A method, a system, and a computer program product for data routing in communications systems. A data packet is received and an internet protocol (IP) address of the data packet is determined based on the source of the data packet. A forwarding route for transmission of the data packet is determined. The forwarding route is selected from a specific IP route for a content offload network interface or a default route for a mobile network operator packet data network gateway. The data packet is transmitted based on the determined forwarding route.

A roof mounting system for the attachment of an article to a roof, the system comprising a plurality of PV modules each having at least one corner and a frame member, a flashing member having a top surface; an upstanding sleeve attached to the top surface of the flashing member; an elevated water seal having a borehole formed therethrough, the elevated water seal further comprising at least one screw for providing a waterproof seal between the article and the roof structure; and whereby the plurality of PV modules are interlocked in a way to provide a corner-to-corner coupling arrangement supported above the roof through the frame members of the plurality of PV modules.