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A Network Simplification Method to Keep Network Performance Reliability

A network performance and network simplification technology, applied in data exchange network, digital transmission system, electrical components, etc., can solve the problem of high complexity of large-scale network performance reliability evaluation

Active Publication Date: 2020-10-20
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of high complexity of large-scale network performance reliability evaluation, and propose a network simplification method to maintain network performance reliability

Method used

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  • A Network Simplification Method to Keep Network Performance Reliability
  • A Network Simplification Method to Keep Network Performance Reliability
  • A Network Simplification Method to Keep Network Performance Reliability

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Embodiment Construction

[0061] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0062] The present invention proposes a network simplification method that keeps the reliability of network performance unchanged, including the following steps:

[0063] Step 1: Establish a network performance model based on the Markov reward model (MRM), and determine the network performance index Step 1.1: As attached figure 1 is the CTMC model of the node, and the node is in state X i (X i =1,2,...,n i )The probability.

[0064] The node CTMC model considers the state space of the node, and each node is regarded as an independent M / M / 1 / n i Queuing model, the data packet of the node is subject to the Poisson distribution, and the service time is subject to the exponential distribution, with a total of n i storage space. (References [4] K. Trivedi, Probability and Statistics with Reliability, Queuing, and Computer Science Applications [M], sec...

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Abstract

The invention discloses a network simplifying method for keeping network performance reliability, and aims to solve the problem of high complexity in large-scale network performance reliability evaluation calculation. The method comprises the following specific steps: I, establishing a network performance model based on a Markov reward model, and determining a network performance index; II, evaluating network performance reliability by a Monte Carlo simulation method; III, on the basis of a graph change simplifying method for keeping communication reliability, performing network simplification specific to invariable network performance reliability; and IV, performing simulation verification by a performance reliability evaluation method. Through adoption of a method for simplifying a large-scale communication network and a performance reliability evaluation method thereof, the performance reliability of the network is kept, and the algorithm complexity and test cost of network performance reliability evaluation are lowered effectively.

Description

technical field [0001] The invention belongs to the technical field of network communication and reliability, and in particular relates to a network simplification method for maintaining the reliability of network performance. Background technique [0002] The society in the information age relies more and more on communication networks, and network reliability plays an important role in the normal operation of communication networks. With the rapid expansion of the network scale, the frequency of use, the rapid increase of network load, and the improvement of single-device reliability, etc., problems related to network performance such as network congestion and delay have gradually become factors that must be considered in network reliability. , the research on network reliability has also shifted from the initial connection reliability research based on graph theory to focus on network performance and service quality, resulting in an increase in the complexity of network p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/145H04L43/08
Inventor 黄宁李碧薇张荟张朔孙利娜
Owner BEIHANG UNIV
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