C-DNS and PCAP – comparison of data sizes

The following table shows sizes of C-DNS and PCAP data collected for 10 DNS servers in December 2020, and divided in xz-compressed files containing 5 minutes worth of traffic each.

The mean ratio is 16.6%.

Server	C-DNS (GB)	PCAP (GB)	Ratio (%)
cecolo-cz	47	261	18.0
cra-ca	15	108	13.9
cra-cz	219	862	25.4
decix-ca	33	289	11.4
decix-cz	63	372	16.9
linx-ca	55	451	12.2
linx-cz	148	802	18.5
mix-cz	14	77	18.2
vix-ca	40	296	13.5
vix-cz	45	254	17.7