1. A method executing in a virtual appliance in a first network, wherein the method comprises: receiving a plurality of system error log (SEL) data in real time from a remote second network indicating system events associated with corresponding resources in the second network; calculating a resource availability (RA) index indicative of availability of resources for workload deployment in the second network; and sending the RA index to a management application executing in the second network for appropriate management and allocation of resources in the second network.