Measurement and Analysis of P2P IPTV Program Resource

Table 4

Information entropy and probability of character type.

Character Type	Probability of character type
	IPTV	BitTorrent	eDonkey
Chinese (C)	0.585135	0.260022	0.220748
English (E)	0.051970	0.345382	0.472992
Latin (L)	0.00950	0.002303	0.002324
Greek (G)	0.000029	0.00001	0.000013
Number (N)	0.199762	0.12577	0.057365
Symbol (S)	0.153493	0.264594	0.242756
Unidentified character (O)	0.000109	0.00194	0.003801
Information entropy (H)	1.122197	1.356355	1.231227