Compositions, and methods of use thereof, for use as blood substitute products comprise aqueous mixtures of oxygen-carrying and non-oxygen carrying plasma expanders and methods for the use thereof. The composition virtually eliminates the risk of application of the wrong foundation color, and provides enhanced color and textural effects, and superior optical performance. The first access point then receives an inter-proxy reply message from a second one of the additional access points, the inter-proxy reply message including the IP configuration information, thereby enabling the first access point to send a registration request on behalf of the node using the IP configuration information.