Optical Networks: Advances and Architectures

Format: Softcover, 336 pages
ISBN: 1-931695-07-5
Price: $495

Overview ·  Table of Contents ·  Features ·  Organizations ·  Who Should Read This Report

TABLE OF CONTENTS

Part I: Business Issues and Trends
Leveraging Optical Options
	Market Influence
	Optical Network Elements
	The Case for the All-Optical Switch
	Looking Ahead
Metronomics
	Bandwidth Distribution
	Trends and the Future
Optical-Network Evolution through 2006
	Yesterday, Today, and Tomorrow
	Business Drivers
	Scaling the Network
	Emerging Technologies
Where Carriers Dare to Tread
	Transparent Services—The Ideal
	Optical Networks Today
	Data and Private-Line Networks
	The Future Provisioning System
	Wavelength Planning
	Switching-Technology Comparison
The Convergence of IP and Optics: Reality Telecom
	Fiscal Reality
	Network Reality
	Virtual Reality: Making Physical Networks More Virtual and Virtual Networks More Physical
	IP plus Optics
The Future of Optical Technology
	Resilient Packet Transport
Why Moving to a Pure Optical Network Makes Sense ... Today
	DWDM Solves One Problem—But Creates Others
	Another Way to Describe the Problem
	Moving to a Pure Optical Network
	Extending the Bounds
Enabling the Unbundled Optical Loop
	Market Drivers for the Unbundled Optical Network
	Benefits of the Unbundled Optical Loop
	Evolving Connectivity to High-Value Optical Services
	Key Enablers and Value of the UOL
Part II: Services, Control, and Delivery
Service Migration with Core-Service Switching
	Service and Market Opportunities
	Current Situation
	Business Network Challenges
	Definition of Four Classes of Services
	Class of Service Model for an Optical Carrier–48c Port
Restoring the Balance between Technology and Service
	Recent Technology and Service Announcements
	Services Imbalance: Legacy Player
	Technology Imbalance: Promise over Performance
	Historical Balance between Technology and Services
	Challenges for Service Providers
IP Over Optics: A New Approach to IP Service Transport Challenges in Transferring IP Traffic
	Legacy Networks
	Typical Transport Solutions Today
	Principles of IP Service Transport
	Using MPLS for Multiservice Transport Solutions
	Control Plane MPLS and GMPLS
Increasing Service Velocity in a Converged Network
	Network Architecture Trends
	Service-Provider Challenges
	Application-Driven Provisioning
Emerging Services and Service Providers
	Metro Core Issues
	Dynamic Wavelength Network
	The New Metro Core
IP Video to the Home Using an Ethernet Passive Optical Network
	The Case for IP Video Services
	EPON Primer
	How IP Video Works
	End-to-End Architecture for IP Video
Fiber-Channel Extension Services
	Key Benefits
Intelligence at the Edge
	Transitioning Internet Backbones into IP Service Networks
	Scaling and Converging Packet-Switched Networks
	Introducing New Services with Bandwidth and Connectivity
	Creating Dynamic Control for Optical Networks
Part III: Metro Optical Networks
Architectures for Metro Optical Networks
	Evolution
	Challenges
	Solutions
	The Smarter Metro Edge
Optical Network Optimization for Metropolitan Areas
	Designing an Optimized Network: Mesh versus Ring
	Optimization Tools
	Quantifying Metro-Area Benefits of DWDM: A Case Study
Integrating PON into a Metro Network
	Metropolitan Market Drivers
	Emerging Trends
	PON Access Systems
10-Gigabit Ethernet Challenges and Solutions for IP Optical Metro Networks
	Residential Trends
	Provider Challenges and Solutions
Multiservice Technologies for the Metro Network
	Working with SONET
	Today's Carrier Network
	Intelligent Provisioning
	Network Requirements
	Redefining Time to Service
Optimizing the Metro Optical Network
	Ethernet: Pros and Cons
	SONET: Pros and Cons
	DWDM in the Metro Network
Optical Access for the Last Mile—Wireless Optical Networking
	Last-Mile Access
	Free-Space Optics Market
	Wireless Optical Networking Goals
Multiservice Alternatives in the Metro Network
	Network Services
	Using SONET for Multiservice
	Using ATM for Multiservice
	Using IP for Multiservice
Deploying All-Optical Access Networks
	Emergence of the PON Cloud
	Growing Bandwidth Demand
	PON Active-Equipment Market
	PON Architectural Considerations and Design Objectives
	Network Migration Strategies and Cost Modeling
RPR–Infrastructure for the Delivery of Deterministic Ethernet in the MAN
	Carriers' Services Portfolio—A Network Outlook
	The Importance of Ethernet
	Ethernet Service Infrastructure
	Resilient Packet Ring Solution
Transport Technology Selection in Metropolitan Networks
	Decisions
	Engineering Rules
	Design and Technology Options
	Cost Analysis
MPLS: Making the Most of Ethernet in the Metro
	An Introduction to MPLS and Ethernet
	Creating SLA–Backed TLSs with MPLS over Ethernet
	The Limitations of Using Ethernet to Create Transparent LAN Services
	Using MPLS over Ethernet to Offer SLA–Backed TLS
	The Path to Long-Term Profitability
Packet Ring Technology: The Future of Metro Transport
	The Limitations of SONET and Ethernet in Metro Rings
	The Advantages of Packet-Ring Networking
	Packet Rings in Application
	Packet-Ring Standards Efforts
Part IV: Management, Monitoring, and QoS
Leveraging Optical Switching in an IP Quality-of-Service Environment
	The Next-Generation Internet Core
	Optical Switching
	The Future
Network Optimization Challenges
	A Question of Fiber
	Metro Optical Market
	The Problem of Multiple Protocols and Devices
	Dealing with the Network Edge
Control and Management of Optical Networks
	Economics
	Service-Provider Network Challenges
	Provisioning at the Edge and Core
	Generalized MPLS
	Monitoring
Optimizing the Networks
	Network Optimization Is a Moving Target
	Survival in an Era of Declining Prices Is Driving All-Optical Networks
	Scenarios Driving the All-Optical Network: A Service Provider's Perspective
	Cutting Network Costs: The Food Chain
Monitoring the Optical Network
	Basics of Non-Static and Reconfigurable Systems
	Circuit- and Packet-Switching Solutions
Optimizing IP Over Optics Networks
	Current Architectural Trends
	IP-over-Optics Network Architecture
	Optimized Applications of IP-Over-Optics Networks
Part V: Architectures and Components
The Service-Intelligent Network Architecture
	A Question of Revenue
	Integration of Data and the Optical Infrastructure
	Customer Expectations
	Architecture Components
	Managed Bandwidth
	Performance Monitoring and QoS
	Dynamic Connections
Using Subcarrier Multiplexing: The Bridge to the All-Optical Future
	Bridge to the Future
	What Is SCM?
	SCM Facilitates Multiple Services
	SCM Enhances Service Velocity
	Low-Cost Infrastructure
	Carrier Success with SCM
Copper-Based Solutions to Bridge the Deployment Gap
	Global Broadband Demand Remains Strong
	IP over Ethernet End-to-End Is Coming
	Closing the Access Gap
	Fiber in the Real World
	Case Studies: Emerging Providers and Legacy Networks
	Competitive Access Technologies
	Fiber-Fed DSL
DWDM Passive Components
	Transmission Windows
	ITU–T Wavelength Grid for Wavelength Division Multiplexing
	Dielectric Thin-Film Filter
	Bragg Grating Principle
	Arrayed Waveguide Grating
	Bulk Diffraction Gratings
	Comparison Summary
Overlay Networks versus Converged-Technology Platforms
	Securing Revenues, Growing Profits
	The Carriers' Checklist for the Next-Generation Platform
	Current Architecture
	Converged Technology
	Economic Benefits
Building a Residential FTTH Architecture
	Architecture Alternatives for the Home Market
	Questions to Answer
	Three Alternative Scenarios
FTTH versus Small-Node HFC
	Why FTTH?
	FTTH Deployment and Afterward
	Homes Passed versus Homes Served
	Small- and Large-Node HFC Networks
	FTTH Equipment-Cost Trends
The Evolution of Wavelength Switches
	A New Unit of Capacity
	The Ideal Wavelength Switch
	The Evolution of Wavelength Switches
Part VI: Long-Haul Networks
Directions in Optical Network Evolution—The Long Haul
	Carrier Needs for the Optical Layer
	Line-Capacity Evolution
	Wavelength Connection Management Control Alternatives
	Why Optical-Layer Intelligence?
	Basis for a Dynamic Optical Layer
	All-Optical Network Vision
Fulfilling Demand for Bandwidth in Global Backbone Networks
	Perceptions
	The Current Situation
	Problem #1: Long-Haul-Market Segmentation
	Problem #2: Scalability
Driving Forces for Core Optical-Backbone Technologies: A Service Provider's Perspective
	Market Drivers
	Service-Provider Requirements Drive Technology Decisions
	Wholesale Demand Is Shifting to High-Capacity Optical Circuits
	Wavelength Service Options
	Innovative Pricing Creates Market Opportunities
	Roadmap to the Future
DWDM Deployment in Long-Haul and Ultra-Long-Haul Systems
	Business Drivers
	Terabit Deployment Status
	Long-Haul and Ultra-Long-Haul DWDM Deployment Challenges
Scalability of the Optical Core Network
	Scalability Drivers and Trends
	Emerging Technologies

  Copyright © 2005 International Engineering Consortium
Terms of Use | Privacy Statement | Site Map