cial off-the-shelf; Common off the shelf virtualized network cloud vision, 119 CPE, see Customer premises equipment Data leak protection (DLP), 173 CPM server, see Converged IP messaging server Data plane development kit (DPDK), 35, 63, 208, 296 CPRI, see Common Public Radio Interface DPDK-enabled virtual switch approach, 211 CPU, see Central processing unit DBaaS, see Database as a service CPU pinning, see Processor affinity DBE, see Data border element CPUs, see Computer processing units DCAE, see Data collection, analytics and events cRAN architecture, see Centralized RAN architecture DCO, see Digital coherent optics Critical machine type communication (Critical MTC), DCP, see Distributed control plane 244-245 DCs, see Data centers C-RAN, see Cloud Radio Access Network DDoS, see Distributed Denial of Service CRM, see Customer relationship management Decomposing network functions, 300, 302 CSCF, see Call session control function Decomposition of functions, 314 CSPF routing, see Constrained shortest path first routing Decoupling CSR, see Cisco Cloud Server Router control plane, 35 CS releases, see Circuit-switched releases data plane, 33-35 CTSS, see Compatible time-sharing system of long-lived state, 314 CUGs, see Closed user groups management plane, 35-37 Customer service and network path measurements, 368-370 experience improvement, 160 of subscriber data, 314 premise-based small cells, 253 virtual functions, 32 Customer configurable policy for content filtering smart Deep learning, 148, 150-151 network, 163 and SDN, 161-162 Index Deep packet inspection (DPI), 34, 210, 217 Domain Name Service (DNS), 29, 79, 82, 140, 177, 302, 312 Default gateway IP routing, 260 Domino language, 263 Defect rate, 380 DOS, see Denial of service Defects per millions (DPMs), 69, 380 DOWNSTREAM automation, 189 Defense in depth DPDK, see Data plane development kit architecture, 173, 174 DPI, see Deep packet inspection ASTRA, 196-198 DPMs, see Defects per millions Denial of service (DOS), 252 DPU, see Distribution point unit Dense me