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Next-Generation Network Services

Next-Generation Network Services

Robert Wood

Nov 2005, Hardback, 624 pages
ISBN13: 9781587051593
ISBN10: 1587051591
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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.

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.

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

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.

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