CN108234265B - Campus network gateway subsystem based on CAN bus mode - Google Patents
Campus network gateway subsystem based on CAN bus mode Download PDFInfo
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- CN108234265B CN108234265B CN201810007590.9A CN201810007590A CN108234265B CN 108234265 B CN108234265 B CN 108234265B CN 201810007590 A CN201810007590 A CN 201810007590A CN 108234265 B CN108234265 B CN 108234265B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/141—Indication of costs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40143—Bus networks involving priority mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0861—Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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Abstract
The invention discloses a campus network gateway subsystem and operating equipment based on a CAN bus mode, which mainly comprise a student access terminal, a teacher access terminal, a login verification module, a CAN bus, a CAN drive module, a CAN control module, an access gateway, a DNS/DHCP server, an authentication gateway, an information database, a charging module, a core switch and an intra-school server; the system comprises a login verification module, a CAN bus, a CAN driving module, a CAN control module, an access gateway, an authentication gateway, a core switch and an in-school server which are sequentially connected, a student access terminal and a teacher access terminal are connected with the login verification module, a DNS/DHCP server is connected with the access gateway, and an information database and a charging module are connected with the authentication gateway. In a word, the invention has reasonable design, ensures that the normal network use of teachers is not influenced during the network use peak, has safer login verification, and has the advantages of reminding and operating when the balance is insufficient or the charging is abnormal.
Description
Technical Field
The invention relates to the technical field of campus networks, in particular to a campus network gateway subsystem based on a CAN bus mode.
Background
The campus network is a broadband multimedia network providing teaching, scientific research and comprehensive information services for teachers and students in schools. First, the campus network should provide an advanced information-based teaching environment for school teaching and scientific research. This requires that: the campus network is a broadband local area network with strong interaction function and professionalism. Multimedia teaching software development platform, multimedia demonstration classroom, teacher lesson preparation system, electronic reading room and teaching and examination database, etc. can all run on the network. If a school includes multiple disciplines (or multiple lines), multiple local area networks may be formed and connected by wire or wirelessly. Second, the campus network should have educational, administrative, and general administration functions.
The high performance and reliability of the CAN bus has been recognized to have many advantages, such as different priorities for each node on the network, high priority transmission when two nodes transmit information to the network simultaneously, various transmission modes, automatic retransmission when the transmitted information is damaged, and the like.
At present, the use of networks is more and more popular and is already in a rapid development stage, but simultaneously, the phenomenon of network congestion is brought along with the continuous increase of the number of users, the phenomenon is more prominent when the campus network is used, and as a large number of school users are used, the phenomenon of congestion and even paralysis can occur during the peak period of network utilization, which probably influences the progress of the teaching affairs, administration and other work of teachers and other personnel; the campus network stealing phenomenon is endless, on one hand, the phenomenon is the reason of some users, but the problem of the safety of the online verification mode is reflected, and with the continuous development of science and technology, the new verification mode is endless, and is particularly important for improving the login mode; the campus network is mainly used for charging, the balance is not known to be insufficient, the payment is not carried out in time, the normal use of the user is influenced, and the user cannot know and operate in time when the charging is abnormal, so that certain loss can be brought.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a campus network gateway subsystem based on a CAN bus mode.
The campus network gateway subsystem based on CAN bus mode mainly includes student access terminal, teacher access terminal, login verification module, CAN bus, CAN drive module, CAN control module, access gateway, DNS/DHCP server, authentication gateway, information database, charging module, core switch and school server; the system comprises a login verification module, a CAN bus, a CAN driving module, a CAN control module, an access gateway, an authentication gateway, a core switch and an in-school server which are sequentially connected, wherein a student access terminal and a teacher access terminal are connected with the login verification module, a DNS/DHCP server is connected with the access gateway, an information database is associated with the authentication gateway, and a charging module is connected with the authentication gateway;
the login authentication module comprises a request transceiving module, a login authentication server and a face identification system, the request transceiving module is connected with the login authentication server, the login authentication server is connected with the face identification system, the face identification system is connected with the request transceiving module, the request transceiving module is used for receiving and transmitting data received from an access terminal, the login authentication server and the face identification system, the login authentication server is used for processing login requests and transmitting authenticated requests to the CAN bus, and the face identification system is used for generating requests for face identification and authenticating face information;
the CAN bus is used for providing different priorities for each node of the network, and when two nodes transmit information to the network simultaneously, the priority is sent with high priority so as to ensure the priority of a teacher accessing a terminal and avoid the priority of the teacher when the network is used at a peak value;
the CAN driving module is used for receiving and sending data of the CAN bus;
the CAN control module is used for protocol conversion between the access gateway and the CAN driving module;
the access gateway is used for receiving a network access request sent by the access terminal, calling a DNS/DHCP server to perform conversion identification on data using different transmission protocols, and transmitting the data to the authentication gateway;
the authentication gateway comprises an access control module, an authentication and authorization module and a routing module, wherein the access control module is used for calling information database information to compare and screen the information so as to verify the authority class I or II of the campus network; the authentication module is used for sending login charging request information to the charging module and receiving the information of whether the charging verification sent by the charging module passes or not; and the routing module performs routing selection according to a preset strategy principle and by combining the permission I and the permission II provided by the access control module.
Furthermore, the charging module comprises a charging access module, a charging analysis module, a charging subsystem and a judgment module, the charging access module is connected with the authentication module of the authentication gateway, and the charging access module is used for receiving login charging request information; the charging analysis module is connected with the charging access module and is used for analyzing login charging request information and sending the analyzed charging request information to the charging subsystem; the charging subsystem is connected with the charging analysis module and is used for checking according to the analyzed charging request information and generating judgment information and balance information to the judgment module; the judging module is connected with the charging subsystem and is used for receiving judging information and analyzing whether the charging request passes and receiving charging balance information.
Still further, the charging module is connected with a charging judgment transceiver module, the charging judgment transceiver module is in butt joint with the APP, the charging judgment transceiver module is used for judging whether the balance of the analysis charging is insufficient or not, and sending the information to the APP, and the APP is used for charging the cost.
Furthermore, the judging module of the charging module is connected with the charging judging transceiver module, and the charging judging transceiver module is connected with the charging subsystem of the charging module.
Further, the charging judgment transceiver module is used for judging whether the analysis charging is abnormal or not and sending the information to the APP, and the APP is used for executing the emergency offline, so that the loss caused by the abnormal charging to the user can be avoided.
Furthermore, the student access terminal and the teacher access terminal comprise a computer and a mobile device, and the computer and the mobile device are both provided with a photographing camera lens.
Further, the connection is one of a wired connection and a wireless connection.
Furthermore, the student access terminal and the teacher access terminal are connected with the request receiving and sending module of the login authentication module.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention utilizes the CAN bus to set different priorities for teacher access and student access, CAN ensure that the normal use and work of teachers are not influenced when the network is used at a peak, and CAN ensure that the transmission to the next stage is more stable by using the CAN bus.
(2) The invention utilizes the face recognition technology to recognize the start of login, is safer than the login of the traditional password account, ensures the safety of personal network information and prevents the occurrence of network stealing.
(3) The invention can ensure that the user receives prompt when the balance is insufficient in the using process or terminates the access in time when the charging is abnormal by utilizing the connection among the charging module, the charging judging and receiving module and the APP, thereby preventing the cost loss.
Drawings
FIG. 1 is a system block diagram of the present invention.
Fig. 2 is a flow chart of login authentication of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments thereof for better understanding the advantages of the invention.
As shown in fig. 1 and 2, a campus network gateway subsystem based on a CAN bus mode mainly includes a student access terminal, a teacher access terminal, a login verification module, a CAN bus, a CAN drive module, a CAN control module, an access gateway, a DNS/DHCP server, an authentication gateway, an information database, a charging module, a core switch, and an campus server; the system comprises a login verification module, a CAN bus, a CAN driving module, a CAN control module, an access gateway, an authentication gateway, a core switch and an in-school server which are sequentially connected, a student access terminal and a teacher access terminal are connected with a request receiving and sending module of the login verification module, a DNS/DHCP server is connected with the access gateway, an information database is associated with the authentication gateway, a charging module is connected with the authentication gateway, the student access terminal and the teacher access terminal comprise a computer and mobile equipment, and the computer and the mobile equipment are provided with a photographing camera lens. The connection is one of a wired connection and a wireless connection;
the login authentication module comprises a request transceiving module, a login authentication server and a face identification system, the request transceiving module is connected with the login authentication server, the login authentication server is connected with the face identification system, the face identification system is connected with the request transceiving module, the request transceiving module is used for receiving and transmitting data received from the access terminal, the login authentication server and the face identification system, the login authentication server is used for processing a login request and transmitting the authenticated request to the CAN bus, and the face identification system is used for generating a request for face identification and authenticating face information;
the CAN bus is used for providing different priorities for each node of the network, and when two nodes transmit information to the network simultaneously, the priority is sent with high priority so as to ensure the priority of a teacher accessing a terminal and avoid the priority of the teacher when the network is used at a peak value;
the CAN driving module is used for receiving and sending data of a CAN bus;
the CAN control module is used for protocol conversion between the access gateway and the CAN driving module;
the access gateway is used for receiving a network access request sent by the access terminal, calling a DNS/DHCP server to perform conversion identification on data using different transmission protocols, and transmitting the data to the authentication gateway;
the authentication gateway comprises an access control module, an authentication module and a routing module, wherein the access control module is used for calling information database information to compare and screen the information so as to verify the authority class I or II of the campus network; the authentication module is used for sending login charging request information to the charging module and receiving the information of whether the charging verification sent by the charging module passes or not; and the routing module performs routing selection according to a preset strategy principle and by combining the permission I type and the permission II type provided by the access control module.
The charging module comprises a charging access module, a charging analysis module, a charging subsystem and a judgment module, the charging access module is connected with the authentication module of the authentication gateway, and the charging access module is used for receiving login charging request information; the charging analysis module is connected with the charging access module and is used for analyzing login charging request information and sending the analyzed charging request information to the charging subsystem; the charging subsystem is connected with the charging analysis module and used for checking according to the analyzed charging request information and generating judgment information and balance information to the judgment module; the judging module is connected with the charging subsystem, the judging module is used for receiving judging information and analyzing whether the charging request passes through and receives charging balance information, the judging module of the charging module is connected with the charging judging transceiver module, the charging judging transceiver module is connected with the charging subsystem of the charging module, the charging judging transceiver module is in butt joint with the APP, the charging judging transceiver module is used for judging whether the analysis charging is abnormal or the balance is insufficient, and send the information to the APP, the APP is used for executing emergent offline or charging, so that the loss brought to a user due to abnormal charging can be avoided, and meanwhile, the APP is more convenient and fast to recharge.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A campus network gateway subsystem based on CAN bus mode is characterized in that the system mainly comprises a student access terminal, a teacher access terminal, a login verification module, a CAN bus, a CAN drive module, a CAN control module, an access gateway, a DNS/DHCP server, an authentication gateway, an information database, a charging module, a core switch and an school server; the system comprises a login verification module, a CAN bus, a CAN driving module, a CAN control module, an access gateway, an authentication gateway, a core switch and an in-school server which are sequentially connected, wherein a student access terminal and a teacher access terminal are connected with the login verification module, a DNS/DHCP server is connected with the access gateway, an information database is associated with the authentication gateway, and a charging module is connected with the authentication gateway;
the login authentication module comprises a request transceiving module, a login authentication server and a face identification system, the request transceiving module is connected with the login authentication server, the login authentication server is connected with the face identification system, the face identification system is connected with the request transceiving module, the request transceiving module is used for receiving and transmitting data received from an access terminal, the login authentication server and the face identification system, the login authentication server is used for processing login requests and transmitting authenticated requests to the CAN bus, and the face identification system is used for generating requests for face identification and authenticating face information;
the CAN bus is used for providing different priorities for each node of the network, and when two nodes transmit information to the network at the same time, the priority is sent with high priority so as to ensure the priority of a teacher accessing the terminal;
the CAN driving module is used for receiving and sending data of the CAN bus;
the CAN control module is used for protocol conversion between the access gateway and the CAN driving module;
the access gateway is used for receiving a network access request sent by the access terminal, calling a DNS/DHCP server to perform conversion identification on data using different transmission protocols, and transmitting the data to the authentication gateway;
the authentication gateway comprises an access control module, an authentication and authorization module and a routing module, wherein the access control module is used for calling information database information to compare and screen the information so as to verify the authority class I or II of the campus network; the authentication module is used for sending login charging request information to the charging module and receiving the information of whether the charging verification sent by the charging module passes or not; and the routing module performs routing selection according to a preset strategy principle and by combining the permission I and the permission II provided by the access control module.
2. The CAN bus mode-based campus network gateway subsystem according to claim 1, wherein the charging module comprises a charging access module, a charging analysis module, a charging subsystem and a judgment module, the charging access module is connected with the authentication module of the authentication gateway, and the charging access module is used for receiving login charging request information; the charging analysis module is connected with the charging access module and is used for analyzing login charging request information and sending the analyzed charging request information to the charging subsystem; the charging subsystem is connected with the charging analysis module and is used for checking according to the analyzed charging request information and generating judgment information and balance information to the judgment module; the judging module is connected with the charging subsystem and is used for receiving judging information and analyzing whether the charging request passes and receiving charging balance information.
3. The CAN bus mode-based campus network gateway subsystem according to claim 2, wherein the charging module is connected to a charging judgment transceiver module, the charging judgment transceiver module is in butt joint with the APP, the charging judgment transceiver module is used for judging whether the charging is insufficient or not and sending information to the APP, and the APP is used for charging the fee.
4. The CAN bus mode-based campus network gateway subsystem according to claim 3, wherein the judging module of the charging module is connected with a charging judging transceiver module, and the charging judging transceiver module is connected with a charging subsystem of the charging module.
5. The CAN bus mode-based campus network gateway subsystem as claimed in claim 1, wherein the student access terminal and the teacher access terminal comprise a computer and a mobile device, and the computer and the mobile device are both provided with a camera lens.
6. The CAN bus based campus network gateway subsystem of claim 1 wherein the billing module is wirelessly connected to the authentication gateway.
7. The CAN bus based campus network gateway subsystem of claim 1 wherein said connection is one of a wired connection and a wireless connection.
8. The CAN bus based campus network gateway subsystem of claim 1 wherein the student access terminals and teacher access terminals are connected to the request transceiver module of the login authentication module.
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| CN201810007590.9A CN108234265B (en) | 2018-01-04 | 2018-01-04 | Campus network gateway subsystem based on CAN bus mode |
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| CN201810007590.9A CN108234265B (en) | 2018-01-04 | 2018-01-04 | Campus network gateway subsystem based on CAN bus mode |
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| CN110097393A (en) * | 2019-03-28 | 2019-08-06 | 苏州德沃雄氏信息科技有限公司 | A kind of cloud cash register retail management method and management system based on SAAS service |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102800038A (en) * | 2012-08-13 | 2012-11-28 | 南京鑫三强科技实业有限公司 | Intelligence education E-card system platform based on internet of things and cloud computation |
| US8781442B1 (en) * | 2006-09-08 | 2014-07-15 | Hti Ip, Llc | Personal assistance safety systems and methods |
| CN106059806A (en) * | 2016-05-27 | 2016-10-26 | 杭州华三通信技术有限公司 | CAN message sending method and device |
| CN106128082A (en) * | 2016-08-30 | 2016-11-16 | 南京双京电器集团有限公司 | A kind of gateway device and wireless transmitting system |
| WO2017109584A3 (en) * | 2015-09-18 | 2017-09-28 | Trillium Incorporated | Computer-implemented cryptographic method for improving a computer network, and terminal, system and computer-readable medium for the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140148930A1 (en) * | 2012-11-28 | 2014-05-29 | Christopher J. Goodwin | Gamified study environment |
-
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- 2018-01-04 CN CN201810007590.9A patent/CN108234265B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8781442B1 (en) * | 2006-09-08 | 2014-07-15 | Hti Ip, Llc | Personal assistance safety systems and methods |
| CN102800038A (en) * | 2012-08-13 | 2012-11-28 | 南京鑫三强科技实业有限公司 | Intelligence education E-card system platform based on internet of things and cloud computation |
| WO2017109584A3 (en) * | 2015-09-18 | 2017-09-28 | Trillium Incorporated | Computer-implemented cryptographic method for improving a computer network, and terminal, system and computer-readable medium for the same |
| CN106059806A (en) * | 2016-05-27 | 2016-10-26 | 杭州华三通信技术有限公司 | CAN message sending method and device |
| CN106128082A (en) * | 2016-08-30 | 2016-11-16 | 南京双京电器集团有限公司 | A kind of gateway device and wireless transmitting system |
Non-Patent Citations (1)
| Title |
|---|
| "华为敏捷网络校园网解决方案技术建议书 v1.0";华为;《URL：https://support.huawei.com/enterprise/zh/doc/EDOC1000064616》;20150120;全文 * |
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