Method and system for scheduling data center network flow

A data center network and scheduling method technology, applied in the field of computer networks, can solve the problems of inability to monitor changes in network traffic in real time, inability to adapt, and small adaptability, so as to avoid modifying switch equipment, improve user experience, and improve adaptability. effect of ability

Inactive Publication Date: 2016-12-21
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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Problems solved by technology

[0014] Solution 1 has the following disadvantages: the scheduling scheme based on the size of the flow or the completion time of the flow as a priori information will reduce its performance in the actual environment, and it is even unfeasible
[0015] In addition, the above solutions all have the following deficie

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  • Method and system for scheduling data center network flow
  • Method and system for scheduling data center network flow
  • Method and system for scheduling data center network flow

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[0052] The present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be emphasized that the following description is only exemplary, and is not intended to limit the scope and application of the present invention.

[0053] There are currently 3 streams, namely streams a, b, and c. The scheduling method of its data center network flow is as follows figure 2 As shown, including the following steps:

[0054] A1. The controller obtains the current network status, calculates and updates the threshold list according to the distribution of the flow, and the controller pushes the threshold list to the terminal;

[0055] A2. The terminal prioritizes the data packet according to the threshold list;

[0056] A3. The switch performs priority scheduling according to the priority marking of the data packet;

[0057] A4. The controller detects changes in the network and updates the threshold list fr...

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Abstract

The invention discloses a method and a system for scheduling a data center network flow. The method comprises steps: A1, a controller acquires the current network condition, a threshold list is calculated according to flow distribution and is updated, and the controller pushes the threshold list to the terminal; A2, the terminal carries out priority mark on a data packet according to the threshold list; A3, a switch carries out priority scheduling according to the priority mark on the data packet; and A4, the controller detects network changes, and the threshold list is updated irregularly according to the network condition. The method of the invention can detect the network changes in real time, and the flow strain ability is improved; and the system does not need to change the existing TCP/IP protocol, switch equipment can be prevented from being changed, and the usability and the high deployment are realized.

Description

Technical field [0001] This patent belongs to the field of computer networks, and particularly relates to a data center network flow scheduling scheme and system. Background technique [0002] The Internet has presented a new perspective on life to mankind, and has qualitatively improved and improved the way people produce, live and learn. As the infrastructure for storing, transmitting and processing big data, the data center network has become the basic guarantee for supporting modern economic development and active innovation. [0003] Users request various resources from the data center network, and the data center network responds to each user with different carrying capacity. Inevitably, some users request less data and form a small data stream, hoping to get a faster response. Some users make server backup requests, but do not have special requirements for the completion time. Therefore, it is of great significance to distinguish the size of the flow for scheduling. Diff...

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Application Information

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IPC IPC(8): H04L12/865H04L47/6275
CPCH04L47/6275
Inventor 李清张婷肖喜江勇
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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