A method and an apparatus are disclosed that enable call admission control for telecommunications terminals that use shared-access resources, without relying on an implementation at every access point to provide those resources. In one embodiment, the lipid bilayer can be fused to the porous particle core to form a protocell. The server computer determines whether the client computer is able to generate graphics using the higher-level graphics commands or generates graphics using relatively lower-level graphics commands. In step one, the changer engages with the first module and drives the first module. The session-level cache is a single level cache in which information for target resources of resolved path expressions may be tracked. The neural network is used to rescale the input data.