A method for selecting an IP address for an application used in a network environment may include receiving data of a network’s capabilities, receiving data of a subscriber’s applications, and receiving data of a subscriber’s needs. The invention also provides expression vectors and host cells comprising a nucleic acid sequence encoding EGVI, recombinant EGVI proteins and methods for producing the same. The tube pairs are tapered at both ends such that when they are juxtaposed and deflated they approximately follow the surface of the diastolic myocardium.