An Optimization Method for the Geolocation Databases of Internet Hosts Based on Machine Learning

Table 10

The measurement and computation overheads of different geolocation methods.

Overhead	Geolocation method
	CBG	CBG + GeoCop	TBG	TBG + GeoCop
Measurement (one time)
Measurement (t times)
Computation (one time)
Computation (t times)