Patent ID: 8849938
Filing Date: 2014-09-30
Classification: G06F,H04L

Abstract:
1. A method for providing a virtual service in a virtual application distribution chassis, the method comprising: providing a plurality of blades in a virtual application distribution chassis, each of the plurality of blades being coupled to a network switch, wherein a service request by a host for a virtual service is directed by the network switch to a first blade of the plurality of blades, wherein: detecting, by the second blade, a failure of the first blade as the active blade for the virtual service; in response to detecting the failure of the first blade as the active blade for the virtual service, informing the network switch, by the second blade, to send future service requests for the virtual service to the second blade; detecting, by the second blade, a failure of the first blade as the master blade of the plurality of blades; and in response to detecting the failure of the first blade as the master blade of the plurality of blades, participating, by the second blade, in electing a new master blade from the plurality of blades, the participating in electing comprising, in response to detecting the failure of the first blade as the master blade of the plurality of blades,