Advances, Systems and Applications
From: Energy-aware adaptive offloading of soft real-time jobs in mobile edge clouds
State variables per host h | Unit | |
---|---|---|
n | number of jobs at h | - |
\(\hat {T}_{\mathrm {C}}\) | computational time of a job | s |
BU | bandwidth for uploading data (to h) | B / s |
BD | bandwidth for downloading data (from h) | B / s |
PC | power consumption during job computation | W |
PD | power consumption during data download | W |
PU | power consumption during data upload | W |
Time estimates per host h | Unit | |
TC(h) | \(\hat {T}_{\mathrm {C}}(h) \times \left (n(h) + 1\right) \) | s |
TI(h) | BU(h)×|j|I | s |
TO(h) | BD(h)×|j|O | s |
T(h) | TI(h)+TC(h)+TO(h) | s |
Energy estimates per host h | Unit | |
EC(h) | \(\hat {T}_{\mathrm {C}}(h) \times P_{C}(h)\) | W · s |
EI(h) | TI(h)×(PU(hL)+PD(h)) | W · s |
EO(h) | TO(h)×(PD(hL)+PU(h)) | W · s |
E(h) | EI(h)+EC(h)+EO(h) | W · s |