In general, in one aspect, the invention relates to a method for scaling an application. The method includes executing a first instance of the application on a first computer in a chassis, where the first instance of the application is associated with a first VNIC and a second VNIC executing on the first computer. The method further includes loading a second instance of the application on a second computer in the chassis, where the second instance of the application is associated with a third VNIC and a fourth VNIC executing on the second computer. The method further includes re-programming a network express manager in the chassis to direct a portion of network traffic directed to the first VNIC to the third VNIC and executing the second instance of the application after the re-programming.