42-44 VNF forwarding graph (VNF-FG), 37 VNF measurements for optimal placement and sizing, VNFs as a service (VNFaaS), 301-302 384-385 vNICs, see Virtual NICs zones of advantage, 46 Voice over Internet Protocol (VoIP), 67 Virtualized service platform use cases, 310 Voice over LTE (VoLTE), 293 BVoIP services, 324-326 AS, 311 evolving packet core, 318-324 VoIP, see Voice over Internet Protocol IMS service platform, 310-318 VoLTE, see Voice over LTE Virtualized solution, 313 vOLTs, see Virtual OLTs Virtualizing EPC, advantages of, 318-319 Volume, Velocity, Variety, Variability, Validity/ Virtual LAN (VLAN), 17, 26 veracity, Visibility/visualization, Value Ethernet virtual networks using, 27 (7Vs), 140-141 Virtual LCP (vLCP), 60 vPE, see Virtual provider edge Virtual logical platform architecture and design, 319 VPLS, see Virtual private local area network service home subscriber server VNF components, 321 VPN, see Virtual private network HTTP-proxy VNF components, 321-322 VPN-SC, see VPN service controller mobility management entity VNF components, VPN service controller (VPN-SC), 100 320-321 vProbe, see Virtual probe policy control VNF components, 320 VPWS, see Virtual private wire service S-GW and P-GW VNF components, 319-320 VR, see Virtual reality; Virtual router user data repository VNF components, 321 VRF, see Virtual route forwarding Virtual machine (VM), 28, 50, 56, 68, 105, 175, 206, 296, VRID information, see Virtual resource identifier and access information nonisolation, 199 vS, see Virtual switch Virtual network function (VNF), 249 vSwitch in hypervisor, 296 virtual network-function-centric architecture, 299 vTaps as service, 303 Index PON technology, 229-232 SDN access controllers, 240 WAN, see Wide area network wireline access hardware, 233-234 WANx, 219, 220 wireline access software, 237-238 Warm VM replication, 77 Wireline broadband access networks, 225 Wave division multiplexing (WDM), 354 Workflow, see Method of procedure (MOP) Wavelength(s), 269, 272 World Economic Forum, 401 add/drop, 270 circui