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Linkless communication method and system based on Ethernet mac address
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A technology of MAC address and communication method, which is applied in the field of linkless communication method and system, can solve the problems affecting the versatility and configuration limitations of communication equipment, and the inability to open the IP address of the entire network segment, etc., and achieve the effect of easy implementation and expansion
Active Publication Date: 2021-03-02
FENGHUO COMM SCI & TECH CO LTD
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Problems solved by technology
[0002] The communication mode of existing server and client is: after the client initiates a connection to the server and obtains the other party's IP, it uses the TCP / IP protocol (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Internet Protocol) to perform data transfer. Communication; because the server and the client need to configure the IP address first, that is, they need to reserve an IP address network segment for communication, which will lead to the inability to open the IP address of the entire network segment, which will affect the versatility and configuration limitations of communication equipment
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Embodiment 1
[0043] The process of S1 is: the server and the client respectively use the socket function to create a socket whose socket type and address family are data links, and bind the same service to the sockets of the server and the client The port number is bound to the specified server MAC address on the server socket; in S2, the client sends Ethernet data frames to the server through the socket, and in S3, the server receives Ethernet data frames through the socket.
Embodiment 2
[0045] The process of S2 includes:
[0046] S201: The client encapsulates the data to be sent into a linkless transmission protocol message, see figure 2 As shown, the linkless transmission protocol message includes the source port number (the source port number is specified by the client), the destination port number (that is, the bound service port number), and the payload length (that is, the length of the linkless transmission protocol message) , the checksum, and the payload (that is, the specific linkless transport protocol message), go to S202.
[0047] S202: Encapsulate the linkless transmission protocol message into the public message header, see image 3 As shown, the public message header includes version number, payload length (that is, the length of the linkless transmission protocol message), reserved bits, hop count, protocol type, source MAC address, and destination MAC address, and then go to S203.
[0048]S203: Encapsulate the public packet header with Eth...
Embodiment 3
[0050] On the basis of Embodiment 2, when the MAC address of the server described in S1 is a non-zero MAC address, the process of S3 includes: the server monitors that the destination MAC address is the same as the bound server MAC address, and the destination port number When the Ethernet data is the same as the bound service port number, after receiving the Ethernet data, through the monitoring service program corresponding to the destination MAC address, service port number and protocol type of the Ethernet data, according to the agreed message format and The processing flow handles Ethernet data.
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Abstract
The invention discloses a linkless communication method and system based on an EthernetMAC address, and relates to the field of data communication. The steps of the method are: S1: the client and the server are bound to the same service port number, and the server is bound to the specified serverMAC address; S2: the client sends Ethernet data to the server according to the service port number; S3: The server monitors and receives the Ethernet data sent by the client according to the server MAC address and service port number. The present invention enables the client to communicate with the server directly through the server MAC address and service port number; furthermore, the linkless transmission protocol is applied to the data link layer through the Ethernet MAC address, and the linkless transmission protocol does not occupy CPU resources, no special hardware support, no configuration and various interfaces are provided in the form of common socket sockets, easy to implement and expand, applicable to all Ethernet communication interfaces.
Description
technical field [0001] The invention relates to the field of data communication, in particular to a linkless communication method and system based on an Ethernet MAC address. Background technique [0002] The communication mode of existing server and client is: after the client initiates a connection to the server and obtains the other party's IP, it uses the TCP / IP protocol (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Internet Protocol) to perform data transfer. Communication; because the server and the client need to configure IP addresses first, that is, they need to reserve an IP addressnetwork segment for communication, which will result in the inability to open the IP address of the entire network segment, which will affect the versatility and configuration limitations of communication devices. Contents of the invention [0003] Aiming at the defects existing in the prior art, the technical problem solved by the present in...
Claims
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Application Information
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