Converged Voice, Video and Data Wired-Wireless LANs Testbed

We have developed and implemented novel solutions that provide Quality of Service (QoS) support for voice, video and data applications in wired and wireless LANs that can also follow standards such as Ethernet IEEE 802.3 or wireless IEEE 802.11. Since our solutions can transform existing legacy LANs to an environment that provides the bandwidth, time-delay and other requirements needed to provide users satisfactory quality, the LAN users can achieve signi cant productivity increase and cost savings. The limited bandwidth wireless segments are particularly important since wireless devices, such as cordless IP telephones, will be part of future networks. Our solutions can also manage the often limited bandwidth pipeline that connects the LAN to the backbone network or internet service provider. In this paper we report initial successful results of our solutions on a Windows based testbed consisting of wired and wireless LAN segments. Our testbed that incorporates a novel software framework provides a research and development platform for implementing , debugging and testing various MAC policies and their QoS provision for multimedia applications in wired and wireless LANs. The developed testbed is built using Windows operating system, o the-shelf wired and wireless network interface cards, and standard applications. The testbed we introduce in this paper is the rst phase in the ongoing process of having a testbed comprised of a number of wired and wireless segments interconnected through routers, switches, bridges, and T1 lines which provide the interconnection to the Internet.