[ossec-list] where is hybrid mode ?

[peng lin]

how to install with hybrid mode  ?
is that use this ? to layer Deploy?
                            server
                               |
                               |
     ---  hybrid----------------hybrid--------
    |          |                                 |         |
  agent   agent                     agent   agent...
if this ,
1 how to config hybrid 's ossec.conf  and agent's ?
2 who Collect agent's alerts?  hybrid or server ?
3 if hybrid collect agent's alerts , how to send them to server , can 
hybrid auto Forwarding the messages?
4 have some docs to introduce it ?