, 372 217, 355 SDN-like networks, 6 Simplification, 255 SDN/NFV implementation, 312-314 Single-site availability, 69-71 security advantages, 173 Single network function, 205 service and network measurements, 368 Single root I/O virtualization (SRIOV), 34, 63, 208 service creation, 306 Single tenancy, 39-40 service design, 298, 307 SIP, see Session Initiation Protocol service measurements, 365 16 Port OLT Pizza Box, 235 snapshots, 309-310 SKU, see Stock keeping unit techniques, 208, 241-242 SLAs, see Service-level agreements testing cycle time reduction, 308 SLI, see Service logic interpreter testing methodology, 307 SLO, see Service level objective testing vision, 308 Small cells, 247 use-case examples of SDN control, 100-101 Smaller failure domains, 315 utilizing SDN to minimize robocalling, 167 Small form-factor (SFP), 235 virtual service framework, 298-305 SMS, see Short messaging services YANG network model example, 97-99 SNMP, see Simple Network Management Protocol YANG service model example, 96-97 SNS layer, see Shared network services layer Software, 13 SOA, see Service-oriented architecture costs, 45 SOC, see System on a chip fault detection, VF, 77-78 Software-centric resiliency engineering, 78-79 model approach, 203 software-based services maturity curve, 75 network, 4 in telecom, 5 Software-defined controllers, 116-117 validation, 94 application controller orchestration, 117 VF software stability, 78 Index Software as a service (SaaS), 396 Synthetic measurement functions, see Inorganic Software defined-WAN (SD-WAN), 264 measurement functions Software defined network infrastructure (SDNI), 237, 240 System Architecture Evolution Gateway (SAEGW), 319 Software-defined service framework (SDSF), 299 System on a chip (SOC), 225, 255 decomposing network functions, 300 SOC-integrated circuits, 234 IaaS, 303-304 NPaaS, 302-303 SNS, 302 VNFaaS, 301-302 TCO, see Total cost of ownership Software development kits (SDKs), 106 TCP, see Transmission control protocol Software development lifecycle (SDLC), 188 TDD, see T