Next-Generation Network Services

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.

Table of Contents:
Introduction Chapter 1 Communicating in the New Era New Era of Networking The Fences Are Down Technological Winners IP Everywhere Optical Anywhere Wireless Through the Air Building Blocks for Next-Generation Networks IP Networks Multiservice Networks VPNs Optical Networks Wireline Networks Wireless Networks Using Next-Generation Network Services Network Infrastructure Convergence Services Convergence From Technology Push to Service Pull Chapter Summary End Notes Resources Used in This Chapter Chapter 2 IP Networks IP Past, Present, and Future IP Influence and Confluence IP Version 4 IP Version 6 IP Network Convergence Local IP Networks: LANs LAN Technologies Ethernet–From Zero to 10 Gigabits in 30 Years IP Routing LAN Switching Long IP Networks: WANs WAN Bandwidth Wide Area Changes Wide Area Technologies and Topologies Mobile IP Networks Wireless IP LANS Mobility Networks Global IP Networks  Global Capacity Globally Resilient IP The Internet–A Network of Networks Beyond IP Technology Brief–IP Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Chapter 3 Multiservice Networks The Origins of Multiservice ATM Next-Generation Multiservice Networks Next-Generation Multiservice ATM Switching Cisco Next-Generation Multiservice Switches Multiprotocol Label Switching Networks Frame-Based MPLS Cell-Based MPLS MPLS Services MPLS Benefits for Service Providers MPLS Example Benefits for Large Enterprises Cisco Next-Generation Multiservice Routers Cisco CRS-1 Carrier Routing System Cisco IOS XR Software Cisco XR 12000/12000 Series Routers Multiservice Core and Edge Switching Multiservice Provisioning Platform (MSPP) Cisco ONS 15454 E Series Ethernet Data Card Multiservice Switching Platforms (MSSP) Technology Brief–Multiservice Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Chapter 4 Virtual Private Networks Frame Relay/ATM VPNs: Where We’ve Been IP VPNs: Where We’re Going IP Security (IPSec) IPSec Protocols for Data Integrity IPSec Data-Forwarding Modes Summarizing IPSec Technologies Access VPNs IPSec VPNs for Remote Access Secure Socket Layer (SSL) VPN for Remote Access Wireless Remote-Access VPNs MPLS VPNs for Remote Access Intranet VPNs IPSec Site-to-Site VPNs Additional Intranet IPSec VPN Designs MPLS Layer 3 VPNs MPLS Layer 2 VPNs Layer 2 Tunneling Protocol version 3 (L2TPv3) VPNs Multicast VPNs (MVPNs) Extranet VPNs Multiservice VPNs over IPSec VPNs: Build or Buy? Enterprise-Managed VPNs Provider-Managed VPNs Technology Brief–Virtual Private Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Recommended Reading Chapter 5 Optical Networking Technologies Light–Where Color Is King Understanding Optical Components Light and Lambdas Electromagnetic Spectrum Light Emitters Optical Fiber Light Receivers Understanding Optical Light Propagation Optical Networks–Over the Rainbow WDM DWDM CWDM Understanding SONET/SDH SONET/SDH Origins and Benefits SONET and SDH Hierarchy Packet over SONET/SDH SONET/SDH Challenges with Data Understanding RPR and DPT RPR/802.17 Architecture DPT Using SRP Architecture RPR and DPT Benefits Optical Ethernet Gigabit Ethernet and 10GE over Optical Networks Ethernet over Next-Generation SONET/SDH Ethernet over RPR/DPT Ethernet Directly over Optical Fiber  Optical Transport Network (ITU-T G.709 OTN) IP over Optical Unified Control Plane Technology Brief–Optical Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Chapter 6 Metropolitan Optical Networks Business Drivers for Metropolitan Optical Networks Functional Infrastructure Metro Access Metro Edge Metro Core Service POP Metro Regional Metro SONET/SDH Virtual Concatenation (VCAT) Generic Framing Procedure (GFP) Link Capacity Adjustment Scheme (LCAS) Moving Packets over Metro SONET/SDH Metro IP Resilient Packet Ring (RPR): Packet Power for the Metro Dynamic Packet Transport (DPT): The Cisco RPR Solution IP/MPLS in the Metro Metro DWDM Drivers for Metro DWDM Metro DWDM Technology Metro DWDM Design Considerations Metro CWDM Metro DWDM-Enabled Services Metro Ethernet Ethernet–from LAN to MAN Metro Ethernet Services Comparing Metro Ethernet Services Taking Metro Ethernet to the Market Service Orienting Metro Ethernet Metro MSPP, MSSP, and MSTP MSPP MSSP Multiservice Transport Platform (MSTP) Metro Storage Networking Fibre Channel Enterprise Systems Connection (ESCON) Fiber Connection (FICON) Technology Brief–Metropolitan Optical Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Chapter 7 Long-Haul Optical Networks Understanding Long-Haul Optical Networks Networks of Nodes Cisco Long-Haul Technologies Long-Haul DWDM Extended Long-Haul Optical Networks Advanced Fibers Use of the L Band Raman Amplification Forward Error Correction (FEC) Modulation Formats Ultra Long-Haul Optical Networks Highly Accurate Lasers Dispersion Management Amplification OXC Architectures Data Modulation Submarine Long-Haul Optical Networks Submarine Network Fiber Types Submarine Fiber Amplifiers Optical Cross-Connects (OXCs) Optical to Electrical to Optical (OEO) Optical to Optical to Optical (OOO) Hybrid OOO and OEO Technologies Technology Brief–Long-Haul Optical Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Chapter 8 Wireline Networks Narrowband–Squeezing Voice and Data Residential Loop for Analog Transmission Going Digital with PCM and TDM Narrowband Aggregation for DS1 and E1 ISDN Frame Relay Narrowband Aggregation Layer and Digital Loop Carriers Broadband–Pushing Technology to the Edge DSL DSLAM Broadband Aggregation Layer Cable Ethernet to the Masses Technology Brief–Wireline Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Recommended Reading Chapter 9 Wireless Networks Cellular Mobility Basics Analog Cellular Access Technology Digital Cellular Access Technologies Cellular Standards Generation Upon Generation Mobile Data Overlay Mobile Radio Frequency Spectrum Navigating the Mobile Spectrum Wireless LANs 802.11 Physical Layer (PHY) Techniques Orthogonal Frequency Division Multiplexing (OFDM) 802.11–11 Mbps and Beyond 802.16 Wireless Personal Area Networks Wireless Optics Fixed Wireless Satellite Wireless Technology Brief–Wireless Networks Technology Viewpoint Technology at a Glance Business Drivers, Success Factors, Technology Application, and Service Value at a Glance End Notes References Used in This Chapter Index

About the Author :
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.