• Journal of Internet Computing and Services
    ISSN 2287 - 1136(Online) / ISSN 1598 - 0170 (Print)
    http://jics.or.kr/

AP-Initiated Flow Redirection Mechanism for AP Load Balancing in WLAN Environments


Mi-Hui Kim, Ki-Joon Chae, Journal of Internet Computing and Services, Vol. 10, No. 2, pp. 65-74, Apr. 2009
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Keywords: AP Load Balancing, WLAN, Flow Redirection

Abstract

IEEE802.11 Wireless LAN(WLAN) is being widely used in public space such as airport, and increases the networking boundary in campus and enterprise, and it has lastly attracted considerable attention for mesh network and converged network with other 3G mobile communication networks. In WLAN, load balancing among Access Points(AP) is an important issue for efficient resource management or supporting the Quality of Service(QoS) of traffic, but most researches focused on the AP selection in network entry or roaming of Stations(STA). In this paper, we propose an AP-Initiated Flow Redirection(FR) for AP load balancing by monitoring AP's availability in the true sense. When the AP's resource becomes almost saturated, that is used more than a specific threshold, the AP queries the roaming possible neighbor APs about their availability and calculates the distribution of traffic load with statistical methods such as entropy or chi-square. Finally, the AP decides flows and new APs for redirection and performs it. Our simulation results show that our FR mechanism increases the performance in the various views.


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Cite this article
[APA Style]
Mi-Hui Kim and Ki-Joon Chae (2009). AP-Initiated Flow Redirection Mechanism for AP Load Balancing in WLAN Environments. Journal of Internet Computing and Services, 10(2), 65-74.

[IEEE Style]
M. Kim and K. Chae, "AP-Initiated Flow Redirection Mechanism for AP Load Balancing in WLAN Environments," Journal of Internet Computing and Services, vol. 10, no. 2, pp. 65-74, 2009.

[ACM Style]
Mi-Hui Kim and Ki-Joon Chae. 2009. AP-Initiated Flow Redirection Mechanism for AP Load Balancing in WLAN Environments. Journal of Internet Computing and Services, 10, 2, (2009), 65-74.