Effect of geographic location

The geographic location of a source indirectly determines its network connectivity. Sources near well-connected geographic locations like the Bay Area can potentially have less circuitous routes since many commercial ISPs will have a POP very close to them. To better understand the effect of geographic location, we compare the distance ratios of sources in different locations to a common set of destination end-hosts. We extend this analysis to study the role of network structures in different continents (U.S and Europe) on the circuitousness of paths.