下一代DSL设备分析报告(Next-Generation DSL Equipment The Path to Profitability)

I. INTRODUCTION AND KEY FINDINGS
　　1.1 DSL Access Multiplexers
　　1.2 Metro B-RAS
　　1.3 CO B-RAS
　　1.4 3G DLC
　　1.5 Other Key Findings

II. DSLAM PRODUCT EVALUATION
　　2.1 What Is a DSLAM?
　　2.2 Why Are DSLAMs Important?
　　2.3 A DSLAM Taxonomy
　　2.4 DSLAM Players
　　2.5 Product Analysis – General DSLAM Features
　　2.6 Comparing Traditional ATM DSLAM Features
　　2.7 Comparing IP DSLAM Features
　　2.8 Comparing Ethernet DSLAM Features
　　2.9 Competitive Analysis and DSLAM Results
　　2.10 DSLAM Top Products
　　2.11 DSLAM Summary

III. METRO B-RAS PRODUCT EVALUATION
　　3.1 What Is a B-RAS?
　　3.2 What Is a Metro B-RAS?
　　3.3 Why Are Metro B-RASs Important?
　　3.4 B-RAS Players
　　3.5 Product Analysis
　　3.6 Comparing Equipment Features
　　3.7 Comparing Session Termination Features
　　3.8 Comparing VPN and Tunnel Support Features
　　3.9 Comparing Edge Router Features
　　3.10 Comparing ATM Features
　　3.11 Comparing Service Switching Features
　　3.12 Competitive Analysis and Metro B-RAS Results
　　3.13 Metro B-RAS Top Products
　　3.14 Metro B-RAS Summary

IV. CENTRAL OFFICE B-RAS PRODUCT EVALUATION
　　4.1 What Is a CO B-RAS?
　　4.2 What Is a TR-59 B-RAS?
　　4.3 Why Are Central Office B-RASs Important?
　　4.4 TR-59 B-RAS Requirements
　　4.5 WT-92 B-RAS Requirements
　　4.6 CO B-RAS/TR59 B-RAS Players
　　4.7 Product Analysis
　　4.8 Comparing Standalone Equipment
　　4.9 Comparing ATM Features
　　4.10 Comparing DiffServ and Other QOS Features
　　4.11 Comparing Policy and Traffic Engineering Features
　　4.12 Comparing Queuing and Scheduling Features
　　4.13 Comparing Subscriber Session Features
　　4.14 Comparing Scaling: ATM and VLANs
　　4.15 Comparing Scaling: Other Parameters
　　4.16 Competitive Analysis and Central Office B-RAS Results
　　4.17 CO B-RAS Results
　　4.18 CO B-RAS Top Products
　　4.19 CO B-RAS Summary

V. 3G DLC PRODUCT STRATEGIES
　　5.1 What Is a DLC?
　　5.2 What Is a Next-Gen DLC?
　　5.3 What Is a 3G DLC?
　　5.4 Why Are 3G DLCs Important?
　　5.5 Broadband Deployment From Digital Loop Carrier Systems
　　5.6 3G DLC Taxonomy
　　5.7 3G DLC Players
　　5.8 3G DLC Summary

VI. SERVICE MANAGEMENT
　　6.1 Service Management: Key Processes
　　6.2 Service Management: Key Subscriber Functions
　　6.3 Service Management Summary

VII. MARKET PERCEPTION OF VENDORS
　　7.1 DSLAM Results
　　7.2 B-RAS Results
　　7.3 DLC Results

VIII. DSL NETWORK ARCHITECTURES
　　8.1 Traditional IP Service Architecture
　　8.2 Hollow Core
　　8.3 Distributed Edge Architecture
　　8.4 DSL Forum Technical Report 59 Architecture
　　8.5 DLC Architecture
　　8.6 DSL Network Architectures Summary

IX. DSL TECHNOLOGY
　　9.1 ADSL (Asymmetric DSL)
　　9.2 SHDSL (Symmetric High Speed DSL)
　　9.3 VDSL (Very High Speed DSL)
　　9.4 Ethernet in the First Mile Alliance (EFMA) / IEEE 802.3ah
　　9.5 XDSL Summary
　　APPENDICES
　　A1 ABOUT THE LEAD AUTHOR
　　A2 METHODOLOGY
　　A3 GLOSSARY
　　A4 LEGAL DISCLAIMER

LIST OF FIGURES
　　SECTION I
　　　　Figure 1 ATM DSLAM Scorecard
　　　　Figure 2 IP DSLAM Scorecard
　　　　Figure 3 Ethernet DSLAM Scorecard
　　　　Figure 4 Access Integration Metro B-RAS Scorecard
　　　　Figure 5 Ethernet Access Metro B-RAS Scorecard
　　　　Figure 6 Advanced Services Metro B-RAS Scorecard
　　　　Figure 7 Security Services Metro B-RAS Scorecard
　　　　Figure 8 TR-59 Compliant B-RAS Scorecard
　　　　Figure 9 CO Scale B-RAS Scorecard
　　　　Figure 10 CO Scale per Cubic Foot B-RAS Scorecard
　　SECTION II
　　　　Figure 11 A DSLAM Taxonomy
　　　　Figure 12 Alternative DSLAM Taxonomy
　　　　Figure 13 General DSLAM Features
　　　　Figure 14 Power per Line for Different Line Length Distributions
　　　　Figure 15 Traditional ATM DSLAM Features
　　　　Figure 16 IP DSLAM Features
　　　　Figure 17 Ethernet DSLAM Feature
　　　　Figure 18 DSLAM Scores
　　　　Figure 19 General DSLAM Subtotals
　　　　Figure 20 General DSLAM Derived Metric Figures
　　　　Figure 21 ATM DSLAM
　　　　Figure 22 ATM Subtotal
　　　　Figure 23 IP DSLAM
　　　　Figure 24 IP Subtotal
　　　　Figure 25 Ethernet DSLAM
　　　　Figure 26 Ethernet Subtotal
　　　　Figure 27 DSLAM Top Products
　　SECTION III
　　　　Figure 28 Subscriber Management
　　　　Figure 29 Equipment Features
　　　　Figure 30 Session Termination Features
　　　　Figure 31 VPN & Tunnel Support Features
　　　　Figure 32 Edge Router Features
　　　　Figure 33 ATM Features
　　　　Figure 34 Service Switching Features
　　　　Figure 35 Metro B-RAS Scores
　　　　Figure 36 Access Integration Metro B-RAS
　　　　Figure 37 Interface Density
　　　　Figure 38 Session Density
　　　　Figure 39 VPN & Tunnels
　　　　Figure 40 Ethernet Access Metro B-RAS
　　　　Figure 41 Advanced Services Metro B-RAS
　　　　Figure 42 ATM
　　　　Figure 43 IP QOS
　　　　Figure 44 Security Services Metro B-RAS
　　　　Figure 45 Metro B-RAS Top Products
　　SECTION IV
　　　　Figure 46 TR-59 B-RAS Requirements – 1: Subscriber Sessions
　　　　Figure 47 TR-59 B-RAS Requirements – 2: ATM, Policy
　　　　Figure 48 TR-59 B-RAS Requirements – 3: DiffServ
　　　　Figure 49 TR-59 B-RAS Requirements – 4: Miscellaneous
　　　　Figure 50 DSL Forum Working Text 92 Revision 1 B-RAS Requirements
　　　　Figure 51 Equipment Features
　　　　Figure 52 ATM Features
　　　　Figure 53 DiffServ and Other QOS Features
　　　　Figure 54 Policy Configuration and Traffic Engineering Features
　　　　Figure 55 Queuing and Scheduling Features
　　　　Figure 56 Subscriber Sessions Features
　　　　Figure 57 Scaling: ATM and VLANs
　　　　Figure 58 Scaling: Other Parameters
　　　　Figure 59 CO B-RAS Scores
　　　　Figure 60 TR-59 B-RAS
　　　　Figure 61 ATM and LAN Interfaces
　　　　Figure 62 DiffServ and Other QOS
　　　　Figure 63 Policy Configuration and Traffic Engineering
　　　　Figure 64 Queuing and Scheduling
　　　　Figure 65 Subscriber Sessions
　　　　Figure 66 CO B-RAS Scaling
　　　　Figure 67 ATM and VLANs Scaling
　　　　Figure 68 Other Parameters Scaling
　　　　Figure 69 CO B-RAS Scaling per Cubic Foot
　　　　Figure 70 Central Office B-RAS Top Products
　　SECTION V
　　　　Figure 71 3G DLC Taxonomy
　　　　Figure 72 Broadband Loop Carrier Drivers
　　　　SECTION VI
　　　　Figure 73 Graphical Service Creation Tool
　　　　Figure 74 Service Activation Example: Part 1
　　　　Figure 75 Service Activation Example: Part 2
　　　　Figure 76 Service Management: Key Subscriber Functions
　　SECTION VII
　　　　Figure 77 DSLAM Survey Results
　　　　Figure 78 DSLAM Vendors by Recognition
　　　　Figure 79 DSLAM Vendors by Price
　　　　Figure 80 DSLAM Vendors by Performance
　　　　Figure 81 DSLAM Vendors by Quality & Reliability
　　　　Figure 82 DSLAM Vendors by Service & Support
　　　　Figure 83 B-RAS Survey Results
　　　　Figure 84 B-RAS Vendors by Recognition
　　　　Figure 85 B-RAS Vendors by Price
　　　　Figure 86 B-RAS Vendors by Performance
　　　　Figure 87 B-RAS Vendors by Quality & Reliability
　　　　Figure 88 B-RAS Vendors by Service & Support
　　　　Figure 89 B-RAS Market Recognition by Region
　　　　Figure 90 Incumbent Perceptions: Cisco vs. Juniper
　　　　Figure 91 3G DLC Survey Results
　　　　Figure 92 3G DLC Vendors by Recognition
　　　　Figure 93 3G DLC Vendors by Price
　　　　Figure 94 3G DLC Vendors by Performance
　　　　Figure 95 3G DLC Vendors by Quality & Reliability
　　　　Figure 96 3G DLC Vendors by Service & Support
　　　　Figure 97 3G DLC Results From Incumbent Carriers
　　SECTION VIII
　　　　Figure 98 Network Flexibility Points
　　　　Figure 99 Today's IP Service Networks
　　　　Figure 100 Next-Generation Networks
　　　　Figure 101 TR-58 Market Drivers
　　　　Figure 102 TR-58 Service Feature Requirement Areas
　　　　Figure 103 DSL Forum TR-59 Highlights
　　　　Figure 104 DSL Forum TR-59 Reference Architecture
　　　　Figure 105 DLC Architecture
　　SECTION IX
　　　　Figure 106 DSL Frequency Utilization (ITU-T Rec. G.992.1)
　　　　Figure 107 Typical DSL Installation
　　　　Figure 108 Asymmetric DSL Standards
　　　　Figure 109 DSL Downstream Rate vs Reach
　　　　Figure 110 DSL Upstream Rate vs Reach
　　　　Figure 111 ADSL2 Reach or Rate Increase
　　　　Figure 112 ADSL2+ Bandwidth
　　　　Figure 113 ADSL2+ Doubles the Maximum Downstream Data Rate
　　　　Figure 114 Symmetric DSL Standards
　　　　Figure 115 Ethernet in the First Mile Alliance Standards – IEEE 802.3 ah