First stab at reviewer 1 comments. 

I think i covered everything accept the following comment: 

\rev{
I will assume that creation of such a graph and interconnections will be 
expected to be done by some kind of software tool or wizard. A brief 
discussion about why this MCG, FPG and PSG idea is better to lead to such a 
system can be useful. Although this itself can be a separate research and 
paper, but why this idea can provide a better foundation can be valuable.
}

I took a stab at it in the new section2.4, but this still needs work.