The Wireless Mesh Network (WMN) is emerging as one of the IEEE 802.11 networks family��s key technology for next generation networks. The reason is its features, like providing broadband access with low cost and applicability to versatile areas with reduced dependency on wired communication. WMN��s use gateways for transferring data to and from the client nodes to the backbone for Internet access in multiple hops. The client nodes may be wired or wireless, mobile or stationary. In any case, Gateway has fixed bandwidth to be shared by all the clients for communication. With increased number of clients there is a considerable reduction in the efficiency of the per client communication. Associating clients to gateway is a crucial decision for performance improvement as is gateway placement, routing and scheduling. The default way of associating nodes to a single nearest gateway causes non-reliability in communication and also unfairness amongst the nodes. Clients can be associated to multiple gateways. Having choice of using multiple gateways for communication in WMN can improve performance.