 routes and security, 236 www.TechnicalPDF.com service components, 238 VPNs (Virtual Private Networks), 235 intranets, 317-318 Intrusion Detection and Intrusion Prevention Systems (IDPS), 301 Intrusion Detection Systems (IDS), 301 Invidi, 133 IOPS (input-output operations per second), 85 IoT (Internet of Things) applications, 362-363 drones, 364, 365-366 privacy issues, 364 security, 364 Iowa Wireless Services, 151 IP (Internet Protocol), 275. See also IP PBX (Private Branch Exchange); IP VPNs (Internet Protocol Virtual Private Networks); VoIP (Voice over Internet Protocol) addresses, 96. See also MPLS (Multi-Protocolo Label Switching) dynamic, 249 IPv4, 275, 296-297 IPv6, 275, 296-297 in Layer 3 switches, 71 static, 249 structure of, 294-297 IMS (IP Multimedia Subsystem), 347-348 IPsec (Internet Protocol Security), 241-242 IPv4, 275, 296-297 IPv6, 275, 296-297 telephony advantages of, 100-101 DID (Direct Inward Dialing), 106 media gateways, 104-105 power sources, 105 www.TechnicalPDF.com protocols, 118-120 security, 101-102 SIP (Session Initiation Protocol), 105-106 voice QoS (quality of service), 101-102, 119 IP Core (LTE), 343-344 IP PBX (Private Branch Exchange), 99 advantages of, 100 architecture of, 103-104 DID (Direct Inward Dialing), 106 hosted systems, 110-111 manufacturers, 100-101 IP VPNs (Internet Protocol Virtual Private Networks), 238-239 advantages and disadvantages, 239-240 security, 240-243 IPsec (Internet Protocol Security), 241-242 Ipswitch, 97 IRUs (Indefeasible Rights of Use), 209 iSCSI (Internet small computer system interface), 88 ISO (International Organization for Standardization), ISPs (Internet service providers). See carriers ITA travel service, 158, 278 ITU (International Telecommunications Union) DOCSIS standards, 213-215, 225 G.726 standard, 64 H.264 standard, 64 ITU-R, 330 PON standards, 206 Radiocommunications Sector, 330 Synchronous Ethernet, 188 WRU (World Radiocommunication Conferences), iTunes, 165 www.TechnicalPDF.com jacks, 234-235 Jet.com, 308-309 jitter, 102 Jobs, Steve, 1