An access node comprising at least one component configured to support forwarding of data packets to a user agent connected to a relay node, wherein the relay node is connected to the access node, and wherein the access node is a termination point for a first tunneling path from a core network. The web extends along the length of the outer bag and is secured to the outer bag only at the gas-tight seals. The modems may implement one or more of a group of X-DSL protocols including: G. The human, with myopia, hyperopia, or both, is able to perceive the images of the adjusted rendering without using the one or more corrective lenses.