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Network traffic simulation and prediction method and device

A technology of network traffic and network topology, applied in the field of network traffic simulation and prediction

Active Publication Date: 2021-06-01
FENGHUO COMM SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above defects or improvement needs of the prior art, the present invention solves the problem of realistically simulating the service flow change after a network failure without affecting the normal operation of the current network

Method used

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  • Network traffic simulation and prediction method and device
  • Network traffic simulation and prediction method and device
  • Network traffic simulation and prediction method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] In the network planning process of the telecommunication transmission network, traffic distribution is an important index to judge the quality of network planning. First of all, traffic distribution can identify the bottleneck points in the network, which is conducive to planning a load-balanced network; second, network planning needs to take into account the change of traffic distribution when a fault occurs in the network, so as to avoid causing instantaneous network traffic to exceed the limit; Finally, network planning should also take into account the multiple changes in traffic distribution caused by multiple network faults within a short period of time, so as to avoid frequent changes in traffic distribution from impacting the existing network. In network planning, in order to simulate and predict service traffic, the management and control system needs to simulate the real network topology and service routing according to the time sequence of network faults, so t...

Embodiment 2

[0082] Based on the network traffic simulation and prediction method provided in Embodiment 1, the following network traffic simulation and prediction can be performed.

[0083] Such as Figure 5 As shown, it is a schematic diagram of the baseline topology of the network used in this embodiment, including network elements: N1, N2, N3, and N4, and including links L1, L2, L3, L4, and L5. Wherein, L1 connects N1 and N2, L2 connects N2 and N3, L3 connects N1 and N4, L4 connects N3 and N4, and L5 also connects N3 and N4. Services B1 and B2 are run on the network, and the working routes of the services are distributed as follows, where W indicates the working route, and P indicates the backup route, and the working route passes through each network element and link in the sequence in turn.

[0084] B1={W:(N1,L1,N2,L2,N3),P:()}

[0085] B2={W:(N1,L3,N4,L4,N3),P:()}

[0086] According to step 101, a fault signal sequence is generated for each network element and link in the baselin...

Embodiment 3

[0177] On the basis of the network traffic simulation and prediction method provided by the above-mentioned embodiment 1 to embodiment 2, the present invention also provides a network traffic simulation and prediction device that can be used to implement the above method, such as Image 6 Shown is a schematic diagram of the device architecture of the embodiment of the present invention. The apparatus for simulating and predicting network traffic in this embodiment includes one or more processors 21 and memory 22 . in, Image 6 A processor 21 is taken as an example.

[0178] Processor 21 and memory 22 can be connected by bus or other means, Image 6 Take connection via bus as an example.

[0179] The memory 22 is a non-volatile computer-readable storage medium of a network traffic simulation and prediction method, and can be used to store non-volatile software programs, non-volatile computer-executable programs and modules, such as Embodiment 1 to Embodiment 2 Network traff...

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Abstract

The invention relates to the field of communication, in particular to a network flow simulation and prediction method and device. The method comprises the following steps: generating a fault signal sequence for at least one network element or link; acquiring fault signals in the fault signal sequences of all network elements and links, and accumulating the acquired fault signals on the network topology; according to the fault occurrence time sequence, obtaining fault services corresponding to the fault signals; according to the change topological graph after each fault occurs, calculating the routing change of the fault service after each fault occurs, and generating a simulation transaction; recording the flow of each fault service after each simulation transaction is executed, and predicting the change of flow distribution in the network; and after the simulation transaction is executed, rolling back the suspended simulation transaction. According to the method, through simulated fault signals and real service calculation, flow simulation and prediction which simulate the real situation as much as possible are realized under the conditions that network hardware equipment is not changed and normal network services are not influenced.

Description

【Technical field】 [0001] The invention relates to the communication field, in particular to a method and device for network flow simulation and prediction. 【Background technique】 [0002] In the current network planning method, the network is regarded as a static topology, and the traffic of each link and each node is planned in advance, and the load is distributed on each link and node as far as possible in a balanced manner according to the plan during service configuration. However, with the increase of dynamic services, the status of each node in the network will change dynamically, and the traffic distribution during planning is not static. This may cause links or nodes that are not bottlenecks during planning to become bottlenecks after a period of time. As a result, the overall performance of the network continues to decline. In order to solve such problems, the network management and control system is required to predict possible changes in traffic distribution acco...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/145H04L41/147H04L41/12H04L43/0876
Inventor 李澍
Owner FENGHUO COMM SCI & TECH CO LTD
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