I suggest you use the contact us http://fusesource.com/contact form and get it touch with a representative from us, to discuss further.
Its hard to give recommendations without knowing more about your environment and so forth, in a public forum.
I just need a recommended or functional hardware and communications architecture model (if possible some specifications) for getting high availability (about 99%). If you can recommend me something, or give me some links, it'll be helpful fot me...
You can take a look at the supported platforms page
And you can check the clustering guide of the Message Broker. For example for HA with a shared file system, you can read some pointers here