The basis for saying that is that it's implemented as a replacement layer, not as an additional layer to the traditional.
On June 5th, 2014. See this statement in context.
On June 5th, 2014. See this statement in context.
June 5th, 2014 / 10:15 a.m.
National President, Union of Canadian Transportation Employees
The basis for saying that is that it's implemented as a replacement layer, not as an additional layer to the traditional.
See context to find out what was said next.