P_reuse x N_future x C_avoided - C_provision - C_maintain, each cost weighed in bytes. A positive number means fetching it ahead moves fewer bytes and requests than leaving it to the network.
P_reuse x N_future x C_avoided - C_provision - C_maintain
P_reuse x N_future x C_avoided - C_provision - C_maintain, each cost weighed in bytes. A positive number means fetching it ahead moves fewer bytes and requests than leaving it to the network.