CN115473801A - Data communication system and method of software defined communication interface - Google Patents
Data communication system and method of software defined communication interface Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0829—Packet loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/087—Jitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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Abstract
The embodiment of the disclosure provides a data communication system and method of a software defined communication interface, which includes: a control center chip and an interface circuit board; wherein the control center chip is connected with the interface circuit board; the control center chip is used for carrying out communication control and configuration; the control center comprises a protocol filtering unit, a communication monitoring unit, a configuration management unit and a permission management unit; the interface circuit board at least comprises two serial interfaces and at least two Ethernet interfaces; the serial port interface and the Ethernet interface are used for connecting external equipment so as to realize communication between at least two interfaces through the control center chip.
Description
Technical Field
The application provides a data processing method, in particular to a data communication system and a data communication method of a software defined communication interface.
Background
In the field of computer communication, serial communication and internet access communication are two common communication modes. In most cases, the communication mode is serial port to serial port and network port to network port mode. In some special scenes, a serial port-to-network port mode and a network port-to-serial port mode also exist. The method is realized by adopting a hardware mode at present; the method can not realize flexible definition and configuration when multi-serial port and multi-network port hybrid communication. Especially, in an operation and maintenance scenario requiring centralized management of communication protocols and contents, the implementation cannot be realized in a hardware manner.
Disclosure of Invention
The application provides a data communication system and a method of a software defined communication interface, which can carry out multi-interface mixed data transmission through a software-implemented interface.
In order to achieve the above object, an embodiment of the present application provides a data communication system with a software defined communication interface, including:
a control center chip and an interface circuit board; wherein the control center chip is connected with the interface circuit board;
the control center chip is used for carrying out communication control and configuration; the control center comprises a protocol filtering unit, a communication monitoring unit, a configuration management unit and a permission management unit;
the protocol filtering unit is used for carrying out power on a protocol of data to identify risk operation and carrying out risk instruction blocking when serial port-internet port data conversion is carried out;
the communication monitoring unit is used for monitoring communication quality parameters of one or more connecting channels; the communication monitoring unit can generate a complete communication message for each connection channel;
the configuration management unit is used for generating a connection channel between a first data interface and a second data interface according to configuration information, wherein the first data interface can be a serial port or an Ethernet port, and the second data interface can be a serial port or an Ethernet port; the communication between the serial port and the serial port is realized, or the communication between the serial port and the Ethernet port is realized, or the communication between the Ethernet port and the Ethernet port is realized;
the authority management unit is used for carrying out authorization management on data communication according to a user-defined rule; wherein the custom rule can be any one or more of the following: date, time, session time length, IP address, port, protocol type;
the interface circuit board at least comprises two serial interfaces and at least two Ethernet interfaces; the serial port interface and the Ethernet interface are used for connecting external equipment so as to realize communication between at least two interfaces through the control center chip.
Further, the protocol type may be any one of the following: SSH protocol, telnet protocol, SFTP protocol, FTP protocol, SCP protocol.
Further, the communication quality parameter may be at least one of the following: communication bandwidth, packet loss rate, communication delay and jitter.
Further, the Ethernet interface is an RJ-45 communication protocol interface.
Further, the serial port is an RS-232 protocol interface, or an RS422 protocol interface, or an RS485 protocol interface.
Meanwhile, an embodiment of the present application further provides a method for performing data communication by using the data communication system with the software defined communication interface, where the method includes:
connecting a first data interface and a second data interface through an interface circuit board, wherein the first data interface can be a serial port or an Ethernet port, and the second data interface can be a serial port or an Ethernet port; the communication between the serial port and the serial port is realized, or the communication between the serial port and the Ethernet port is realized, or the communication between the Ethernet port and the Ethernet port is realized;
the configuration parameters of the first data interface and the second data interface are configured through the control center chip, a connecting channel between the first data interface and the second data interface is established, protocol filtering is carried out on communication data of the connecting channel between the first data interface and the second data interface through the protocol filtering unit, authority confirmation is carried out on the communication data of the connecting channel between the first data interface and the second data interface through the authority management unit, and each connecting channel is monitored through the communication monitoring unit to generate a complete communication message.
Further, the protocol type may be any one of the following: SSH protocol, telnet protocol, SFTP protocol, FTP protocol, SCP protocol.
Further, the communication quality parameter may be at least one of: communication bandwidth, packet loss rate, communication delay and jitter.
Further, the Ethernet interface is an RJ-45 communication protocol interface.
Further, the serial port is an RS-232 protocol interface, or an RS422 protocol interface, or an RS485 protocol interface.
The beneficial effects of the above technical scheme of this application are as follows: according to the technical scheme, the data communication system and the data communication method of the software defined communication interface are provided, the serial port communication is unified to the network port communication mode, the centralized unified management of the serial port communication and the network port communication is realized by adopting a software defined technology, the flexible configuration of the serial port communication and the network port communication is realized, the complexity and the cost of a communication system are reduced, and the flexibility and the development efficiency of the system are improved.
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Fig. 1 is a schematic system architecture diagram according to an embodiment of the present application.
Detailed Description
To make the technical problems, technical solutions and advantages to be solved by the present application clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
First, for ease of understanding, the terms referred to in this application are introduced:
1. serial ports, also called serial interface, serial communication interface, COM interface; the serial port is an expansion interface adopting a serial communication mode. A Serial Interface (Serial Interface) transfers data bit by bit sequentially. The serial port is characterized in that the communication line is simple, and bidirectional communication can be realized only by one pair of transmission lines, so that the cost is greatly reduced, and the serial port is particularly suitable for remote communication but has a lower transmission speed. In some implementations, the serial port may directly utilize a telephone line as the transmission line. The serial port needs to satisfy at least one of the following communication protocols: RS-232 protocol (also known as EIA RS-232), RS422 protocol and RS485 protocol.
2. A portal, which is a network interface for wired communication, that meets FCC (federal communications commission standards and regulations) standards; in the FCC standard, RJ is the interface that describes the public telecommunication network, and RJ45 of the computer network is the standard 8-bit modular interface, commonly known as an ethernet port, or network port.
3. Software definition, which means that hardware functions are realized through computer software; the essence of software definition is that on the basis of digitalization and standardization of hardware resources, the software programming is used for realizing the functions of virtualization, flexibility, diversity and customization, providing customized special intelligent and customized services for the outside and realizing the deep fusion of application software and hardware. The core of the software definition is an API (Application Programming Interface). The API relieves the coupling relation between software and hardware, promotes the development of application software to the personalized direction, hardware resources to the standardized direction and system functions to the intelligent direction. On the API, all can be programmed; under the API, if not necessary, no additional entities are added.
The embodiment of the application provides a data communication system with a software defined communication interface as shown in fig. 1, which can realize communication between a serial port and a network port through software, realize centralized and unified management of the serial port communication and the network port communication by adopting a software defined technology, realize flexible configuration of the serial port communication and the network port communication, reduce the complexity and the cost of the communication system, and improve the flexibility and the development efficiency of the system. The system architecture of the data communication method of the software-defined communication interface according to the embodiment of the present application may be as shown in fig. 1, and is used for data conversion between a serial port and a network port. The data conversion between the serial port and the network port is as follows: and converting the data of the serial port data protocol into the data of the Ethernet port protocol, or converting the data of the Ethernet port protocol into the data of the serial port protocol. In this way, the serial port and the Ethernet port can be communicated with each other. Meanwhile, even if a plurality of serial ports or a plurality of network ports exist, a plurality of connecting channels can be established, and the plurality of connecting channels can simultaneously transmit data in parallel according to the data source address and the data destination address.
The data communication system of the software defined communication interface of the embodiment of the application comprises: a control center chip and an interface circuit board; wherein the control center chip is connected with the interface circuit board;
the control center chip is used for carrying out communication control and configuration; the control center comprises a protocol filtering unit, a communication monitoring unit, a configuration management unit and an authority management unit;
the protocol filtering unit is used for carrying out power on a protocol of data to identify risk operation and carry out risk instruction blocking when carrying out serial port-network port data conversion; wherein the protocol comprises: SSH protocol, telnet protocol, SFTP protocol, FTP protocol, SCP protocol;
the communication monitoring unit is configured to monitor communication quality parameters of one or more connection channels, where the communication quality parameters may be at least one of the following: communication bandwidth, packet loss rate, communication delay and jitter; the communication monitoring unit can generate a complete communication message for each connection channel;
the configuration management unit is used for generating a connection channel between a first data interface and a second data interface according to configuration information, wherein the first data interface can be a serial port or an Ethernet port, and the second data interface can be a serial port or an Ethernet port; that is, serial port-serial port communication, or serial port-ethernet port communication, or ethernet port-ethernet port communication can be realized;
the authority management unit is used for carrying out authorization management on data communication according to a user-defined rule; the custom rule can be any one or more of the following: date, time, session time length, IP address, port, protocol type; the protocol type can be SSH protocol, telnet protocol, SFTP protocol, FTP protocol and SCP protocol;
the interface circuit board at least comprises two serial interfaces and at least two Ethernet interfaces; the serial port interface and the Ethernet interface are used for connecting external equipment so as to realize communication between at least two interfaces through the control center chip.
In embodiments of the present application, the interface for communication may be defined by software. In one implementation, a serial port may be defined to communicate with one or more destination interfaces, and the destination interfaces may be serial ports, ethernet ports, or both. In another implementation, an ethernet port may be defined to communicate with one or more destination interfaces, and the destination interfaces may be serial ports, ethernet ports, or both serial ports and ethernet ports. The most common application scenario is that a connection channel is established between a serial port and an ethernet port, so that communication protocol conversion and data transmission between the serial port and the ethernet port are realized through a software defined API. Meanwhile, due to the fact that the API is defined by software, simultaneous and parallel operation of a plurality of connecting channels can be achieved, and one-to-many data communication can be achieved.
When the system is implemented, the software-defined serial port and network port communication system of the embodiment of the application can implement the following functions: serial port-network port conversion, network port unified access and communication centralized management. The specific implementation is detailed as follows:
(1) Serial port-network port conversion: the serial port-network port conversion is to convert the data of the serial port (such as RS-232/422/485 and the like) into the data of an Ethernet port (RJ-45). Meanwhile, the data of the Ethernet port (RJ-45) is converted into the data of the serial port (such as RS-232/422/485 and the like). Through serial port-network port conversion, a foundation is laid for unified access of software defined communication.
(2) And uniformly accessing the network ports: after the serial port-network port conversion process, the serial port communication and the network port communication are unified to the network port communication, and the unified access of a plurality of network ports to the control center is realized.
(3) Communication centralized management: the communication centralized management mainly comprises the steps of configuration management, authority management, protocol filtration and communication monitoring of all accessed network ports. Wherein, the communication centralized management includes:
configuration management: the connection between any serial port and between any serial port and network port is realized through configuration management; the configuration of parameters such as baud rate, data bits, stop bits, parity bits and the like of serial port communication is supported, and the configuration of parameters such as IP addresses, gateways, subnet masks and the like of internet access communication is supported.
And (3) authority management: fine-grained authorization is realized, and custom rules (such as date/time, session duration, IP, port, protocol type and the like) are supported. Command level authorization management can be implemented for character type protocols such as Telnet, SSH, FTP, SFTP, etc.
Protocol filtering: the method supports filtering on SSH, telnet, SFTP, FTP and SCP protocols, identifies risk operation and supports risk instruction blocking.
Communication monitoring: monitoring of communication quality (such as bandwidth, packet loss, time delay, jitter and the like) is supported; and the complete communication message of each channel link is supported to be recorded.
Aiming at a serial port communication terminal, the mutual conversion of a serial port and a network port is realized through a serial port-network port converter, and the serial port and the network port are accessed to a control center in a network port mode; and directly accessing the terminal for the internet access communication to the control center in an internet access mode. The control center is responsible for managing configuration management, authority management, protocol filtering, communication monitoring and the like of communication between terminals (serial port access) and terminals (internet access).
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs. The procedures or functions described in accordance with the embodiments of the present application are generated in whole or in part when the computer program is loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer program can be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disc (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.
Those of ordinary skill in the art will understand that: the various numbers of the first, second, etc. mentioned in this application are only used for the convenience of description and are not used to limit the scope of the embodiments of this application, but also to indicate the sequence.
At least one of the present applications may also be described as one or more, and a plurality may be two, three, four or more, and the present application is not limited thereto. In the embodiment of the present application, for a technical feature, the technical features in the technical feature are distinguished by "first", "second", "third", "a", "B", "C", and "D", and the like, and the technical features described in "first", "second", "third", "a", "B", "C", and "D" are not in a sequential order or a size order.
The correspondence shown in the tables in the present application may be configured or predefined. The values of the information in each table are only examples, and may be configured to other values, which is not limited in the present application. When the correspondence between the information and each parameter is configured, it is not always necessary to configure all the correspondences indicated in each table. For example, in the table in the present application, the correspondence shown in some rows may not be configured. For another example, appropriate modification adjustments, such as splitting, merging, etc., can be made based on the above tables. The names of the parameters in the tables may be other names understandable by the communication device, and the values or the expression of the parameters may be other values or expressions understandable by the communication device. When the above tables are implemented, other data structures may be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables may be used.
Predefinition in this application may be understood as defining, predefining, storing, pre-negotiating, pre-configuring, curing, or pre-firing.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A data communication system of a software defined communication interface, comprising:
a control center chip and an interface circuit board; wherein the control center chip is connected with the interface circuit board;
the control center chip is used for carrying out communication control and configuration; the control center comprises a protocol filtering unit, a communication monitoring unit, a configuration management unit and a permission management unit;
the protocol filtering unit is used for carrying out power on a protocol of data to identify risk operation and carry out risk instruction blocking when carrying out serial port-network port data conversion;
the communication monitoring unit is used for monitoring communication quality parameters of one or more connecting channels; the communication monitoring unit can generate a complete communication message for each connection channel;
the configuration management unit is used for generating a connection channel between a first data interface and a second data interface according to configuration information, wherein the first data interface can be a serial port or an Ethernet port, and the second data interface can be a serial port or an Ethernet port; the serial port-serial port communication is realized, or the serial port-Ethernet port communication is realized, or the Ethernet port-Ethernet port communication is realized;
the authority management unit is used for carrying out authorization management on data communication according to a user-defined rule; wherein the custom rule can be any one or more of the following: date, time, session time length, IP address, port, protocol type;
the interface circuit board at least comprises two serial interfaces and at least two Ethernet interfaces; the serial port interface and the Ethernet interface are used for connecting external equipment so as to realize communication between at least two interfaces through the control center chip.
2. The system of claim 1, wherein the protocol type can be any one of the following: SSH protocol, telnet protocol, SFTP protocol, FTP protocol, SCP protocol.
3. The system of claim 1, wherein the communication quality parameter is at least one of: communication bandwidth, packet loss rate, communication delay and jitter.
4. The system of claim 1, wherein the ethernet port is an RJ-45 communications protocol interface.
5. The system of claim 1, wherein the serial port is an RS-232 protocol interface, an RS422 protocol interface, or an RS485 protocol interface.
6. A method of communicating data using a data communication system of the software defined communication interface of any of claims 1-5, comprising:
connecting a first data interface and a second data interface through an interface circuit board, wherein the first data interface can be a serial port or an Ethernet port, and the second data interface can be a serial port or an Ethernet port; the serial port-serial port communication is realized, or the serial port-Ethernet port communication is realized, or the Ethernet port-Ethernet port communication is realized;
configuration parameters of the first data interface and the second data interface are configured through the control center chip, a connecting channel between the first data interface and the second data interface is established, protocol filtering is carried out on communication data of the connecting channel between the first data interface and the second data interface through the protocol filtering unit, authority confirmation is carried out on the communication data of the connecting channel between the first data interface and the second data interface through the authority management unit, and each connecting channel is monitored through the communication monitoring unit to generate a complete communication message.
7. The method of claim 6, wherein the protocol type can be any one of the following: SSH protocol, telnet protocol, SFTP protocol, FTP protocol, SCP protocol.
8. The method of claim 6, wherein the communication quality parameter is at least one of: communication bandwidth, packet loss rate, communication delay and jitter.
9. The method of claim 6, wherein the ethernet port is an RJ-45 communications protocol interface.
10. The method of claim 6, wherein the serial port is an RS-232 protocol interface, an RS422 protocol interface, or an RS485 protocol interface.
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| US20040210320A1 (en) * | 2002-06-11 | 2004-10-21 | Pandya Ashish A. | Runtime adaptable protocol processor |
| US20090003600A1 (en) * | 2007-06-29 | 2009-01-01 | Widevine Technologies, Inc. | Progressive download or streaming of digital media securely through a localized container and communication protocol proxy |
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