In one of many embodiments, an InfiniBand network architecture is provided where a router circuitry communicates data between a host and a target device where the router circuitry includes circuitry for generating an external queue pair (QP) for establishing communication between the router circuitry and the host through a reliable connection (RC) session. The router circuitry also includes circuitry for generating internal queue pairs where the internal queue pairs establishes communication between the router circuitry and a device controller, between the between the device controller and the target device, and between the router circuitry and the target device by using reliable connection (RC) sessions. The router circuitry also includes mapping circuitry capable of establishing data destinations in communications between the target and the host. The internal queue pairs are coupled with the external queue pair through the mapping circuitry.
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