System for reserving and distributing dynamic information of railway
A dynamic information and railway technology, applied in transmission systems, electrical components, etc., can solve the problems of wasted information and loss of network resources, save network resources and reduce repeated traffic.
Inactive Publication Date: 2011-08-24
BEIJING JIAOTONG UNIV
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[0005] Aiming at the shortage of network resource waste caused by sending useless information and information loss caused by user network failure in the existing railway information exchange system mentioned in the above technical background, the present invention proposes a reservation and release system for railway dynamic information
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[0015] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.
[0016] The invention realizes the reservation sending function of the railway information by introducing the reservation sending server into the existing railway information exchange system. Such as figure 1 As shown, the present invention installs a reservation delivery server between the event source and the user, wherein the event source generates dynamic information, the user uses the dynamic information, the reservation delivery server manages information exchange, and the reservation delivery server provides services to the event source and the user. The advantages of realizing the appointment sending of dynamic information are:
[0017] 1. Save network resources
[0018] 1.1 The appointment sending server pro...
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The invention discloses a system for reserving and distributing dynamic information of railway in the technical field of railway information exchange. The system comprises an event source for generating the dynamic information, a user using the information and a reservation sending server for managing the information exchange, wherein the event source and the user are respectively connected to the reservation sending server; the user sends a request for reserving the related event information to the reservation sending server; the reservation sending server is used for receiving the event information sent from the event source, classifying the event information according to the classification identifications and time labels, and storing the event information to an appointed buffer zone; and according to the reservation request of the user, the reservation sending server reads the related information in the buffer zone and sends the related information to the user in sequence. By using the system, the purpose of quickly sending the reservation information is achieved, the problem of repeatedly sending data is avoided, and the network flow is reduced, the resource is saved. The storage function of the server also allows the user to quickly acquire the updated information during the network outage period after the network is recovered from the outage.
Description
technical field [0001] The invention belongs to the technical field of railway information exchange, and in particular relates to a railway dynamic information reservation release system. Background technique [0002] In train safety production, there are multiple information providing units and information using units, and the mutual transmission of dynamic information between information providing units and information using units is the basis for the normal operation of the railway system. The above information exchange process involves multiple railway departments. According to information providers and users, information objects can be divided into two categories: event sources and users. [0003] In the existing railway information exchange system, multiple users often share the information provided by the same event source, and generally only one or several of the multiple information provided by the event source. However, the existing system uses broadcasting to pub...
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Inventor 胡秉谊徐建根徐露李峰李辉康
Owner BEIJING JIAOTONG UNIV