Dotted lines on carriers maps

Time to check the DLR's again. You know that dotted line on the map for your redudandent backup. Guess what the dotted line means?

From IDG.NET The China-U.S. Cable Network began operation in January 2000 with landings in California, South Korea, Japan, Taiwan and Guam. A second leg, which will create a loop and provide backup in case of a failure, is still under construction