reless network. © 2009 by Taylor & Francis Group, LLC SIP Handbook: Services, Technologies, and Security of intranets with commercially available products: (1) wired intranet with a Cisco 2950 IEEE 802.3 Fast/Gigabit Ethernet switch, (2) wireless intranet with a Cisco Aironet 1242 AG IEEE 802.11e Wireless LAN access point and a Cisco Aironet 802.11a/b/g PI21AG network interface card (NIC). The back- bone core network is configured by IP/MPLS network with Cisco 7204 and 6505 IP/MPLS routers. According to the request of a TE-LSP establishment from the Q-SIP/SDP proxy server and the WBEM-based NMS for the transit network, a bidirec- tional TE-LSP between the boundary edge Label Edge Routers (LERs) in the IP/MPLS backbone network is established using the RSVP-TE signaling of Cisco IP/MPLS routers. The scheduling of TE-LSP (e.g., bandwidth, class- type) is controlled by the NMS with a traffic engineering function. As we explained in Section 15.3, the QoS-connectivity establishments in intranets are controlled and managed by the Q-CNM of each intranet. For performance analysis of the end-to-end QoS provisioning for real-time multimedia services, two kinds of end-to-end video telephony service sessions are configured: (1) a QoS-guaranteed video telephony session, and (2) a best- effort video telephony session. For the QoS-guaranteed video telephony ses- sion, an EDCA AC_VI is used in the IEEE 802.11e WLAN, a strict-priority queue is used in the Fast/Gigabit Ethernet switch port, and a TE-LSP is con- figured in the IP/MPLS transit network. For the best-effort video telephony session, an EDCA BE is used in IEEE 802.11e WLAN, a WRED queue is used in the Fast/Gigabit Ethernet switch port, and a best effort LSP is configured in the IP/MPLS transit network. 15.4.2 Operations of Q-SIP/SDP and Q-CNM for End-to-End QoS-Guaranteed Service Provisioning 15.4.2.1 Connectivity Establishment for QoS Provisioning at Fast/Gigabit Ethernet In order to provide QoS-guaranteed multimedia service in the Fast/Gigabit Ethernet subnetwork, the 