NAK (negative acknowledgments), 210–214, 448
NAT. See network address translation; network address translator
National Physical Laboratory, 60
NAT translation table, 346
NAT traversal, 347
NCP. See network-control protocol
NCS. See network control server
negative acknowledgments, 210
neighbor, 377
neighboring peers, 145–146
Nelson, Ted, 63
Netflix, 147, 675, 679
netnews, 673
Netscape Communications, 63–64, 184, 631
network adapters, 443, 444
ARP query and, 472
CSMA/CD operation and, 462–463
datagram transmission and, 471, 473–474
802.11, 533, 537
error detection in, 448
Ethernet frames and, 476–478
jabbering, 484
LAN-on-motherboard configuration, 443
layer independence and, 470
MAC address assignment, 468–470
MAC addresses, 468–470
on separate cards, 443
network address translation (NAT), 345–347, 354
Skype traversal of, 697–699
network address translator (NAT), 318
network applications, 83
architectures, 86–88
communication for, 85
principles of, 84–97
proprietary, 158
service requirements, 93
standards-based, 158
transport services available to, 90–93
network-assisted congestion control, 268, 269
network control functions, in SDN, 408
network-control protocol (NCP), 60, 62
network control server (NCS), 413
network core, 21–22
circuit switching, 27–31
4G networks, 557–559
network of networks, 31–34
packet switching, 22–26, 30–31
3G networks, 556
network dimensioning, 709, 711–712
network functions virtualization (NFV), 416
Network Information Base (NIB), 413
network infrastructure, wireless networks and, 522–525
network interface card (NIC), 443
network layer, 51. See also control plane; data plane
best-effort service, 312
forwarding and routing, 306–311
security, 312, 637–645
services, 311–312
transport layer relationship to, 188–191
network-layer datagram, 54
network management, 421–426
defining, 421
framework for, 422–423
intruder interference with, 596
link-layer switching and, 484
network management agent, 422–423
network management protocol, 423
network of networks, 31–34, 62
network operations center (NOC), 422
network protocols, 8–9
networks. See also access networks; cellular networks; Internet; local area network; wireless networks
ad hoc, 534
attacks against, 55–59
CDNs, 114, 149–157
cellular, 18, 523, 528, 551–560, 574–582
content provider, 34
data center, 495–500
edges, 9–11, 564
foreign, 562–564
home, 562, 575
home PMLN, 575
mobile ad hoc, 524–525, 562
multimedia application support, 709–726
multimedia support, 709–726
packet-radio, 61
packet-satellite, 60
personal area, 548–551
PMLN, 575
private, 34, 65, 345, 375, 638
programmable, 408
proliferation of, 62–63
proprietary, 60–62
provider, 404
radio access, 556–557, 559–560
telephone, 491
throughput in, 43–46
topology of switched, 486
virtual-circuit, 492
visited, 562, 575
VLANs, 487–491, 497, 548
VPNs, 494, 548, 637–639
wireless mesh, 524
WPANs, 549–550
network security, 594–596
network-service applications, 416
network service model, 311–312
NeVoT, 736
NEXT-HOP, 399–400, 401
NFV. See network functions virtualization
NIB. See Network Information Base
NIC. See network interface card
NIST, 352, 602
nmap, 198, 261
NOC. See network operations center
nodal delay, 36
nodal processing delay, 35
nodes, 440
nomadic computing, 80
non-blocking switches, 320
nonce, 625, 648
non-persistent connections, 100–103
non-preemptive priority queuing, 327
Novell IPX, 386
NOX controller, 412, 416
NSFNET, 62, 63
nslookup program, 138
NS records, 136
NTT, 5