Delay scheduling-based network traffic conflict prevention method and delay scheduling-based network traffic conflict prevention system

A technology for network traffic and conflict avoidance, applied in transmission systems, digital transmission systems, data exchange networks, etc.

Active Publication Date: 2013-04-17
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to provide a solution to the vertical conflict problem, to avoid the frequent jitter caused by the optimization con

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  • Delay scheduling-based network traffic conflict prevention method and delay scheduling-based network traffic conflict prevention system
  • Delay scheduling-based network traffic conflict prevention method and delay scheduling-based network traffic conflict prevention system
  • Delay scheduling-based network traffic conflict prevention method and delay scheduling-based network traffic conflict prevention system

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Embodiment Construction

[0072] In the present invention, the involved overlay network traffic delay scheduling conflict avoidance mechanism can be applied in various types of hierarchical network environments, such as traffic conflict avoidance between P2P networks and underlying networks, CDN networks, and various overlay networks, such as Avoid traffic conflicts between RON, QRON, NIRA.OverQos, etc. and the underlying IP network. In the following embodiments, the traffic collision avoidance mechanism involved is not limited to a specific network type, and can be applied to various networks mentioned above.

[0073] Figure 7 It is a flow chart of the method for avoiding network traffic conflicts based on hysteresis scheduling in the present invention. Such as Figure 7 As shown, the method includes:

[0074] Step 1. Perform path performance detection on the default path within the detection period. When the default path of the overlay network can meet the network transmission performance require...

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Abstract

The invention provides a delay scheduling-based network traffic conflict prevention method and a delay scheduling-based network traffic conflict prevention system. The method includes: step 1: path performance detection is carried out on a default path within a probing cycle, and if the default path of an overlay network can meet the requirement of network transmission performance, step 2 is executed, or else step 3 is executed; step 2: traffic is transmitted via the default path; step 3: a transfer traffic calculation function is utilized to calculate transfer traffic to be transferred on the default path, and the transfer traffic is part of the traffic transmitted on the default path; step 4: path performance detection is carried out on alternate paths, the transfer traffic is allocated onto the alternate paths for transmission according to the carrying capacity of the alternate paths, and the steps are repeated in the next probing cycle. The invention solves the problem of vertical conflict in the prior art, prevents the phenomenon of frequent jitter caused by the optimization conflict problem of the conventional overlay network system, and guarantees the normal service performance of the overlay network.

Description

technical field [0001] The invention relates to the field of computer network and communication, in particular to a method and system for avoiding network traffic conflict based on hysteresis scheduling. Background technique [0002] At present, in the research of Internet service routing technology, an increasingly prominent trend is to build an overlay network (Overlay Networking) on ​​the underlying physical network to optimize the transmission of service traffic. Overlay Routing technology can effectively make up for the shortcomings of the underlying network protocol, and strive to maximize the use of bandwidth and redundant paths in the network. Overlay network nodes themselves need to maintain and establish corresponding routing table entries, and at the same time detect network conditions and find out the optimal path with better performance than that selected by the IP protocol layer. On the traditional Internet, network operators (Internet Service Providers) often...

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Application Information

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IPC IPC(8): H04L12/801
Inventor 李彦君张国清郭庆萍
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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