The invention consists of a new registration and authentication protocol for between a Mobile Node and a Home Agent. In an exemplary method, rotted material is removed from the structural member to create a repair area. A rationalized value indicative of a direction of current flow through a branch is assigned to each branch of the plurality of branches. In the expanded state, the channels provide a fluid conduit along an area between the screen and the wall of the wellbore. While both the first and the second products are available for local delivery from the materials handling facility in the region, the first product is unavailable for delivery from the materials handling facility outside the region, but the second product is available for delivery from the materials handling facility outside the region.