Gateway system based on Ethernet security TRDP communication protocol analysis

Abstract

The invention provides a gateway system based on Ethernet security TRDP communication protocol analysis, a first data analysis platform is connected with a first Ethernet interface and a first power supply interface, the first power supply interface is used for supplying power to the first data analysis platform, and the first Ethernet interface is used for realizing data transmission between the first data analysis platform and the system; the second data analysis platform is connected with a second Ethernet interface and a second power supply interface, the second power supply interface is used for supplying power to the second data analysis platform, and the second Ethernet interface is used for realizing data transmission between the second data analysis platform and the system; the subsystem interface is connected with the first data analysis platform and the second data analysis platform and is used for realizing data interaction between the two data analysis platforms and the subsystem; the first data analysis platform and the second data analysis platform have an analysis state and a packaging sending state, real-time interaction can be achieved between the first data analysis platform and the second data analysis platform, and the dual-homing requirement of the safety TRDP is met.

Description

Technical Field

[0001] The present invention relates to the technical field of gateway design, and in particular to a gateway system based on Ethernet security TRDP communication protocol parsing. Background Art

[0002] In recent years, more and more cities have begun to build subway projects, and the subsystems on subway trains have become more diverse. More on-board subsystems have led to the need for larger and faster communication buses in vehicle design, and Ethernet has been applied in the subway industry in this situation. The advantages of Ethernet are unquestionable, but its open and transparent hierarchical structure also creates hidden dangers of insecurity.

[0003] The Ethernet security TRDP communication protocol used on subway trains ensures the communication security and reliability of the subway train communication network through complex encryption algorithms and dual-homing communication requirements. However, the strict encryption and decryption process can easily cause data packet loss, resulting in unreliable communication. Therefore, it is necessary to provide a redundant Ethernet security TRDP protocol and its gateway system. Summary of the invention

[0004] According to the technical problem proposed above, a kind of gateway system based on Ethernet safety TRDP communication protocol parsing is provided.The present invention mainly utilizes the first data parsing platform, the second data parsing platform, the first Ethernet interface, the second Ethernet interface, the first power supply interface, the second power supply interface and the subsystem interface, and in the case of ensuring communication safety, it is ensured that the stability of communication, the availability of the subsystem equipment is promoted.

[0005] The technical means adopted by the present invention are as follows:

[0006] A gateway system based on Ethernet security TRDP communication protocol parsing, comprising: a first data parsing platform, a second data parsing platform, a first Ethernet interface, a second Ethernet interface, a first power supply interface, a second power supply interface and a subsystem interface, wherein:

[0007] The first data analysis platform is connected to a first Ethernet interface and a first power supply interface, the first power supply interface is used to supply power to the first data analysis platform, and the first Ethernet interface is used to realize data transmission between the first data analysis platform and the system;

[0008] The second data analysis platform is connected to a second Ethernet interface and a second power supply interface, the second power supply interface is used to supply power to the second data analysis platform, and the second Ethernet interface is used to realize data transmission between the second data analysis platform and the system;

[0009] The subsystem interface is connected to the first data analysis platform and the second data analysis platform respectively, and is used to realize data interaction between the first data analysis platform and the second data analysis platform and the subsystem;

[0010] The first data analysis platform and the second data analysis platform have two states: analysis and packaging and sending. The first data analysis platform and the second data analysis platform can interact with each other in real time and meet the dual-belonging requirements of the secure TRDP.

[0011] Furthermore, the parsing state is that the first data parsing platform and the second data parsing platform parse the received Ethernet security TRDP protocol packet and extract valid data.

[0012] Furthermore, the packing state is that the first data parsing platform and the second data parsing platform pack and send the data packets according to the Ethernet security TRDP protocol.

[0013] Furthermore, the first data parsing platform and the second data parsing platform use the Ethernet control chip as a physical channel support for the two states of parsing and packaging and sending data, and the control logic of the Ethernet control chip implements the parsing and packaging and sending of data;

[0014] When the Ethernet control chip receives the secure TRDP protocol packet, it parses it according to the protocol and reads the valid content. When the Ethernet control chip receives the data content to be sent, it packages it according to the protocol and sends the complete secure data packet to the corresponding Ethernet interface.

[0015] Furthermore, the first data analysis platform is completely independent from the second data analysis platform and can complete analysis and packaging and sending when powered separately.

[0016] Furthermore, data synchronization is achieved between the first data analysis platform and the second data analysis platform through the control logic in the Ethernet control chip, and algorithmic control is performed on the data packet sending between the first data analysis platform and the second data analysis platform in accordance with the Ethernet security TRDP requirements for dual-belonging.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] The gateway system based on Ethernet safety TRDP communication protocol parsing provided by the present invention, safety TRDP parsing gateway has the function of parsing Ethernet safety TRDP protocol, and has two sets of independently powered parsing platforms to ensure the stability of communication while ensuring data security. At the same time, it includes unique synchronization and contracting algorithm to ensure that two independent parsing platforms can meet the requirements of safety TRDP dual-homing.

[0019] The gateway system based on Ethernet security TRDP communication protocol analysis provided by the present invention, Ethernet security TRDP protocol ensures the security between communications by the complex encryption and decryption algorithm assigned to each subsystem unique ID, while using the dual-home Ethernet interface to ensure the redundancy of communication. And the message comparison of the dual-home Ethernet packet is carried out to determine the working state of the subsystem.

[0020] The gateway system based on the Ethernet safety TRDP communication protocol analysis provided by the present invention is applied to the analysis of the Ethernet safety TRDP protocol on the subway train, simplifies the work of subsystem development engineers for communication aspects, focuses on subsystem function realization, and saves development costs. The present invention uses two sets of independently powered analysis platforms, and when ensuring communication safety, it is ensured that the stability of communication is ensured, and the availability of subsystem equipment is improved.

[0021] Based on the above reasons, the present invention can be widely promoted in the fields of gateway design and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a gateway system structure diagram based on Ethernet security TRDP communication protocol analysis in the present invention. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0027] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0028] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0029] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0030] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0031] like Figure 1 As shown, the present invention provides a gateway system parsed based on Ethernet security TRDP communication protocol, including: a first data parsing platform, a second data parsing platform, a first Ethernet interface, a second Ethernet interface, a first power supply interface, a second power supply interface and a subsystem interface, wherein:

[0032] The first data analysis platform is connected to a first Ethernet interface and a first power supply interface, the first power supply interface is used to supply power to the first data analysis platform, and the first Ethernet interface is used to realize data transmission between the first data analysis platform and the system;

[0033] The second data analysis platform is connected to a second Ethernet interface and a second power supply interface, the second power supply interface is used to supply power to the second data analysis platform, and the second Ethernet interface is used to realize data transmission between the second data analysis platform and the system;

[0034] The subsystem interface is connected to the first data analysis platform and the second data analysis platform respectively, and is used to realize data interaction between the first data analysis platform and the second data analysis platform and the subsystem;

[0035] The first data analysis platform and the second data analysis platform have two states: analysis and packaging and sending. The first data analysis platform and the second data analysis platform can interact with each other in real time and meet the dual-belonging requirements of the secure TRDP.

[0036] In specific implementation, as a preferred embodiment of the present invention, the parsing state is that the first data parsing platform and the second data parsing platform parse the received Ethernet security TRDP protocol packet and extract valid data.

[0037] In specific implementation, as a preferred embodiment of the present invention, the packaging state is that the first data parsing platform and the second data parsing platform package and send the data packets according to the Ethernet security TRDP protocol.

[0038] In specific implementation, as a preferred embodiment of the present invention, the first data parsing platform and the second data parsing platform have two states of parsing and packaging and sending, and the Ethernet control chip is used as a physical channel support, and the control logic of the Ethernet control chip realizes the parsing and packaging and sending of data;

[0039] When the Ethernet control chip receives the secure TRDP protocol packet, it parses it according to the protocol and reads the valid content. When the Ethernet control chip receives the data content to be sent, it packages it according to the protocol and sends the complete secure data packet to the corresponding Ethernet interface.

[0040] In specific implementation, as a preferred embodiment of the present invention, the first data analysis platform and the second data analysis platform are completely independent and can complete analysis and packaging and sending under separate power supply.

[0041] In specific implementation, as a preferred embodiment of the present invention, data synchronization is achieved between the first data analysis platform and the second data analysis platform through the control logic in the Ethernet control chip, and according to the Ethernet security TRDP requirements for dual-belonging, algorithmic control is performed on the data packet sending between the first data analysis platform and the second data analysis platform.

[0042] Example

[0043] like Figure 1 As shown, a gateway system based on Ethernet security TRDP communication protocol parsing, the security TRDP parsing gateway in the figure activates the first data parsing platform and the second data parsing platform respectively through two power supplies. The two platforms receive and send security TRDP data packets through different Ethernet interfaces. At the same time, the two platforms will interact with each other in real time, and through unique synchronization and packet sending algorithms, it is ensured that two independent parsing platforms can meet the requirements of secure TRDP dual-homing.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A gateway system based on Ethernet security TRDP communication protocol parsing, characterized in that, include: A first data analysis platform, a second data analysis platform, a first Ethernet interface, a second Ethernet interface, a first power supply interface, a second power supply interface and a subsystem interface, wherein: The first data analysis platform is connected to a first Ethernet interface and a first power supply interface, the first power supply interface is used to supply power to the first data analysis platform, and the first Ethernet interface is used to realize data transmission between the first data analysis platform and the system; The second data analysis platform is connected to a second Ethernet interface and a second power supply interface, the second power supply interface is used to supply power to the second data analysis platform, and the second Ethernet interface is used to realize data transmission between the second data analysis platform and the system; The subsystem interface is connected to the first data analysis platform and the second data analysis platform respectively, and is used to realize data interaction between the first data analysis platform and the second data analysis platform and the subsystem; The first data analysis platform and the second data analysis platform have two states: analysis and packaging and sending. The first data analysis platform and the second data analysis platform can interact with each other in real time and meet the dual-belonging requirements of the secure TRDP.

2. The gateway system based on Ethernet security TRDP communication protocol analysis according to claim 1, it is characterised in that, The parsing state is that the first data parsing platform and the second data parsing platform parse the received Ethernet security TRDP protocol packet and extract valid data.

3. The gateway system based on Ethernet safety TRDP communication protocol analysis according to claim 1, it is characterised in that, The packaging state is that the first data analysis platform and the second data analysis platform package and send the data packet according to the Ethernet security TRDP protocol.

4. The gateway system based on Ethernet safety TRDP communication protocol analysis according to claim 1, it is characterised in that, The first data parsing platform and the second data parsing platform have two states of parsing and packaging and sending, using the Ethernet control chip as a physical channel support, and the control logic of the Ethernet control chip realizes data parsing and packaging and sending; When the Ethernet control chip receives the secure TRDP protocol packet, it parses it according to the protocol and reads the valid content. When the Ethernet control chip receives the data content to be sent, it packages it according to the protocol and sends the complete secure data packet to the corresponding Ethernet interface.

5. The gateway system based on Ethernet security TRDP communication protocol analysis according to claim 1, it is characterised in that, The first data analysis platform is completely independent from the second data analysis platform and can complete analysis and packaging and sending under separate power supply.

6. The gateway system based on Ethernet safety TRDP communication protocol analysis according to claim 1, it is characterised in that, The first data analysis platform and the second data analysis platform achieve data synchronization through the control logic in the Ethernet control chip, and perform algorithm control on the data packet sending between the first data analysis platform and the second data analysis platform in accordance with the Ethernet security TRDP requirements for dual-home.

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