On 2/28/2011 8:44 AM, Dobbins, Roland wrote: > On Feb 28, 2011, at 8:40 PM, Jim Gettys wrote: >> Again, having a permanently known identifier being broadcast all the time is a potentially a serious security/safety issue. > We already have this with MAC addresses, unless folks bother to periodically change them, do we not? Not globally, no. Jeff