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    HYBRID ELECTRO-OPTICAL DISTRIBUTED SOFTWARE-DEFINED DATA CENTER ARCHITECTURE
    4.
    发明申请
    HYBRID ELECTRO-OPTICAL DISTRIBUTED SOFTWARE-DEFINED DATA CENTER ARCHITECTURE 有权
    混合电光分布式软件定义数据中心架构

    公开(公告)号：US20150147060A1

    公开(公告)日：2015-05-28

    申请号：US14551973

    申请日：2014-11-24

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  PHILIP NAN JI ,  YAWEI YIN

    IPC: H04Q11/00 ,  H04J14/02

    CPC classification number: H04Q11/0005 ,  H04J14/0202 ,  H04J14/0205 ,  H04J14/0212 ,  H04J14/0283 ,  H04Q11/0071 ,  H04Q2011/0052

    Abstract: A hybrid electro-optical data center system includes multiple tiers. A bottom tier has one or more bottom tier instances, with each bottom tier instance including one or more racks, an electro-optical switch corresponding to each rack, and a first bottom tier optical loop providing optical connectivity between the electro-optical switches of the respective bottom tier instance. At least one server within each rack is electrically connected to the respective electro-optical switch and at least one super-server within each rack is electrically and optically connected to the respective electro-optical switch. A top tier includes electro-optical switches, each electrically connected to an electro-optical switch in a respective bottom tier instance, a first top tier optical loop providing optical connectivity between the electro-optical switches of the top tier, and one or more optical add/drop modules providing optical connectivity between the first bottom tier optical loop and the first top tier optical loop.

    Abstract translation: 混合电光数据中心系统包括多层。 底层具有一个或多个底层实例，每个底层实例包括一个或多个机架，对应于每个机架的电光开关，以及提供光电开关之间的光学连接的第一底层光环路 各自底层实例。 每个机架内的至少一个服务器电连接到相应的电光开关，并且每个机架内的至少一个超级服务器电和光学连接到相应的电光开关。 顶层包括电光开关，每个电光开关在相应的底层实例中电连接到电光开关，第一顶层光环路提供顶层的电光开关之间的光学连接，以及一个或多个光学 在第一底层光环路和第一顶层光环路之间提供光连接的添加/分出模块。

    Grooming Multicast Traffic in Flexible Optical Wavelength Division Multiplexing WDM Networks
    5.
    发明申请
    Grooming Multicast Traffic in Flexible Optical Wavelength Division Multiplexing WDM Networks 审中-公开
    柔性光波分复用WDM网络中的整合组播流量

    公开(公告)号：US20140147120A1

    公开(公告)日：2014-05-29

    申请号：US14085000

    申请日：2013-11-20

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip Nan Ji ,  Ting Wang

    IPC: H04J14/02

    CPC classification number: H04J14/0238 ,  H04J14/0257 ,  H04J14/0267 ,  H04L45/16

    Abstract: The present invention is directed to a solution for grooming multicast traffic in flexible optical wavelength division multiplexing WDM networks. The invention includes a solution for grooming multicast traffic in flexible optical wavelength division multiplexing networks into a solving a multicast routing sub-problem, solving a a grooming sub-problem; and solving a wavelength assignment and spectrum allocation sub-problem.

    Abstract translation: 本发明涉及一种用于在柔性光波分复用WDM网络中整理组播业务的解决方案。 本发明包括将柔性光波分复用网络中的组播流量整理为解决组播路由子问题，解决梳理子问题的解决方案; 并解决波长分配和频谱分配子问题。

    Provisioning time-varying traffic in software-defined flexible grid transport networks
    6.
    发明授权
    Provisioning time-varying traffic in software-defined flexible grid transport networks 有权
    在软件定义的灵活网格传输网络中提供时变流量

    公开(公告)号：US09571222B2

    公开(公告)日：2017-02-14

    申请号：US14447064

    申请日：2014-07-30

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip N. Ji

    IPC: H04J3/16 ,  H04J14/02 ,  H04B10/27 ,  H04L12/725 ,  H04L12/729 ,  H04L12/721

    CPC classification number: H04J14/0227 ,  H04B10/27 ,  H04J14/0257 ,  H04L41/0896 ,  H04L45/125 ,  H04L45/302 ,  H04L45/62 ,  H04L47/25 ,  H04L47/37 ,  H04L47/72

    Abstract: A method is provided for provisioning time-varying traffic demands in an optical transport software-defined network. The method includes pre-provisioning an amount of bandwidth for best effort traffic. The method further includes iteratively applying, using a processor, an iterative simulated annealing-based traffic provisioning procedure to determine candidate bandwidths for the best effort traffic in a set of iterations. The method also includes selecting a particular candidate bandwidth that has a corresponding blocking value lower than a given blocking requirement β and that requires a minimum amount of spectrum as compared to other candidate bandwidths. The iteratively applying step includes varying the amount of bandwidth for best effort traffic in each iteration to determine the candidate bandwidths. The iteratively applying step further includes varying an amount of shared bandwidth between neighboring channels, out of the amount of bandwidth for best effort traffic, in each iteration, to further determine the candidate bandwidths.

    Abstract translation: 提供了一种用于在光传输软件定义的网络中提供时变业务需求的方法。 该方法包括为最佳努力流量预先设置一定量的带宽。 该方法还包括使用处理器迭代地应用基于迭代模拟退火的流量提供过程来确定一组迭代中最佳努力流量的候选带宽。 该方法还包括选择具有低于给定阻塞需求β的相应阻塞值的特定候选带宽，并且与其他候选带宽相比需要最小量的频谱。 迭代应用步骤包括在每次迭代中改变最佳努力流量的带宽量以确定候选带宽。 迭代应用步骤还包括：在每次迭代中，在最大努力流量的带宽量之外，在相邻信道之间改变共享带宽的量，以进一步确定候选带宽。

    Hybrid electro-optical distributed software-defined data center architecture
    7.
    发明授权
    Hybrid electro-optical distributed software-defined data center architecture 有权
    混合光电分布式软件定义数据中心架构

    公开(公告)号：US09247325B2

    公开(公告)日：2016-01-26

    申请号：US14551973

    申请日：2014-11-24

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip Nan Ji ,  Yawei Yin

    IPC: H04J14/02 ,  H04Q11/00

    CPC classification number: H04Q11/0005 ,  H04J14/0202 ,  H04J14/0205 ,  H04J14/0212 ,  H04J14/0283 ,  H04Q11/0071 ,  H04Q2011/0052

    Abstract: A hybrid electro-optical data center system includes multiple tiers. A bottom tier has one or more bottom tier instances, with each bottom tier instance including one or more racks, an electro-optical switch corresponding to each rack, and a first bottom tier optical loop providing optical connectivity between the electro-optical switches of the respective bottom tier instance. At least one server within each rack is electrically connected to the respective electro-optical switch and at least one super-server within each rack is electrically and optically connected to the respective electro-optical switch. A top tier includes electro-optical switches, each electrically connected to an electro-optical switch in a respective bottom tier instance, a first top tier optical loop providing optical connectivity between the electro-optical switches of the top tier, and one or more optical add/drop modules providing optical connectivity between the first bottom tier optical loop and the first top tier optical loop.

    Abstract translation: 混合电光数据中心系统包括多层。 底层具有一个或多个底层实例，每个底层实例包括一个或多个机架，对应于每个机架的电光开关，以及提供光电开关之间的光学连接的第一底层光环路 各自底层实例。 每个机架内的至少一个服务器电连接到相应的电光开关，并且每个机架内的至少一个超级服务器电和光学连接到相应的电光开关。 顶层包括电光开关，每个电光开关在相应的底层实例中电连接到电光开关，第一顶层光环路提供顶层的电光开关之间的光学连接，以及一个或多个光学 在第一底层光环路和第一顶层光环路之间提供光连接的添加/分出模块。

    NETWORK FOLLOWED BY COMPUTE LOAD BALANCING PROCEDURE FOR EMBEDDING CLOUD SERVICES IN SOFTWARE-DEFINED FLEXIBLE-GRID OPTICAL TRANSPORT NETWORKS
    9.
    发明申请
    NETWORK FOLLOWED BY COMPUTE LOAD BALANCING PROCEDURE FOR EMBEDDING CLOUD SERVICES IN SOFTWARE-DEFINED FLEXIBLE-GRID OPTICAL TRANSPORT NETWORKS 有权
    软件定义灵活网格运输网络中嵌入云服务的计算机负载平衡程序后的网络

    公开(公告)号：US20150046592A1

    公开(公告)日：2015-02-12

    申请号：US14317156

    申请日：2014-06-27

    Applicant: NEC Laboratories America, Inc.

    Inventor： Ankitkumar N. Patel ,  Philip Nan Ji

    IPC: H04L29/08

    CPC classification number: H04L67/1036

    Abstract: A method for providing cloud embedding using Network followed by Compute Load Balancing (NCLB) by mapping one or more virtual links over one or more physical links while balancing network resources, and mapping one or more virtual nodes over one or more physical nodes while balancing different types of computational resources.

    Abstract translation: 一种使用网络跟随计算负载平衡（NCLB）提供云嵌入的方法，通过在平衡网络资源的同时在一个或多个物理链路上映射一个或多个虚拟链路，并在一个或多个物理节点上映射一个或多个虚拟节点，同时平衡不同的 计算资源类型。

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