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| Content Provider | ACM Digital Library |
|---|---|
| Author | Wu, Jianping Li, Qi Yang, Yuan Xu, Mingwei Cui, Yong Gao, Lixin |
| Copyright Year | 2015 |
| Abstract | The Internet is generally not energy-efficient since all network devices are running all the time and only a small fraction of consumed power is actually related to traffic forwarding. Existing studies try to detour around links and nodes during traffic forwarding to save powers for energy-efficient routing. However, energy-efficient routing in traditional IP networks is not well addressed. The most challenges within an energy-efficient routing scheme in IP networks lie in safety and practicality. The scheme should ensure routing stability and loop-and congestion-free packet forwarding, while not requiring modifications in the traditional IP forwarding diagram and shortest-path routing protocols. In this paper, we propose a novel energy-efficient routing approach called safe and practical energy-efficient detour routing (SPEED) for power savings in IP networks. We provide theoretical insight into energy-efficient routing and prove that determining if energy-efficient routing exists is NP-complete. We develop a heuristic in SPEED to maximize pruned links in computing energy-efficient routings. Extensive experimental results show that SPEED significantly saves power consumptions without incurring network congestions using real network topologies and traffic matrices. |
| Starting Page | 1925 |
| Ending Page | 1937 |
| Page Count | 13 |
| File Format | |
| ISSN | 10636692 |
| DOI | 10.1109/TNET.2013.2288790 |
| Volume Number | 22 |
| Issue Number | 6 |
| Journal | IEEE/ACM Transactions on Networking (TON) |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2014-12-01 |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Energy efficiency Intrarouting routing Routing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications |
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