create resource api  performance Qa

network 
subnet
port 

serialized  
paralleled execute 

case 1: 
     1000 create network   serialized 

case 2: 
     1000 create network   concurrent executed 

case 3:  

     100 create subnet   serialized 
case 4:  

     100 create subnet   concurrent executed 
case 5:  

     1000 create port    serialized 
case 6:  
     1000 create port   concurrent executed 



2016.1.22
   1, merge  create network operation  and paralleled  to create network