Mở vấn đề: làm thế nào để các mô hình năng lượng tác động đến việc thực hiện các giao thức TC Nhiều việc cần phải được thực hiện để điều tra ảnh hưởng của di động trên TC: Phân tích chính xác hơn với di động | 5th ACM MobiHoc - Tokyo May 24 2004 CLUSTERPOW implementation CLUSTERPOW has been implemented in the Linux kernel on laptops using CISCO Aironet 350 cards Several routing daemons one for each power level are started on preassigned ports From the routing tables at all the power levels the composition of the kernel routing table is done by the CLUSTERPOW agent running in user space The efficacy of CLUSTERPOW has been tested on the field using 5 laptops Source code is available at http kawadia Istituto di ịỊỊ Informatica Level-based TC 5 16 e Telematica 5th ACM MobiHoc - Tokyo May 24 2004 Technological problems The authors of KawadiaKumar03 experienced several problems in implementing CLUSTERPOW The firmware of the CISCO cards forces a card reset every time the transmit power is changed. Then - The power change latency is very large about 100ms - Changing the transmit power consumes a lot of energy Furthermore frequent power changes are very likely to crash the wireless card As a consequence any experimentation of CLUSTERPOW with a significant amount of traffic was impossible Is per-packet topology control feasible With current technology NO Istituto di ịỊỊ Informatica Level-based TC 6 16 e Telematica 5th ACM MobiHoc - Tokyo May 24 2004 A CLUSTERPOW inefficiency 22 100mW cluster 1mW cluster 10mW cluster Remark the energy-efficiency of CLUSTERPOW can be improved. For instance node u might have reached n1 using two shorter hops with an overall power consumption of 11mW instead of 100mW Level-based TC 7 16 Istituto di Informatica e .
