| Publisher | Portland State University | ||
|---|---|---|---|
| Format | 252.5KB PDF | Date added | 12 Mar 2002 |
| Topics | TCP - IP, Mobile - Wireless Communications | ||
| Downloads | 13 | ||
This paper compares the energy consumption behavior of three versions of TCP - Reno, Newreno, and SACK. The experiments were performed on a wireless testbed where the energy consumed is measured at the sender node. The results indicate that, in most cases, using total energy consumed as the metric, SACK outperforms Newreno and Reno while Newreno performs better than Reno. The experiments emulated a large set of network conditions including variable round trip times, random loss, bursty loss, and packet reordering. The paper also estimated the idealized energy for each of the three implementations (i.e., the energy consumed is subtracted when the sender is idle) and here, surprisingly, the authors found that in many instances SACK performs poorly compared to the other two implementations.
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