An Impulse-C Hardware Accelerator for Packet Classification Based on Fine/Coarse Grain Optimization

Table 1

A five-rule classifier.

No.	IP (64 bits)		Port (32 bits)		Protocol (8 bits)
	Source (32 bits)	Destination (32 bits)	Source (16 bits)	Destination (16 bits)
	Chunk# 0 : 1 : 2 : 3	Chunk# 4 : 5 : 6 : 7	Chunk# 8 : 9	Chunk# 10 : 11	Chunk# 12
1	0.0.0.0/0	0.0.0.0/0	0 : 65535	21 : 21	0/ff
2	0.83.1.0/24	0.0.4.6/32	0 : 65535	20 : 30	17/ff
3	0.83.4.0/22	0.0.0.0/0	0 : 65535	21 : 21	0/0
4	0.0.9.0/24	0.0.0.0/0	0 : 65535	0 : 65535	0/ff
5	0.83.0.77/32	0.0.4.6/32	0 : 65535	0 : 65535	17/ff