[no subject]

["Nicolas Chiappero" <Nicolas.Chiappero@xxxxxxxxx>]

Hello all,

I've been using this simple LVS-DR setup for nearly 4 years
without encountering any problems :
                       _________
                      |         |
                      | Client  |
                      |_________|
                           |
                        (router)
                      _____|_____ 
                     |           |
                     | FireWall  |
                     |___________|
                           |
                      _____|_____ 
                     |           |
                     | DirectoR  |
                     |___________|
                           |
          +----------------+----------------+
   _______|_____     ______|______    ______|______
  |             |   |             |  |             |
  | RealServer  |   | RealServer  |  | RealServer  |
  |_____________|   |_____________|  |_____________|

Director has one fast ethernet NIC handling around 4000 packets/s
according to ipvsadm --rate output.

I've recently set up this new architecture to provide failover
                        ________
                       |        |
                       | Client |
                       |________|
                           |
                        (router)
             ____________  |  ____________
            |   Master   | | |   Slave    |
            |  DirectoR  |-+-|  DirectoR  |
            |(firewalled)| | |(firewalled)|
            |____________| | |____________|
                           |
          +----------------+----------------+
   _______|_____     ______|______    ______|______
  |             |   |             |  |             |
  | RealServer  |   | RealServer  |  | RealServer  |
  |_____________|   |_____________|  |_____________|