The invention pertains to a thermoplastic VDF polymer composition comprising: at least one thermoplastic vinylidene fluoride polymer comprising at least 85% by moles of recurring units derived from VDF; and at least one ethylenechlorotrifluoroethylene polymer, wherein said ECTFE polymer possesses a melting point of less than 210\xb0 C. In one embodiment, the method includes the detection, in response to a load instruction, of a cache hitcache miss of data requested by the load instruction within a re-tiling cache. A discovering proxy might determine that it is a server-side proxy by receipt of a packet from server without a return proxy signal.