协议传送请求和答复。

    Port Wavelength Restriction Encoding in Wavelength Switched Optical Network
    29.
    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

    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。

    Extending Routing Protocols to Accommodate Wavelength Switched Optical Networks
    30.
    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:US20090142056A1

    公开(公告)日:2009-06-04

    申请号:US12164768

    申请日:2008-06-30

    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。

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