3. Latency
• Latency matters:
• Amazon: every 100ms, 1% drop revenue
• Yahoo: 500ms latency increase, 30% drop in traffic
• Gaming: 5ms ok vs 80ms - degradation in user experience
• …
Christof Fetzer, Systems Engineering Group, TU Dresden
18. Transportation
• Offloading computations to edge cloud:
• Recognize traffic signs (safety critical)
• Recognize pedestrians & danger (safety critical)
• Platooning of cars (safety critical)
• Reduction in Energy Consumption of electric cars
• …
Christof Fetzer, Systems Engineering Group, TU Dresden
19. Lifetime?
Life Expectation:
servers: 3 yrs (data centers)
car: 18 yrs ;
truck: 24 yrs
motorcycle: 28 yrs
Christof Fetzer, Systems Engineering Group, TU Dresden
20. Lifetime!
Christof Fetzer, Systems Engineering Group, TU Dresden
• Problem:
• how can we run new / updated
services on old computer hardware?
• Approach:
• offload some / service to edge cloud