公开(公告)号：US20160099868A1

公开(公告)日：2016-04-07

申请号：US14966307

申请日：2015-12-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai

IPC: H04L12/721 ,  H04L29/08

CPC classification number: H04L45/38 ,  H04L12/6418 ,  H04L41/0806 ,  H04L41/0893 ,  H04L67/327

Abstract: Embodiments of the present invention provide a method for processing a packet in a software-defined network (Software-Defined Network), where the method is performed by a forwarder, and the method includes: receiving an input packet; determining a flow to which the input packet belongs according to the input packet; determining a context identifier set corresponding to the flow to which the input packet belongs according to a first correspondence between flows and context identifier sets, where a context identifier set corresponding to each flow in the first correspondence includes at least one context identifier; determining a context corresponding to the context identifier set according to a second correspondence between context identifiers and contexts; and processing the input packet according to the context corresponding to the context identifier set.

Abstract translation: 本发明的实施例提供了一种在软件定义网络（软件定义网络）中处理分组的方法，其中所述方法由转发器执行，并且所述方法包括：接收输入分组; 根据输入的分组确定输入分组所属的流; 根据流和上下文标识符集合之间的第一对应关系，确定与输入分组所属的流对应的上下文标识符集合，其中对应于第一对应中的每个流的上下文标识符集包括至少一个上下文标识符; 根据上下文标识符和上下文之间的第二对应来确定与所述上下文标识符集相对应的上下文; 以及根据与所述上下文标识符集合对应的上下文来处理所述输入分组。

公开(公告)号：US20150111531A1

公开(公告)日：2015-04-23

申请号：US14581888

申请日：2014-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hui Cai ,  Shiyong Tan ,  Hui Ni

IPC: H04M15/00 ,  H04W4/24

CPC classification number: H04M15/66 ,  H04L12/1403 ,  H04W4/24

Abstract: Embodiments of the present invention provide a processing method of gateway charging and a gateway, where a gateway is divided into two sub-gateways. The method includes, detecting, by a first sub-gateway, a current status of an access user if the first sub-gateway receives an online message, a newly establishing bearer message or a status change indication message of at least one access user. The method further includes sending, a first message to the second sub-gateway if the first sub-gateway determines that the at least one access user complies with a predefined rule of charging delayed reporting, where the first message indicates a charging policy corresponding to a current status of the at least one access user, and indicates, to the second sub-gateway, a delay of sending measured charging information, and receiving, charging information corresponding to all the statuses of the at least one access user that meets a reporting condition.

Abstract translation: 本发明的实施例提供了网关计费的处理方法和网关，其中网关被分成两个子网关。 该方法包括：如果第一子网关接收到在线消息，新建立承载消息或至少一个接入用户的状态改变指示消息，则由第一子网关检测接入用户的当前状态。 所述方法还包括：如果所述第一子网关确定所述至少一个接入用户符合预定的计费延迟报告规则，则向所述第二子网关发送第一消息，其中所述第一消息指示对应于 所述至少一个接入用户的当前状态，并向所述第二子网关指示发送测量的计费信息的延迟，以及接收对应于满足报告条件的所述至少一个接入用户的所有状态的计费信息 。

公开(公告)号：US10397138B2

公开(公告)日：2019-08-27

申请号：US15680007

申请日：2017-08-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai ,  Weihua Hu

IPC: H04W76/12 ,  H04W88/16 ,  H04L12/741 ,  H04L12/947 ,  H04L12/14 ,  H04M15/00 ,  H04W4/24

Abstract: Embodiments of the present invention provide a method for processing information, a forwarding plane device and a control plane device. The method includes: receiving a data packet, and extracting the data packet's characteristic information; searching for context information corresponding to the data packet's characteristic information; buffering or discarding the data packet if the context information is not found; and sending an event reporting message to a gateway control plane device, wherein the event reporting message carries the data packet's characteristic information, so that the gateway control plane device acquires the context information corresponding to the data packet's characteristic information. forwarding of the data packet to the greatest extent.

公开(公告)号：US09461894B2

公开(公告)日：2016-10-04

申请号：US14615362

申请日：2015-02-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hui Ni ,  Shiyong Tan ,  Hui Cai

IPC: H04L12/26 ,  H04L12/801 ,  H04L12/701 ,  H04L29/06 ,  H04L29/08

CPC classification number: H04L43/028 ,  H04L45/00 ,  H04L47/10 ,  H04L47/35 ,  H04L63/0245 ,  H04L63/1416 ,  H04L63/20 ,  H04L69/161 ,  H04L69/22 ,  H04L69/32

Abstract: Embodiments of the present disclosure provide a packet processing method, a DPI network element and a DPI device. The method includes: determining, according to a packet feature of a first packet of a service flow, that a first deep packet inspection DPI device is used for performing DPI on the first packet, where DPI needs to be performed on the first packet; sending a first DPI request to the first DPI device, wherein the first DPI request includes all or part of contents of the first packet; and receiving a first DPI response that is sent by the first DPI device according to the first DPI request, wherein the first DPI response includes DPI result. The packet processing method, the DPI network element and the DPI device of the embodiments of the present disclosure can realize support for a network environment deployed with multiple DPI devices.

Abstract translation: 本公开的实施例提供了分组处理方法，DPI网络单元和DPI设备。 该方法包括：根据服务流的第一分组的分组特征，确定第一深度分组检查DPI设备用于在第一分组上执行DPI，其中DPI需要对第一分组执行; 向所述第一DPI设备发送第一DPI请求，其中所述第一DPI请求包括所述第一分组的全部或部分内容; 以及接收根据所述第一DPI请求由所述第一DPI设备发送的第一DPI响应，其中所述第一DPI响应包括DPI结果。 本公开的实施例的分组处理方法，DPI网元和DPI设备可以实现对部署有多个DPI设备的网络环境的支持。

公开(公告)号：US20150110121A1

公开(公告)日：2015-04-23

申请号：US14581240

申请日：2014-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai ,  Weihua Hu

IPC: H04L12/947 ,  H04L12/741

CPC classification number: H04L49/252 ,  H04L45/74 ,  H04W76/12 ,  H04W88/16

Abstract: Embodiments of the present invention provide a method for processing information, a forwarding plane device and a control plane device. The method includes: receiving a data packet, and extracting characteristic information of the data packet; searching for context information corresponding to the characteristic information of the data packet; buffering or discarding the data packet if the context information is not found; and sending an event reporting message to a gateway control plane device, wherein the event reporting message carries the characteristic information of the data packet, so that the gateway control plane device acquires the context information corresponding to the characteristic information of the data packet. In this way, the gateway forwarding plane device can acquire context information to the greatest extent under the condition that the context information is lost, thereby ensuring accurate forwarding of the data packet to the greatest extent.

Abstract translation: 本发明的实施例提供一种处理信息的方法，转发平面装置和控制平面装置。 该方法包括：接收数据包，并提取数据包的特征信息; 搜索与数据分组的特征信息对应的上下文信息; 如果没有找到上下文信息，缓冲或丢弃数据包; 向所述网关控制平面装置发送事件报告消息，所述事件报告消息携带所述数据分组的特征信息，使得所述网关控制平面装置获取与所述数据分组的特征信息对应的上下文信息。 以这种方式，在上下文信息丢失的情况下，网关转发平面设备可以最大程度地获取上下文信息，从而最大限度地保证数据包的精确转发。

公开(公告)号：US20200028801A1

公开(公告)日：2020-01-23

申请号：US16530558

申请日：2019-08-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai ,  Weihua Hu

IPC: H04L12/947 ,  H04W76/12 ,  H04L12/14 ,  H04M15/00 ,  H04W4/24 ,  H04L12/741

Abstract: Embodiments of the present invention provide a method for processing information, a forwarding plane device and a control plane device. The method includes: receiving a data packet, and extracting the data packet's characteristic information; searching for context information corresponding to the data packet's characteristic information; buffering or discarding the data packet if the context information is not found; and sending an event reporting message to a gateway control plane device, wherein the event reporting message carries the data packet's characteristic information, so that the gateway control plane device acquires the context information corresponding to the data packet's characteristic information forwarding of the data packet to the greatest extent.

公开(公告)号：US20190356594A1

公开(公告)日：2019-11-21

申请号：US16526518

申请日：2019-07-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai

IPC: H04L12/803 ,  H04L12/24 ,  H04L12/851

Abstract: A method includes receiving, by an ingress network element, a data packet, wherein an ingress flow entry is stored in the ingress network element. The ingress flow entry comprises flow description information and a processing network element indication, where the flow description information matches the data packet, and the processing network element indication is used to indicate a processing network element that processes the data packet after the ingress network element. The method further includes sending, by the ingress network element, the data packet to the processing network element according to the ingress flow entry, so that the processing network element performs context processing on the data packet.

公开(公告)号：US10284458B2

公开(公告)日：2019-05-07

申请号：US15218613

申请日：2016-07-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hui Cai ,  Weiqi Hu

IPC: H04L12/751 ,  H04L12/715 ,  H04L12/24 ,  H04L12/721 ,  H04L12/741 ,  H04L12/947 ,  H04L12/26

Abstract: The present invention relates to a flow table modifying method, a flow table modifying apparatus, and an OpenFlow network system. The flow table modifying method includes: receiving, by a switch, a modify flow entry message sent by a controller; searching, by the switch, a flow table corresponding to a flow table identifier for whether there is a flow entry matching to-be-modified target information; and in a case in which there is the flow entry matching the to-be-modified target information, changing, by the switch, a match field in the matched flow entry to a new match field. According to the flow table modifying method in an embodiment of the present invention, the switch searches the flow table corresponding to the flow table identifier for the flow entry matching the to-be-modified target information and changes the match field in the matched flow entry to the new match field.

公开(公告)号：US09998364B2

公开(公告)日：2018-06-12

申请号：US14966307

申请日：2015-12-11

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai

IPC: H04L12/721 ,  H04L12/64 ,  H04L29/08 ,  H04L12/24

CPC classification number: H04L45/38 ,  H04L12/6418 ,  H04L41/0806 ,  H04L41/0893 ,  H04L67/327

Abstract: Embodiments of the present invention provide a method for processing a packet in a software-defined network (Software-Defined Network), where the method is performed by a forwarder, and the method includes: receiving an input packet; determining a flow to which the input packet belongs according to the input packet; determining a context identifier set corresponding to the flow to which the input packet belongs according to a first correspondence between flows and context identifier sets, where a context identifier set corresponding to each flow in the first correspondence includes at least one context identifier; determining a context corresponding to the context identifier set according to a second correspondence between context identifiers and contexts; and processing the input packet according to the context corresponding to the context identifier set.

公开(公告)号：US09974055B2

公开(公告)日：2018-05-15

申请号：US14586046

申请日：2014-12-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shiyong Tan ,  Hui Ni ,  Hui Cai ,  Weihua Hu

IPC: H04W72/04 ,  H04W24/04 ,  H04W76/02

CPC classification number: H04W72/0406 ,  H04W24/04 ,  H04W76/12

Abstract: An embodiment of the present invention discloses a method and device for managing a forwarding plane tunnel resource, wherein the method includes: sending a forwarding plane tunnel resource request message to a forwarding plane device, for enabling the forwarding plane device to allocate a forwarding plane tunnel resource according to the forwarding plane tunnel resource request message; acquiring the allocated forwarding plane tunnel resource from the forwarding plane device; and sending the acquired forwarding plane tunnel resource to a target network element, to establish a packet data network connection with the target network element. By adopting the present invention, the load balancing of the forwarding plane device is achieved, the signaling interaction between the control plane device and the forwarding plane device is reduced as much as possible, and meanwhile, efficient failure processing can also be achieved in the case of a failure occurred in a device.