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MPTCP congestion control method and device based on energy efficiency

A technology of congestion control and energy efficiency, applied in the field of communication, can solve the problems of not considering the link transmission delay, unable to effectively use bandwidth resources, reducing throughput and transmission time performance, etc., to achieve the effect of reducing the advantage of aggregation

Active Publication Date: 2019-08-23
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] Periodic bursts of traffic and methods of offloading from interfaces with higher energy consumption to other interfaces cannot effectively utilize bandwidth resources, nor do they take into account the transmission delay of links, so that the aggregation advantages of MPTCP cannot be fully realized. Significantly reduced performance in terms of throughput and transfer time

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  • MPTCP congestion control method and device based on energy efficiency
  • MPTCP congestion control method and device based on energy efficiency
  • MPTCP congestion control method and device based on energy efficiency

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0019] During MPTCP transmission, the receiver includes at least two operating modes in the receiving process, that is, receiving data traffic and waiting for data traffic, and different modes correspond to different power states. Typically, after a period of time when there is no more traffic waiting to be received, the device switches to a lower...

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Abstract

The embodiment of the invention provides an MPTCP congestion control method and device based on energy efficiency, and the method comprises the steps: for each sub-stream, determining the expected distribution proportion of a congestion window according to the round-trip time of the current transmission and a determined sub-flow rate distribution result with the maximum energy efficiency if confirmation information of the current transmission is received; and determining a second congestion window increment according to a difference value between the congestion window expected allocation proportion and the congestion window actual allocation proportion, updating the current congestion window value by combining with a first congestion window increment obtained based on an LIA algorithm, andusing the updated congestion window value for next data transmission. According to the method, adjustment of a congestion mechanism takes energy efficiency factors into consideration, part of data flow is transferred to a path with low energy consumption for transmission on the basis of guaranteeing throughput performance, the energy-saving target of equipment is achieved, and then energy consumption is remarkably reduced on the basis of guaranteeing the aggregation advantage of MPTCP.

Description

technical field [0001] The invention relates to the communication field, in particular to an energy efficiency-based MPTCP congestion control method and device. Background technique [0002] In the Multipath TCP (MPTCP for short), the congestion control mechanism is the core part, and the improvement of the congestion control is an important method to improve the performance of the protocol. The multi-path congestion control mechanism aims to improve the utilization rate of subflows, maximize the use of network resources, and avoid the occurrence of congestion collapse. The multipath transmission provided by MPTCP can significantly improve the throughput of mobile terminals. However, multipath transmission needs to consume more energy to maintain multiple interfaces, which is a huge challenge for battery-powered mobile devices. The limited battery capacity of mobile devices determines the duration and reliability of MPTCP connections. Therefore, when using MPTCP for concur...

Claims

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Application Information

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IPC IPC(8): H04L12/807H04L12/825H04L12/841H04L47/27
CPCH04L47/283H04L47/25H04L47/27
Inventor 王莹李洪林
Owner BEIJING UNIV OF POSTS & TELECOMM
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