Flow-based data packet filtering system and data packet filtering method by using Tilera multi-core accelerator card
A technology of filtering systems and data packets, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as low I/O performance, CPU performance problems, and increased main memory capacity, so as to improve efficiency and reduce pressure. , the effect of high portability
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[0131] An embodiment of the present invention is given below to illustrate the process of data packet filtering in the present invention. The specific packet filtering steps are as follows:
[0132] Step 1, the onboard mPIPE unit of the Tilera multi-core accelerator card on the general host obtains the data packet PA sent from the network device in , mPIPE gives all received packets pa in According to packet PA in The order of arrival is time stamped, and the data packets at this time are
[0133] PA={packet 1 ,packet 2 ,packet 3 ,packet 4 ,packet 5 ,packet6 ,...,packet M}.
[0134] Read all packets from mPIPE unit
[0135] PA={packet 1 ,packet 2 ,packet 3 ,packet 4 ,packet 5 ,packet 6 ,...,packet M}, and all packets
[0136] PA={packet 1 ,packet 2 ,packet 3 ,packet 4 ,packet 5 ,packet 6 ,...,packet M} stored in the buffer.
[0137] Step 2, for all the above packets
[0138] PA={packet 1 ,packet 2 ,packet 3 ,packet 4 ,packet 5 ,packet 6 ,...,pa...
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