Canada should join the United States' currently underway "DDG 51  ("version 4)" Destroyer programme:
https://fas.org/sgp/crs/weapons/RL32109.pdf 

At least then  the RCN would end up receiving 21st-century-capable, multi-mission surface combatants, something that surely won't be the case if Canada insists on "re-inventing the wheel", and continues with plans to domestically design and build its replacement Destroyers and Frigates

At $3 billion to $4 billion a copy, DDG-51s ("version 4s) would enable the RCN's surface vessels to, for a change, provide legitimate, meaningful contributions to NATO and other allies' missions world wide, instead of continuing to be  liabilities...