Virtual congestion control method based on delayed feedback in multi-tenant data center

A congestion control, data center technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as limited, and achieve the effect of solving the problem of unfairness

Inactive Publication Date: 2017-11-24
FUZHOU UNIV
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  • Abstract
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Problems solved by technology

However, progress in network virtualization is limited

Method used

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  • Virtual congestion control method based on delayed feedback in multi-tenant data center
  • Virtual congestion control method based on delayed feedback in multi-tenant data center
  • Virtual congestion control method based on delayed feedback in multi-tenant data center

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] like figure 1 As shown, the present invention provides a virtual congestion control method based on delayed feedback in a multi-tenant data center. By setting the hypervisor conversion layer, modifying the three-way handshake protocol of explicit feedback and packet loss feedback, adjusting the size of the receiving window, and multi-tenant Heterogeneous congestion control is uniformly converted to delayed feedback; specifically, the following steps are included;

[0023] S1: At the conversion layer of the hypervisor in the multi-tenant data center, the hypervisor judges the feedback mode of the congestion control algorithm used by the tenant according to the received data packet message, so as to select the three-way handshake modification method based on different feedback methods; based on different feedback methods The three-way handshake mo...

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Abstract

The invention relates to a virtual congestion control method based on delayed feedback in a multi-tenant data center. Through setting of a hypervisor conversion layer, three-way handshake protocols of explicit feedback and packet loss feedback are modified, the size of a receiving window is adjusted, and the multi-tenant heterogeneous congestion control is uniformly converted to the delayed feedback. The simulation experiment shows that the virtual congestion control method based on the delayed feedback can effectively solve a problem of unfairness of a congestion control algorithm in a heterogeneous feedback mode and can be applicable to most data centers.

Description

technical field [0001] The invention relates to the field of multi-tenant data center networks, in particular to a delayed feedback-based virtual congestion control method in a multi-tenant data center. Background technique [0002] Multi-tenant technology enables a large number of tenants to share the same software and hardware resources, each tenant can use resources on demand, and can customize software services without affecting the use of other tenants. While multi-tenant technology brings convenience, there are also problems that need to be solved urgently. A multi-tenant data center hosts a large number of different tenants on a shared infrastructure, and the data center needs to fairly share computing, storage and network resources among tenants. In recent years, advances in virtualization technology have made great strides in solving the problem of sharing computing and storage resources. However, progress in network virtualization has been limited. [0003] A mul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/801H04L12/807H04L12/825H04L29/06H04L47/27
CPCH04L47/193H04L47/26H04L47/27H04L69/163
Inventor 张栋刘宇欣朱丹红张为凡彭建云
Owner FUZHOU UNIV
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