A communications system and method for transmitting data to a mobile platform is provided. The communications system comprises a forward link assignment manager in communication with a route server and a router, wherein the router selects from paths of forward link equipment chains to transmit data to the mobile platform. Generally, the forward link assignment manager assigns a cost to the path of each chain such that the more available the chain, the lower its cost, and the router always selects the lowest cost path. If a chain of forward link equipment fails, the forward link assignment manager increases its cost above that of a spare chain, which results in the router selecting the spare chain. Further systems are provided that inform the forward link assignment manager of a failed chain of forward link equipment, in addition to systems that remove a failed chain from the network topology.
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