A data transmission method and device
A data transmission method and data packet technology are applied in the field of data transmission methods and devices, which can solve the problems of low utilization rate of transmission paths and long completion time of data stream transmission, and achieve the effect of improving data transmission rate and
Active Publication Date: 2020-05-08
HUAWEI TECH CO LTD
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Problems solved by technology
[0005] In order to solve the problems of long data stream transmission completion time and low transmission path utilization in the related art, this application provides a data transmission method
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[0045] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.
[0046] figure 1 It is a schematic diagram of an implementation environment of a data transmission method provided by an embodiment of the present invention. With the development of network technology, an overlay (Overlay) network has been widely used. Wherein, the Overlay network is a virtual network established on the existing wide area network, that is, the construction of the Overlay network needs to be realized through the existing physical network. The Overlay network is mainly composed of three parts: edge device, control plane and forwarding plane. The edge device of the Overlay network can be a physical network device or a virtual network device, and can even be implemented by software running on a virtual machine. The ...
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The application discloses a data transmission method and device, which belong to the technical field of communication. The method includes: when a first data packet of a data flow is received and the first data packet is not the first data packet of the data flow, determining a time interval between a first receiving time and a second receiving time, the first receiving time is the time when the first data packet is received, and the second receiving time is the time when the second data packet is received; obtain the sent data volume of the data flow; based on the time interval and the sent data volume, select from multiple available transmission paths A transmission path of the first data packet is determined, and the first data packet is transmitted through the determined transmission path. This application determines the transmission path of the first data packet through the time interval and the amount of sent data, avoiding that when a large number of data packets in the data stream arrive densely, there is no chance to reselect the transmission due to the time interval between adjacent data packets arriving at the sending end is too small The problem of the path can effectively improve the data transmission rate and the utilization rate of the transmission path.
Description
technical field [0001] The present application relates to the field of communication technologies, and in particular to a data transmission method and device. Background technique [0002] In a wide area network, when data is transmitted, there are often multiple available transmission paths between the data sending end and the receiving end. If a transmission path is selected from the multiple available transmission paths for data transmission, then when the transmission performance of the selected transmission path becomes poor, the transmission rate of data transmitted using this transmission path will be reduced and the transmission time will be extended , and even cause data loss. If at least two transmission paths are selected from the multiple available transmission paths for data transmission, then, when the transmission performance of a certain transmission path in the at least two transmission paths becomes poor, other transmission paths with better performance ca...
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IPC IPC(8): H04L12/721H04L12/727H04L12/741H04L45/121H04L45/125H04L45/586H04L45/74
CPCH04L45/121H04L45/123H04L45/38H04L45/74H04L45/586H04L47/122H04L47/125H04L45/124H04L45/70H04L45/125
Inventor 于文静周天然夏寅贲
Owner HUAWEI TECH CO LTD