公开(公告)号：US20220070098A1

公开(公告)日：2022-03-03

申请号：US17521664

申请日：2021-11-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Li SHEN ,  Hewen ZHENG ,  Hong ZHOU ,  Nongda HU ,  Xiang YU

IPC: H04L12/801 ,  H04L12/721 ,  H04L12/833 ,  H04L12/851 ,  H04L12/841 ,  H04L12/865

Abstract: Example packet control methods and apparatus are described. One example method includes detecting, by a network node, a packet in a packet flow causing a congestion from an upstream node. The network node reduces a scheduling priority of the packet in the packet flow and generates a congestion isolation message, where the congestion isolation message includes description information of the packet flow. The congestion isolation message is sent to the upstream node to instruct the upstream node to reduce the scheduling priority of the packet in the packet flow.

公开(公告)号：US20210144092A1

公开(公告)日：2021-05-13

申请号：US17155276

申请日：2021-01-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hewen ZHENG ,  Lei HAN ,  Haidong FENG

IPC: H04L12/741 ,  H04L12/721 ,  H04L12/749 ,  H04L12/813 ,  H04L12/833 ,  H04L29/06

Abstract: Embodiments of the present disclosure provide a packet processing method and a network device, so as to effectively resolve a problem that a quantity of concurrent packet processing policies is limited in a network device due to scarce hardware resources of a packet forwarding chip. A method part in the embodiments of the present disclosure includes: obtaining, by a first network device, identification information; processing, by the first network device, a packet when receiving the packet, where a processed packet includes the identification information, and packets corresponding to different preset policy information include different identification information; and sending, by the first network device, the processed packet to a second network device, so that the second network device matches a corresponding policy for the processed packet based on the identification information.

公开(公告)号：US20140029620A1

公开(公告)日：2014-01-30

申请号：US14039521

申请日：2013-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hewen ZHENG ,  Haibin CHEN

IPC: H04L12/807

CPC classification number: H04L47/27 ,  H04L1/1607 ,  H04L69/16 ,  H04L69/161 ,  H04L69/163

Abstract: A packet handling method, comprising: receiving a TCP ACK packet currently sent by a client; searching in a storage device for a TCP packet requested for retransmission by the TCP ACK packet when it is determined that the Acknowledge Number field value in the TCP header of the TCP ACK packet currently sent by the client is equal to that previously sent by the client over the same TCP connection; discarding the TCP ACK packet and transmitting the TCP packet to the client when the TCP packet requested for retransmission is found in the storage device. In comparison to the prior art, where the TCP packet at anytime is directly transmitted by a server to the client via the forwarding device, bandwidth between the server and the forwarding device is saved, thereby network congestion is reduced, and network resource utilization is increased.

Abstract translation: 一种分组处理方法，包括：接收当前由客户端发送的TCP ACK分组; 在确定当前由客户端发送的TCP ACK分组的TCP报头中的应答号字段值等于客户端先前发送的TCP ACK分组中的确认号字段值时，在存储设备中搜索由TCP ACK分组请求重传的TCP分组 通过相同的TCP连接; 当存储设备中发现请求重发的TCP数据包时，丢弃TCP ACK数据包并将TCP数据包发送给客户端。 与现有技术相比，TCP数据包随时由服务器通过转发设备直接发送给客户端，从而节省了服务器与转发设备之间的带宽，降低了网络拥塞，提高了网络资源利用率 。

公开(公告)号：US20140003247A1

公开(公告)日：2014-01-02

申请号：US14015362

申请日：2013-08-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hewen ZHENG ,  Guoyi CHEN

IPC: H04L12/803

CPC classification number: H04L47/125 ,  H04L43/0882 ,  H04L45/125 ,  H04L45/24

Abstract: Embodiments of the present invention disclose a method, network node, and network system for offloading network traffic. The method includes: obtaining link utilization information of a network; computing a shortest path and a second shortest path to a content source; selecting a light-load path from the shortest path and the second shortest path according to the obtained link utilization information; and selecting traffic and dispersing the selected traffic onto the light-load path. By implementing the present invention, a light-load path can be selected according to link utilization information of a network, and traffic is dispersed over the light-load path. In this way, dynamic load balancing of traffic is implemented, thereby preventing or mitigating network congestion.

Abstract translation: 本发明的实施例公开了一种用于卸载网络业务的方法，网络节点和网络系统。 该方法包括：获取网络的链路利用信息; 计算到内容源的最短路径和第二最短路径; 根据所获得的链路利用信息，从最短路径和第二最短路径选择轻负载路径; 并选择流量并将所选流量分散到轻负载路径上。 通过实施本发明，可以根据网络的链路利用信息来选择轻负载路径，并且业务量分散在轻负载路径上。 通过这种方式实现业务的动态负载分担，从而防止或减轻网络拥塞。