A method, system, and program product for transparently shifting between using a virtual service layer performing active-active replication which presents the volume of the first site and the volume of the second site as a single volume and a second replication technique for replicating the volume of the first site and the volume of the second site without use of the VSL. A coupling is postured at the inlet port for receiving fluid from a fluid source such as prelubrication pump. The wing-shaped body includes one or more buoyancy elements to render it slightly positively buoyant, and the length of at least one of the connecting elements is adjustable by remote contol in order to tilt the wing-shaped body. An apparatus for establishing and maintaining a connection by a client to a server within a network is also provided.