rking technologies. Figure 15.13 shows two examples of captured images in the experiment: QoS-guaranteed and best-effort video conferences. C 2009 by Taylor & Francis Group, LLC SIP Handbook: Services, Technologies, and Security Capture Descriptions Descriptions 10.100 10 8 10.100.10.0 99995 Video Source Format Video Source Format Frame Rate Frame Rate 10 Mg Target Rate Target 5it Rate Packetization Type (packet Packetization Type : Measurement Measurement Less rate Play time 450 sec current packet loss rate current packet loss rate 2153% accumulated packst accumulated packst less 1411 (a) QoS-guaranteed (b) Best effort FIGURE 15.13 Capture images of a video conference. 15.5 Conclusions In this chapter, we proposed a Q-SIP/SDP for establishment of a QoS-guaran- teed end-to-end session, and Q-CNM for resource allocation with CAC in Fast/ Gigabit Ethernet and IEEE 802.11e WLAN subnetworks. Based on the pro- posed session and connection management architecture, the QoS-guaranteed real-time multimedia service provisioning is possible in a converged hetero- geneous network environment where various contention-based intranets with IEEE 802.11e WLAN and Fast/Gigabit Ethernet are attached to the IP/ (T-)MPLS based connection-oriented transit networks. Detailed interaction scenarios among Q-SIP/SDP, intranet Q-CNM, IEEE 802.11 WLAN AP, and Fast/Gigabit Ethernet switch have been proposed. Based on a small-scale BcN testbed network, the performances of the QoS provisioning for real-time video conference have been analyzed at the IEEE 802.11e-based WLAN intranet, Fast/Gigabit Ethernet-based intranet, and IP/MPLS transit network. Also, the end-to-end QoS-performance has been analyzed. We performed a series of experiments to analyze the performance of QoS provisioning in wired and wireless intranet subnetwork, access loop, and IP/ MPLS-based transit network. The QoS-guaranteed service provisioning in IP/MPLS transit network is relatively easy to configure, since the transit net- works are mostly well-equipped with network-laye