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Network flow control system and method

A technology for controlling system and network traffic, applied in the field of computer network, can solve the problems of source end retransmission and link delay increase, unable to meet the requirements of flow control target, and network transmission quality deterioration, etc. TCP sending rate, the effect of reducing pressure

Active Publication Date: 2010-12-15
BEIJINGNETENTSEC
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, because queue flow control suppresses TCP source sending by dropping packets and increasing Queuing Delay (queue delay), it will cause retransmission at the source and increase link delay, thereby deteriorating network transmission quality, and in large traffic can lead to excessive system pressure
[0009] It can be seen that the traditional TCP window rectification technology or the queue-based flow control technology alone cannot obtain better flow control effects and cannot meet the growing demand for flow control targets.

Method used

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  • Network flow control system and method

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Embodiment Construction

[0021] figure 1 It is a schematic diagram of a network flow control system according to an embodiment of the present invention. The flow control system includes a flow control configuration module 120, a flow control parameter update module 130, a UDP packet filter module 140, a TCP window shaping module 150, and a queue flow control module 160.

[0022] The flow control configuration module 120 is used to configure a flow control target, and send the flow control target to the flow control parameter update module 130 and the queue flow control module 160, and the flow control target is the network flow rate expected by the user.

[0023] The flow control parameter update module 130 is used to regularly receive the data packets flowing into the channel and the flow rate of the data packets, and receive the flow control target from the flow control configuration module 120, and determine the current flow control of the system according to the flow rate of the data packets and th...

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Abstract

The invention relates to a network flow control system and a network flow control method. The network flow control system comprises a UDP packet filter module, a flow control parameter update module and a TCP window shaping module, wherein the flow control parameter update module is used for receiving data packets of the system and calculating the flow control state, the UDP packet filtering ratio and the TCP window shaping ratio of the system according to the flow of the data packets and the flow control target set by the system; the UDP packet filter module is used for receiving the flow control state and the UDP packet filtering ratio, and filtering the UDP data packets flowing into the system according to the UDP packet filtering ratio when the flow control state is that the flow control is required; and the TCP window shaping module is used for receiving the filtered data packets, the flow control state and the TCP window shaping ratio and performing window shaping on the filtered data packets according to the size of the TCP windows of the data packets and the TCP window shaping ratio. The network flow control system and the network flow control method can be widely applied to network flow control systems.

Description

technical field [0001] The invention relates to computer networks, in particular to network flow control. Background technique [0002] With the rapid development of Internet services, network traffic increases sharply, and network traffic control technology is widely concerned. Especially after the rapid growth of P2P (Peer to Peer, peer-to-peer) business, the application of P2P has greatly increased the number of network connections and increased the network download traffic, resulting in a large consumption of local network bandwidth and even network congestion. [0003] Network traffic control is a measure taken to prevent Internet congestion, and its function is to ensure that the Internet can work normally. There are mainly two existing network flow control technologies, one is TCP window shaping technology (also known as TCP window sliding technology), and the other is queue-based flow control technology. [0004] The TCP window shaping technology monitors, tracks a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L47/22
Inventor 梁斌梁志勇才华米佳斯俊伟
Owner BEIJINGNETENTSEC
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