Query on CORBA standard

Question

If i make sure that kernel on client & server machine uses

1. same protocol stack for instance AF_INET(say) 
2. use same delivery mechanism for instance SOCK_STREAM(say)

then

1)

Don't you think you can write a client program in Java(On Windows) and Server program in C(On Solaris)?

2)

Is yes, Why do we need CORBA standard for client-server communication between software components in different languages for different OS running on different architectures?

Answer 1

Don't you think you can write a client program in Java(On Windows) and Server program in C(On Solaris)?

Of course you can.

Why do we need CORBA standard for client-server communication between software components in different languages for different OS running on different architectures?

Because it's an instance of what you describe, and because it provides about a million facilities that you would otherwise have to code yourself every time you required them.