Here Comes 100 Megabits
Here Comes 100 Megabits 100 megabit to the home is coming fast. At the companion Fast Net Futures show, MetaLink Broadband conducted an actual demonstration of VDSL running at 100M bps down, and 50M bps up. It was pretty impressive. The silicon is available now, and is being adopted in Japan and other countries. However, it only works at those speeds up to about 300 meters from the CO. But at those speeds, over copper, its much more cost effective than fiber to the curb.On the upstream side, effective performance started around 9M bps, but dropped off rapidly over about a mile, and ended up equivalent to ADSL2+ at about two miles. Still, these bandwidth rates are impressive. Message to SBC: Roll VDSL out in my neighborhood, and Ill become a customer againand Ill toss my Comcast cable modem into the trash. However, cables not sitting still either. 100-megabit cable was also discussed at the show, and its also right around the corner.
The falloff was impressive too. Bandwidth down dropped to 20 megabits at 2 kilometers (about a mile and a half), twice that of traditional ADSL. After about 3 kilometers, though, ADSL and MetaLinks Total VDSL exhibited similar performance characteristics.