US Patent No. 10,461,986

DATA TRANSMISSION METHOD, APPARATUS, AND SYSTEM


Patent No. 10,461,986
Issue Date October 29, 2019
Title Data Transmission Method, Apparatus, And System
Inventorship Fengwei Zhang, Hangzhou (CN)
Weifeng Shen, Hangzhou (CN)
Qiang Feng, Hangzhou (CN)
Assignee HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)

Claim of US Patent No. 10,461,986

1. A method for transmitting data in a software-defined networking (SDN) environment using transmission control protocol (TCP), comprising:receiving, by a controller, a transmission resource allocation request from a server, wherein the transmission resource allocation request carries an address of a sending device and an address of a receiving device;
determining, by the controller, a first transmission path, a packet loss rate of the first transmission path, and a second transmission path according to the transmission resource allocation request, wherein the first transmission path is used by the sending device to transmit data to the receiving device, and the second transmission path is used by the receiving device to transmit an acknowledgment to the sending device; and
sending, by the controller, a transmission resource allocation response to the server, wherein the transmission resource allocation response comprises bandwidth information of the first transmission path, the packet loss rate of the first transmission path and a round-trip transmission delay, wherein the bandwidth information of the first transmission path, the packet loss rate of the first transmission path and the round-trip transmission delay are used by the server to determine an initial value of a transmit window for data transmission between the sending device and the receiving device.