Mobility Investigate

Unwanted Link Layer Traffic in Large IEEE 802.11 Wireless Networks

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Executive Summary

Wireless networks have evolved into an important technology for connecting users to the Internet. As the utility of wireless technology grows, wireless networks are being deployed in more widely varying conditions. The monitoring of wireless networks continues to reveal key implementation deficiencies that need to be corrected in order to improve protocol operation and end-to-end network performance. In wireless networks, where the medium is shared, unwanted traffic can pose significant overhead and lead to suboptimal network performance. Much of the previous analyses of unwanted traffic in wireless networks have focused on malicious traffic. However, another major contributor of unwanted traffic is incorrect link layer behavior.

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