U.S. and Canadian law enforcement agencies are warning that a historic switch to the next-generation Internet protocol called
IPv6 may imperil investigations by making it more difficult to trace who's using which electronic address.
FBI, Drug Enforcement Administration, and Royal Canadian Mounted Police officials have told industry representatives that IPv6 traceability is necessary to identify people suspected of crimes. The FBI has even suggested that a new law may be necessary if the private sector doesn't do enough voluntarily.
