I have already installed Enterprise and database server using platform pack and now I would like to install deployment server. But I have a doubt that how would my deployment server will connect Enterprise server?
Try again. No one is looking over your shoulder, no one knows your system. I don't even know what you mean by "Enterprise and database server using platform pack" What do you mean by "platform pack"? I've been working with Oracle since 1995 and never heard that term. What is your "deployment server"?
Just explain in more detail exactly what you have and where you want to go.