[Xpert]Remote broadcast, possible?

[res0i1oz]

My friends, I am curious to ask you: whether it is possible to find a solution of the problem in Xwindow. The probelm is: I run an application (for Xwindow) in local (machine A), meanwhile, I like to export (broadcast)  the same result to a remote machine B. Here, of course, A and B are connected, i.e., B can login to A, run program remotely, or verse via. I have tried VNC and x2x, it seems not worked very well. I am looking for a solution in Xwindow. Any suggestions are appreciated. Bao