Question

In SDN - based sensor network , one can manage

Answer 1

yes it can manage if you can do it

Answer 2

Software Defined Networks are very efficient and flexible network framework which helps to manage large scale networks mainly as it separate between hardware and software and has a great influence over global network optimizations.  

When SDN ideas are incorporated into Wireless Sensor Networks, it leads to interesting research works.  

This reasearch paper provides an interface for applying SDN to WSN.