A method and device for receiving and processing ip messages
A technology of IP message and processing device, applied in the field of network communication, can solve the problem of lack of comparatively shaped implementation device, etc., and achieve the effect of high execution efficiency
Active Publication Date: 2018-12-14
SOUTHEAST UNIV
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Problems solved by technology
[0005] For the processing of data packets transmitted between the MAC layer and the network layer, there is currently no relatively well-formed implementation device
Method used
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[0056] In order to highlight the technical features and advantages of the present invention, the present invention will be described in detail below with reference to the figures.
[0057] The key of the present invention is: the third layer in the network, i.e. the network layer (the seven-layer OSI model is referring to figure 1 ), a processing method and implementation device for IP data packets are proposed, and a modularized implementation scheme is provided for the processing of data packets from MAC to network layer.
[0058] refer to figure 2 The flow chart of device, content of the present invention is as follows:
[0059] An IP message processing device is characterized in that it includes a sequentially connected message receiving module, a format processing module, a length checking module, an error checking module, a padding processing module, a decapsulating processing module, an extracting and searching keyword module, and a routing module. In the table item ...
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The invention provides an IP message receiving and processing device and processing method. The data message information from the MAC layer is cached first through the message receiving module, and the message receiving module controls the receiving speed at the same time; after the received data message information with an appropriate speed is placed in the buffer unit, it is processed by the format processing module for subsequent The processing reserves a blank header and adds header and tail information; then the data enters the length check module and the error check module to check whether the data message information is correct; the data message information without errors then enters the filling processing module and decapsulation The processing module cooperates with the maximum and minimum packet limit of the network layer through these modules; after that, the data message information enters the extraction and search keyword module, and cooperates with the subsequent routing table item search and result return module to realize the routing algorithm; finally, the forwarding module forms a processed IP packets are sent to the transport layer.
Description
technical field [0001] The present invention relates to the technical field of network communication, in particular to a method and device for receiving and processing IP (Internet Protocol, network protocol) messages. The so-called IP packet is the packet information transmitted one by one at the network layer. Background technique [0002] Today's world is the era of information technology explosion, information technology has been revolutionary development, even related to the economic lifeline of a country, all countries are vigorously developing information technology, the popularization and development of information technology cannot be separated from the network, it is The development of the Internet stimulates the widespread dissemination of information technology more rapidly. Therefore, the Internet is the cornerstone of the development of this era and an important medium to promote the rapid development of information technology. If a country wants to vigorously ...
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IPC IPC(8): H04L12/741H04L12/801H04L45/74
CPCH04L45/745H04L47/10
Inventor 李冰刘玉翠刘洋金涛陈帅刘勇董乾赵霞王刚
Owner SOUTHEAST UNIV