title: Does the term switch and router makes sense in OpenFlow context
body: <p>I started reading up on OpenFlow recently.Traditionally by switches we mean boxes where each interface has a MAC address,where are routers are boxes where each interface has an IP address.</p>
  
  <p>The controlplane of a traditional switch contains logic to learn the MAC address and RSTP implementation etc.</p>
  
  <p>The control plane of a traditional router contains distributed routing protocols such as OSPF or BGP.</p>
  
  <p>Once OpenFlow comes into picture and the controlling logic is shifted to the Controller does the difference between switches and routers vanish?Is this likely to drive down the prices for the traditional switches and routers.There are OpenSource controllers already available like Floodlight and OpenDayLight.</p>