Patent ID: 8116207
Filing Date: 2012-02-14
Classification: H04L

Abstract:
1. A method for determining service availability using a plurality of weighted monitoring agents, the method comprising: (a) establishing, by a first appliance intermediary to one or more servers and a plurality of clients, a plurality of agents, each agent of the plurality of agents established to monitor availability of a corresponding protocol of a service, each agent having an assigned weight; (b) monitoring, by each agent of the plurality of agents executing on the first appliance, the service executing on the one or more servers, responses from the service to requests of a protocol specific to each agent; (c) computing, by the first appliance, a sum of the assigned weights of the agents reporting the service as currently operational; (d) determining, by the first appliance, the sum falls below a given threshold; (e) transmitting, by the first appliance, an indication that the service is unusable to a second appliance; and (f) changing, by the second appliance, a number of requests for the service from the plurality of clients to forward to the first appliance based on the indication.