A method and system for exchanging traffic flow data between networks

Abstract

The invention provides a method for exchanging traffic flow data between networks, which can occupy relatively small bandwidth, realize low-delay and high-reliability network transmission, have low coupling between systems, and be easy to expand and maintain. At the same time, the invention also discloses a system for realizing a method for exchanging traffic flow data between networks. It includes: S1: the signal control system obtains the stage traffic flow data captured by the road traffic monitoring equipment; S2: converts the stage traffic flow data imported from the signal control system from xml format to json format; S3: converts the stage traffic flow data in json format The traffic flow data is stored as a text file and sent to the FTP synchronization directory; S4: The border access platform of the public security information communication network regularly scans the FTP synchronization directory; S5: Inside the public security network, the data in text format located in the FTP directory of the receiving end Parse the data in json format and send it to the kafka queue; S6: The public security traffic command platform uses streaming computing technology to consume data from the kafka queue for subsequent calculations and operations.

Description

technical field [0001] The invention relates to the technical field of intelligent traffic control, in particular to a method and system for exchanging traffic flow data between networks. Background technique [0002] In intelligent traffic management, it is necessary to monitor the urban traffic operation situation in real time. Such as figure 1 As shown, in order to ensure that the public security traffic command platform 4 can carry out business normally, the public security traffic command platform 4 running on the public security network needs to obtain the stage traffic flow data captured by the road traffic monitoring equipment 1 set at each signal control intersection in real time; stage Traffic flow data is the detected traffic flow information of each lane at the intersection in the basic time unit of a signal cycle, including: the number of passing vehicles, the number of equivalent cars, the average headway, saturation, queue length, occupancy rate and other in...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems existing in the existing data exchange methods, such as high requirements on transmission network performance and inability to quickly adjust when data requirements change, the present invention provides an exchange method for inter-network traffic flow data, which can occupy a relatively small bandwidth, Realize low-latency, high-reliability network transmission, and the coupling between systems is very low, easy to expand and maintain

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