公开(公告)号：US20160234121A1

公开(公告)日：2016-08-11

申请号：US15134495

申请日：2016-04-21

Applicant: Futurewei Technologies, Inc.

Inventor： Ting Zou ,  Haiyong Xie ,  Hongtao Yin

IPC: H04L12/801 ,  H04L12/751 ,  H04L29/08

CPC classification number: H04L47/19 ,  H04L41/0893 ,  H04L41/12 ,  H04L45/02 ,  H04L45/42 ,  H04L45/64 ,  H04L69/329

Abstract: An Application Layer Traffic Optimization (ALTO) node comprising a processor configured to import a first set of network information from one or more software defined networking (SDN) nodes, aggregate the network information received from the SDN nodes, calculate a plurality of traffic optimization decisions based on the aggregated network information, and forward the traffic optimization decisions to the SDN nodes. Also disclosed is a method for optimizing traffic using a SDN node and an Application Layer Traffic Optimization (ALTO) node, the method comprising receiving a request for network resources from a node, obtaining a plurality of traffic optimization information from the ALTO node, negotiating one or more paths with a second SDN node using the traffic optimization information received from the ALTO node, constructing the paths, and sending a response to the node that indicates the node may forward packets via one of the paths.

Abstract translation: 一种应用层流量优化（ALTO）节点，包括被配置为从一个或多个软件定义的网络（SDN）节点导入第一组网络信息的处理器，聚合从所述SDN节点接收的网络信息，计算多个流量优化决策 基于聚合网络信息，并将流量优化决策转发给SDN节点。 还公开了一种使用SDN节点和应用层流量优化（ALTO）节点优化业务的方法，所述方法包括从节点接收对网络资源的请求，从ALTO节点获得多个业务优化信息，协商一个 或多个具有第二SDN节点的路径，使用从ALTO节点接收的业务量优化信息，构建路径，以及向指示节点的节点发送响应，可以经由路径之一转发分组。

公开(公告)号：US20130329601A1

公开(公告)日：2013-12-12

申请号：US13915410

申请日：2013-06-11

Applicant: Futurewei Technologies, Inc.

Inventor： Hongtao Yin ,  Ting Zou ,  Haiyong Xie

IPC: H04L12/751

CPC classification number: H04L45/02 ,  H04L41/0823 ,  H04L45/04 ,  H04L45/34 ,  H04L45/44 ,  H04L45/64 ,  Y04S40/162

Abstract: A method implemented by a software defined network (SDN) controller, the method comprising receiving, from a network node, a request for path optimization, wherein the request comprises information identifying the network node and a destination node, forwarding the request to an application layer traffic optimization (ALTO) server, receiving, from the ALTO server, path information that identifies a plurality of SDN domains to be traversed from the network node to the destination node, wherein the plurality of SDN domains comprises a first SDN domain, in which the SDN controller resides, and a second SDN domain, in which an edge node known by the SDN controller resides, and determining a first path segment from the network node to the edge node.

Abstract translation: 一种由软件定义网络（SDN）控制器实现的方法，所述方法包括从网络节点接收对路径优化的请求，其中所述请求包括标识所述网络节点和目的地节点的信息，将所述请求转发到应用层 流量优化（ALTO）服务器，从ALTO服务器接收标识要从网络节点到目的地节点穿过的多个SDN域的路径信息，其中所述多个SDN域包括第一SDN域，其中， SDN控制器驻留，以及第二SDN域，其中SDN控制器已知的边缘节点驻留在其中，并且确定从网络节点到边缘节点的第一路径段。

公开(公告)号：US20130250770A1

公开(公告)日：2013-09-26

申请号：US13801850

申请日：2013-03-13

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Ting Zou ,  Haiyong Xie ,  Hongtao Yin

IPC: H04L12/70

CPC classification number: H04L47/19 ,  H04L41/0893 ,  H04L41/12 ,  H04L45/02 ,  H04L45/42 ,  H04L45/64 ,  H04L69/329

Abstract: A network node for managing the control plane functions for a plurality of nodes within a software defined networking (SDN) domain, comprising a processor configured to collect a plurality of network information from the nodes, forward the network information based on a plurality of domain-specific policies, receive traffic optimization information based on the network information, and compute forwarding decisions for the nodes based on the traffic optimization information. In another embodiment, an Application Layer Traffic Optimization (ALTO) node, comprising a processor configured to import a first set of network information from one or more SDN nodes, aggregate the network information received from the SDN nodes, calculate a plurality of traffic optimization decisions based on the aggregated network information, and forward the traffic optimization decisions to the SDN nodes.

Abstract translation: 一种用于管理软件定义网络（SDN）域内的多个节点的控制平面功能的网络节点，包括被配置为从所述节点收集多个网络信息的处理器，基于多个域 - 具体策略，基于网络信息接收流量优化信息，并根据流量优化信息计算节点的转发决策。 在另一个实施例中，包括被配置为从一个或多个SDN节点导入第一组网络信息的处理器的应用层业务优化（ALTO）节点聚合从SDN节点接收的网络信息，计算多个业务优化决策 基于聚合网络信息，并将流量优化决策转发给SDN节点。

公开(公告)号：US09584369B2

公开(公告)日：2017-02-28

申请号：US13802297

申请日：2013-03-13

Applicant: Futurewei Technologies, Inc.

Inventor： Hongtao Yin ,  Shujin Zhang ,  Xuesong Dong ,  Bisong Tao ,  Pinzhong Liu ,  Katherine Zhao ,  Lin Han ,  Xiaoyong Yi ,  Ming Li ,  Yonghui Wu

IPC: H04L12/24 ,  H04L12/26

CPC classification number: H04L41/12 ,  H04L43/08

Abstract: A method for network control, comprising receiving a request for a network view from an application at a Software Defined Network (SDN) controller, creating a network view from a network map, wherein the network map comprises a representation of a plurality of network devices and network paths in a SDN-based multiple layer network, and wherein the network view comprises at least a portion of the devices or paths in the network map, and sharing the network view with the application.

Abstract translation: 一种用于网络控制的方法，包括从软件定义网络（SDN）控制器的应用接收对网络视图的请求，从网络图创建网络视图，其中所述网络映射包括多个网络设备的表示，以及 基于SDN的多层网络中的网络路径，并且其中所述网络视图包括所述网络地图中的所述设备或路径的至少一部分，以及与所述应用共享所述网络视图。

公开(公告)号：US09350671B2

公开(公告)日：2016-05-24

申请号：US13801850

申请日：2013-03-13

Applicant: Futurewei Technologies, Inc.

Inventor： Ting Zou ,  Haiyong Xie ,  Hongtao Yin

IPC: H04L12/801 ,  H04L12/24 ,  H04L12/715 ,  H04L12/717

CPC classification number: H04L47/19 ,  H04L41/0893 ,  H04L41/12 ,  H04L45/02 ,  H04L45/42 ,  H04L45/64 ,  H04L69/329

Abstract: A network node for managing the control plane functions for a plurality of nodes within a software defined networking (SDN) domain, comprising a processor configured to collect a plurality of network information from the nodes, forward the network information based on a plurality of domain-specific policies, receive traffic optimization information based on the network information, and compute forwarding decisions for the nodes based on the traffic optimization information. In another embodiment, an Application Layer Traffic Optimization (ALTO) node, comprising a processor configured to import a first set of network information from one or more SDN nodes, aggregate the network information received from the SDN nodes, calculate a plurality of traffic optimization decisions based on the aggregated network information, and forward the traffic optimization decisions to the SDN nodes.

Abstract translation: 一种用于管理软件定义网络（SDN）域内的多个节点的控制平面功能的网络节点，包括被配置为从所述节点收集多个网络信息的处理器，基于多个域 - 具体策略，基于网络信息接收流量优化信息，并根据流量优化信息计算节点的转发决策。 在另一个实施例中，包括被配置为从一个或多个SDN节点导入第一组网络信息的处理器的应用层业务优化（ALTO）节点聚合从SDN节点接收的网络信息，计算多个业务优化决策 基于聚合网络信息，并将流量优化决策转发给SDN节点。

公开(公告)号：US09825867B2

公开(公告)日：2017-11-21

申请号：US15134495

申请日：2016-04-21

Applicant: Futurewei Technologies, Inc.

Inventor： Ting Zou ,  Haiyong Xie ,  Hongtao Yin

IPC: H04L12/801 ,  H04L12/24 ,  H04L12/715 ,  H04L12/751 ,  H04L29/08 ,  H04L12/717

CPC classification number: H04L47/19 ,  H04L41/0893 ,  H04L41/12 ,  H04L45/02 ,  H04L45/42 ,  H04L45/64 ,  H04L69/329

Abstract: An Application Layer Traffic Optimization (ALTO) node comprising a processor configured to import a first set of network information from one or more software defined networking (SDN) nodes, aggregate the network information received from the SDN nodes, calculate a plurality of traffic optimization decisions based on the aggregated network information, and forward the traffic optimization decisions to the SDN nodes. Also disclosed is a method for optimizing traffic using a SDN node and an Application Layer Traffic Optimization (ALTO) node, the method comprising receiving a request for network resources from a node, obtaining a plurality of traffic optimization information from the ALTO node, negotiating one or more paths with a second SDN node using the traffic optimization information received from the ALTO node, constructing the paths, and sending a response to the node that indicates the node may forward packets via one of the paths.

公开(公告)号：US09729424B2

公开(公告)日：2017-08-08

申请号：US13915410

申请日：2013-06-11

Applicant: Futurewei Technologies, Inc.

Inventor： Hongtao Yin ,  Ting Zou ,  Haiyong Xie

IPC: H04L12/751 ,  H04L12/24 ,  H04L12/715 ,  H04L12/721

CPC classification number: H04L45/02 ,  H04L41/0823 ,  H04L45/04 ,  H04L45/34 ,  H04L45/44 ,  H04L45/64 ,  Y04S40/162

Abstract: A method implemented by a software defined network (SDN) controller, the method comprising receiving, from a network node, a request for path optimization, wherein the request comprises information identifying the network node and a destination node, forwarding the request to an application layer traffic optimization (ALTO) server, receiving, from the ALTO server, path information that identifies a plurality of SDN domains to be traversed from the network node to the destination node, wherein the plurality of SDN domains comprises a first SDN domain, in which the SDN controller resides, and a second SDN domain, in which an edge node known by the SDN controller resides, and determining a first path segment from the network node to the edge node.

公开(公告)号：US20140280864A1

公开(公告)日：2014-09-18

申请号：US13802297

申请日：2013-03-13

Applicant: FUTUREWEI TECHNOLOGIES, INC.

Inventor： Hongtao Yin ,  Shujin Zhang ,  Xuesong Dong ,  Bisong Tao ,  Pinzhong Liu ,  Katherine Zhao ,  Lin Han ,  Xiaoyong Yi ,  Ming Li ,  Yonghui Wu

IPC: H04L12/26

CPC classification number: H04L41/12 ,  H04L43/08

Abstract: A method for network control, comprising receiving a request for a network view from an application at a Software Defined Network (SDN) controller, creating a network view from a network map, wherein the network map comprises a representation of a plurality of network devices and network paths in a SDN-based multiple layer network, and wherein the network view comprises at least a portion of the devices or paths in the network map, and sharing the network view with the application.

Abstract translation: 一种用于网络控制的方法，包括从软件定义网络（SDN）控制器的应用接收对网络视图的请求，从网络图创建网络视图，其中所述网络映射包括多个网络设备的表示，以及 基于SDN的多层网络中的网络路径，并且其中所述网络视图包括所述网络地图中的所述设备或路径的至少一部分，以及与所述应用共享所述网络视图。