Multiple Protocol Label Switching (MPLS), 14, 32, 252, 265 enterprise CPE, 16-17 core router technology evolution, 286 environment, 264 distributed traffic engineering, 282-283 georedundancy, 72-75 evolution of, 277 impact of planned downtime, 72-75 FRR and hitless rearrangements, 280-282 infrastructure, 68 IP CBB, 276-277 layers of network cloud, 68 MPLS-based packet layer, 266 legacy and SDN/NFV networks coexisting in MPLS-based VPN service, 34 harmony, 348-349 MPLS transport, 277-280 migrating to, 347 packet layer, 276 MLs for closed-loop automation, 160-161 route reflection, 286-287 MS design paradigm, 156-157 segment routing, 283-286 network access, 17 services, 5 network cloud infrastructure availability, 69-72 virtual private network service, 22 network core, 18-19 Multiplexing, 268 network data and measurements, 22-23 Multiprocessing, 28 network edge, 17-18 Multiprotocol Border Gateway Protocol (MP-BGP), 6 network fabric, 253-256 Multisite design, stateless network function with, 82-83 network operations, 23-24 Multistep control loop policy, 344 network security, 15-16 Multitasking, 28 NFV, 13 Multi tenancy, 39-40 NFVI, 13-14 Multithreading, 28 ONAP, 15 policies, 115 rolling out network cloud technologies, 348 SDN, 14 NAS, see Network attached storage service platforms, 19-22 NAT, see Network address translation shared infrastructure, 185 "National Subscriber Provisioning Distribution" model, 315 site, 80 Native measurement functions, 369 transformation to network cloud, 12 NB FW, see Northbound FW transforming ALL-IP network to, 12 NBI, see Northbound interface VF classification and examples, 79-83, 84 NC, see Network controller VF software design, 75-79 NCP, see Network control point Network cloud infrastructure availability Near-real time, 47 to cost tradeoff, 71-72 NEL, see Network element layer single-site availability, 69-71 Index Network Configuration (NETCONF), 36, 233, 241 decomposition of VNFs, 32-40 Network controller (NC), 88, 99-100, 240 design enhancements, 173-174 abstraction modeling, 94-9