Figure 1

Fig. 1. The countries covered by the SLAC/PingER project, which measures the return time of an Internet packet between a monitoring site and the remote site, and by the electronic Journals Delivery Service (eJDS).
International Journal of High-Energy Physics

Fig. 1. The countries covered by the SLAC/PingER project, which measures the return time of an Internet packet between a monitoring site and the remote site, and by the electronic Journals Delivery Service (eJDS).