Communication between two DC within same project

Hi All

How to communicate between 2 DC within a same project

Followed this link

https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/60132577-7801-2b10-c9b1-b13b2f78f23b

but didnt get output

Thanks

Rishi.