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TCP congestion control for heterogeneous networks

A congestion control and network technology, applied in the field of network communication, can solve problems such as network underdrive or overdrive

Active Publication Date: 2015-02-04
NANJING YUYAN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In MulTCP, N virtual TCP sessions are used to simulate the behavior of multiple actual parallel TCP sessions. When N is selected properly, very good performance can be achieved, but when the value of N is inappropriate, it may cause problems for the network underdrive or overdrive of the

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  • TCP congestion control for heterogeneous networks
  • TCP congestion control for heterogeneous networks
  • TCP congestion control for heterogeneous networks

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Embodiment Construction

[0023] It should be appreciated that for simplicity and clarity of illustration, and where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements. Furthermore, numerous specific details were set forth in advance in order to provide a thorough understanding of the embodiments described herein. However, it will be understood by those of ordinary skill in the art that the embodiments described herein may be practiced without these specific details. In other instances, well-known methods, procedures and elements have not been described in detail so as not to obscure the embodiments described herein. Also, the specification should not be considered as limiting the scope of the embodiments described herein.

[0024] A TCP congestion control mechanism, referred to herein as TCP-FIT, is described. TCP-FIT utilizes multiple parallel virtual TCP connections to fully and fully utilize the bandwidth of the network. C...

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Abstract

A congestion control mechanism for TCP communication sessions is described. The congestion control mechanism adjusts the size of the congestion window based on a number, N, of parallel virtual connections. The number N of parallel virtual connections used to determine the congestion window is dynamically adjusted based on an estimation of the network condition.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to TCP congestion control of heterogeneous networks. Background technique [0002] The function of the TCP congestion control algorithm is to adjust the rate at which the protocol sends packets to the network using a congestion control window cwnd. A good congestion algorithm can fully utilize the bandwidth, thereby avoiding packet loss caused by overdriving the network. Since the introduction of the first widely used TCP congestion control algorithm, TCPReno, many TCP congestion control algorithms have been proposed. From a higher level, based on the input of the control mechanism, the existing TCP congestion algorithms can be divided into three main categories: loss-based TCP, delay-based TCP and hybrid TCP. [0003] Loss-based TCP includes: Original TCP Reno, TCP Bic, TCP CUBIC, High Speed ​​TCP, Scalable TCP, etc. Among these delay-based TCP variants, TCP Reno a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L47/27H04L47/22
CPCH04L47/225H04L47/27
Inventor 温江涛王静远韩宇星
Owner NANJING YUYAN INFORMATION TECH