A system and method for providing improved broadband wireless gateway reliability. According to various embodiments of the present invention, a single monolithic gateway application is replaced with multiple instances. In this arrangement, each instance represents the entire gateway functionality. Because different instances are processing different packets with different timing, different database sizes, different mobility behavior, etc., the probability that a software failure will occur at the same time in multiple instances is low. Therefore, any software failure, occurring at any given point of time, will affect only a single instance of the gateway application.