Cover image for Next-generation network services
Title:
Next-generation network services
Personal Author:
Series:
Networking technology series
Publication Information:
Indianapolis, IN : Cisco Press, 2006
ISBN:
9781587051593

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30000010105338 TK5105.5 W664 2006 Open Access Book Book
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Summary

Summary

A guide to building service-oriented networks to differentiate and grow your business Understand the changing landscape of the telecommunications industry and what technologies can lead to business and revenue growth Examine the rise of IP in LAN, WAN, wireless, and global networking applications Learn about the multiservice network architecture, including next-generation ATM, IP/MPLS, MSPP, and MSSP platforms Discover the strategic advantage offered by VPN technologies, including IPsec VPNs, SSL VPNs, wireless VPNs, site-to-site VPNs, Layer 3 and Layer 2 MPLS VPNs, VPLS, multicast VPNs, and multiservice VPNs Get introduced to optical technology components and optical features including SONET/SDH, RPR, DWDM, CWDM, optical Ethernet, and IP over optical Evaluate metropolitan and long-haul optical networks to accommodate rising broadband demands Learn the fundamentals of wireline networks, including narrowband, ISDN, Frame Relay, Digital Loop Carrier, Broadband xDSL, cable, and Ethernet in residential applications Unleash the power of mobility, cellular, and wireless LAN technologies A new era of network services has evolved to meet the needs of IP-centric networking requirements and customer opportunity. The emphasis is on service as IP has become a prolific communications portal through which to deliver interactive solutions that improve business execution, tie the individual consumer into commerce, and extend market reach by removing the last barriers of time and distance. "Next-Generation Network Services" presents an overview of converged IP network services, focusing on opportunities for service differentiation and introducing current service-oriented technology. These technologies allow service providers and large enterprises to build and operate networks that provide local, long-haul, mobile, and global data and Internet services to businesses and consumers. This book explores the service provider opportunity in the new era, discussing what has changed and why a service-centric focus is the new ascendancy. This book introduces an extensive portfolio of network technologies and explains the market advantages and the service value of each solution, including IP, multiservice, virtual private network (VPN), optical, wireline, and wireless networks. Whether you are a network architect or engineer driving service innovation within a service provider or enterprise network, or you are a network executive or technology analyst looking to gain a broad overview of the telecommunications sector, "Next-Generation Network Services" offers you insight into the evolving internetworking technologies that will shape the future of network growth.


Author Notes

Robert Wood has 25 years of experience with the design, engineering, marketing, and technology leverage of enterprise and service provider internetworks. As a senior network architect for TEKsystems, Robert provides design, engineering, and consulting services to BellSouth, Qwest, and EDS for a managed service provider MPLS network.


Table of Contents

Introductionp. xix
Chapter 1 Communicating in the New Erap. 3
New Era of Networkingp. 5
The Fences Are Downp. 8
Technological Winnersp. 11
IP Everywherep. 12
Optical Anywherep. 14
Wireless Through the Airp. 17
Building Blocks for Next-Generation Networksp. 20
IP Networksp. 21
Multiservice Networksp. 21
VPNsp. 22
Optical Networksp. 23
Wireline Networksp. 23
Wireless Networksp. 24
Using Next-Generation Network Servicesp. 25
Network Infrastructure Convergencep. 26
Services Convergencep. 28
From Technology Push to Service Pullp. 29
Chapter Summaryp. 30
End Notesp. 31
Resources Used in This Chapterp. 32
Chapter 2 IP Networksp. 35
IP Past, Present, and Futurep. 36
IP Influence and Confluencep. 36
IP Version 4p. 38
IP Version 6p. 40
IP Network Convergencep. 44
Local IP Networks: LANsp. 44
LAN Technologiesp. 46
Ethernet-From Zero to 10 Gigabits in 30 Yearsp. 48
IP Routingp. 50
LAN Switchingp. 55
Long IP Networks: WANsp. 62
WAN Bandwidthp. 63
Wide Area Changesp. 64
Wide Area Technologies and Topologiesp. 65
Mobile IP Networksp. 69
Wireless IP LANSp. 73
Mobility Networksp. 82
Global IP Networksp. 87
Global Capacityp. 88
Globally Resilient IPp. 89
The Internet-A Network of Networksp. 90
Beyond IPp. 92
Technology Brief-IP Networksp. 93
Technology Viewpointp. 93
Technology at a Glancep. 95
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 96
End Notesp. 100
References Used in This Chapterp. 101
Chapter 3 Multiservice Networksp. 103
The Origins of Multiservice ATMp. 104
Next-Generation Multiservice Networksp. 107
Next-Generation Multiservice ATM Switchingp. 108
Cisco Next-Generation Multiservice Switchesp. 110
Multiprotocol Label Switching Networksp. 114
Frame-Based MPLSp. 115
Cell-Based MPLSp. 118
MPLS Servicesp. 121
MPLS Benefits for Service Providersp. 123
MPLS Example Benefits for Large Enterprisesp. 124
Cisco Next-Generation Multiservice Routersp. 125
Cisco CRS-1 Carrier Routing Systemp. 126
Cisco IOS XR Softwarep. 132
Cisco XR 12000/12000 Series Routersp. 133
Multiservice Core and Edge Switchingp. 138
Multiservice Provisioning Platform (MSPP)p. 140
Cisco ONS 15454 E Series Ethernet Data Cardp. 142
Multiservice Switching Platforms (MSSP)p. 144
Technology Brief-Multiservice Networksp. 148
Technology Viewpointp. 148
Technology at a Glancep. 150
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 157
End Notesp. 158
References Used in This Chapterp. 158
Chapter 4 Virtual Private Networksp. 161
Frame Relay/ATM VPNs: Where We've Beenp. 161
IP VPNs: Where We're Goingp. 163
IP Security (IPSec)p. 165
IPSec Protocols for Data Integrityp. 166
IPSec Data-Forwarding Modesp. 168
Summarizing IPSec Technologiesp. 170
Access VPNsp. 171
IPSec VPNs for Remote Accessp. 172
Secure Socket Layer (SSL) VPN for Remote Accessp. 177
Wireless Remote-Access VPNsp. 179
MPLS VPNs for Remote Accessp. 182
Intranet VPNsp. 186
IPSec Site-to-Site VPNsp. 186
Additional Intranet IPSec VPN Designsp. 188
MPLS Layer 3 VPNsp. 190
MPLS Layer 2 VPNsp. 194
Layer 2 Tunneling Protocol version 3 (L2TPv3) VPNsp. 202
Multicast VPNs (MVPNs)p. 205
Extranet VPNsp. 211
Multiservice VPNs over IPSecp. 213
VPNs: Build or Buy?p. 216
Enterprise-Managed VPNsp. 216
Provider-Managed VPNsp. 217
Technology Brief-Virtual Private Networksp. 218
Techology Viewpointp. 218
Technology at a Glancep. 221
Business Drivers, Sucess Factors, Technology Application, and Service Value at a Glancep. 223
End Notesp. 224
References Used in This Chapterp. 224
Recommended Readingp. 225
Chapter 5 Optical Networking Technologiesp. 227
Light-Where Color Is Kingp. 227
Understanding Optical Componentsp. 228
Light and Lambdasp. 229
Electromagnetic Spectrump. 230
Light Emittersp. 232
Optical Fiberp. 233
Light Receiversp. 238
Understanding Optical Light Propagationp. 239
Optical Networks-Over the Rainbowp. 241
WDMp. 242
DWDMp. 244
CWDMp. 254
Understanding SONET/SDHp. 257
SONET/SDH Origins and Benefitsp. 258
SONET and SDH Hierarchyp. 259
Packet over SONET/SDHp. 263
SONET/SDH Challenges with Datap. 266
Understanding RPR and DPTp. 266
RPR/802.17 Architecturep. 268
DPT Using SRP Architecturep. 271
RPR and DPT Benefitsp. 274
Optical Ethernetp. 274
Gigabit Ethernet and 10GE over Optical Networksp. 275
Ethernet over Next-Generation SONET/SDHp. 280
Ethernet over RPR/DPTp. 284
Ethernet Directly over Optical Fiberp. 285
Optical Transport Network (ITU-T G.709 OTN)p. 292
IP over Opticalp. 294
Unified Control Planep. 295
Technology Brief-Optical Networksp. 297
Technology Viewpointp. 297
Technology at a Glancep. 300
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 302
End Notesp. 303
Referencesp. 304
Chapter 6 Metropolitan Optical Networksp. 307
Business Drivers for Metropolitan Optical Networksp. 308
Functional Infrastructurep. 309
Metro Accessp. 311
Metro Edgep. 317
Metro Corep. 321
Service POPp. 327
Metro Regionalp. 330
Metro SONET/SDHp. 331
Virtual Concatenation (VCAT)p. 332
Generic Framing Procedure (GFP)p. 333
Link Capacity Adjustment Scheme (LCAS)p. 333
Moving Packets over Metro SONET/SDHp. 335
Metro IPp. 340
Resilient Packet Ring (RPR): Packet Power for the Metrop. 341
Dynamic Packet Transport (DPT): The Cisco RPR Solutionp. 346
IP/MPLS in the Metrop. 348
Metro DWDMp. 349
Drivers for Metro DWDMp. 349
Metro DWDM Technologyp. 351
Metro DWDM Design Considerationsp. 356
Metro CWDMp. 359
Metro DWDM-Enabled Servicesp. 360
Metro Ethernetp. 361
Ethernet-from LAN to MANp. 362
Metro Ethernet Servicesp. 363
Comparing Metro Ethernet Servicesp. 367
Taking Metro Ethernet to the Marketp. 367
Service Orienting Metro Ethernetp. 371
Metro MSPP, MSSP, and MSTPp. 372
MSPPp. 372
MSSPp. 372
Multiservice Transport Platform (MSTP)p. 373
Metro Storage Networkingp. 377
Fibre Channelp. 377
Enterprise Systems Connection (ESCON)p. 380
Fiber Connection (FICON)p. 381
Technology Brief-Metropolitan Optical Networksp. 383
Technology Viewpointp. 383
Technology at a Glancep. 386
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 392
End Notesp. 393
References Used in This Chapterp. 393
Chapter 7 Long-Haul Optical Networksp. 397
Understanding Long-Haul Optical Networksp. 397
Networks of Nodesp. 400
Cisco Long-Haul Technologiesp. 402
Long-Haul DWDMp. 410
Extended Long-Haul Optical Networksp. 429
Advanced Fibersp. 430
Use of the L Bandp. 430
Raman Amplificationp. 430
Forward Error Correction (FEC)p. 431
Modulation Formatsp. 431
Ultra Long-Haul Optical Networksp. 432
Highly Accurate Lasersp. 433
Dispersion Managementp. 433
Amplificationp. 434
OXC Architecturesp. 434
Data Modulationp. 435
Submarine Long-Haul Optical Networksp. 435
Submarine Network Fiber Typesp. 436
Submarine Fiber Amplifiersp. 437
Optical Cross-Connects (OXCs)p. 438
Optical to Electrical to Optical (OEO)p. 439
Optical to Optical to Optical (OOO)p. 440
Hybrid OOO and OEO Technologiesp. 444
Technology Brief-Long-Haul Optical Networksp. 444
Technology Viewpointp. 445
Technology at a Glancep. 447
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 452
End Notesp. 454
References Used in This Chapterp. 454
Chapter 8 Wireline Networksp. 457
Narrowband-Squeezing Voice and Datap. 458
Residential Loop for Analog Transmissionp. 459
Going Digital with PCM and TDMp. 460
Narrowband Aggregation for DS1 and E1p. 461
ISDNp. 464
Frame Relayp. 467
Narrowband Aggregation Layer and Digital Loop Carriersp. 472
Broadband-Pushing Technology to the Edgep. 474
DSLp. 475
DSLAM Broadband Aggregation Layerp. 490
Cablep. 493
Ethernet to the Massesp. 502
Technology Brief-Wireline Networksp. 509
Technology Viewpointp. 510
Technology at a Glancep. 513
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 515
End Notesp. 519
References Used in This Chapterp. 520
Recommended Readingp. 520
Chapter 9 Wireless Networksp. 523
Cellular Mobility Basicsp. 523
Analog Cellular Access Technologyp. 524
Digital Cellular Access Technologiesp. 529
Cellular Standardsp. 534
Generation Upon Generationp. 541
Mobile Data Overlayp. 544
Mobile Radio Frequency Spectrump. 549
Navigating the Mobile Spectrump. 551
Wireless LANsp. 552
802.11 Physical Layer (PHY) Techniquesp. 553
Orthogonal Frequency Division Multiplexing (OFDM)p. 555
802.11 - 11 Mbps and Beyondp. 555
802.16p. 559
Wireless Personal Area Networksp. 560
Wireless Opticsp. 562
Fixed Wirelessp. 563
Satellite Wirelessp. 566
Technology Brief-Wireless Networksp. 566
Technology Viewpointp. 567
Technology at a Glancep. 568
Business Drivers, Success Factors, Technology Application, and Service Value at a Glancep. 570
End Notesp. 573
References Used in This Chapterp. 573
Indexp. 577