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Bandwidth is a precious commodity these days, and that’s prompting the cable industry to assess the evolution of its network infrastructure. Cable operators are confronting the need to support hundreds of channels of high-definition TV content and the explosion of high-bit-rate applications such as Internet video streaming and peer-to-peer applications. As demand for bandwidth increases, operators must decide on which technologies, tools and techniques to use in order to optimize existing network bandwidh or to increase the total amount of capacity available on their networks. This report provides a forward-looking overview of the key issues related to the most-high-profile of the bandwidth expansion and optimization technologies in use or under evaluation by U.S. cable MSOs.
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TABLE OF CONTENTS
- Introduction
- Cable Network Bandwidth Drivers
- Bandwidth Consumption Trends
- Approaches to Bandwidth Optimization and Expansion
- Bandwidth Optimization and Expansion General Considerations
- --Bandwidth Expansion Techniques
- --Bandwidth Optimization Techniques
- Bandwidth Optimization and Expansion Cost Considerations
- Bandwidth Optimization and Expansion Strategies and Technologies
- Analog Reclamation/Migration to All-Digital Networks
- --Analog Reclamation/Migration Benefits
- --Analog Reclamation/Migration Disadvantages
- Representative Cable Operator Analog Reclamation/Migration Strategies
- --Comcast Analog Reclamation/Migration Strategy
- --Cablevision Analog Reclamation/Migration Strategy
- --Charter Analog Reclamation/Migration Strategy
- --RCN Cable Analog Reclamation/Migration Strategy
- --Massillon Cable Analog Reclamation/Migration Strategy
- Plant Upgrade to 1 GHz
- --Operator 1 GHz Upgrade Strategies
- MPEG-4 Advanced Video Coding (AVC)
- --Advanced Video Coding Market Directions
- --Advanced Video Coding Technology Advancements
- --Advanced Video Coding Cost Factors
- Switched Digital Video (SDV)
- --Switched Digital Video Technology Drawbacks
- --Switched Digital Video Costs
- --Cable Operator Switched Digital Video Strategies
- Node Segmentation
- Cable Operator Node Splitting Strategies
- RF over Glass (RFoG)
- RFoG Market Drivers
- RFoG Technology Overview
- RFoG Business Considerations
- RFoG Operator Strategies
- RFoG Vendors
- Conclusion
- TABLE OF FIGURES
- Figure 1: Cable Service and Application Bandwidth Requirements
- Figure 2: Cost Comparison of Bandwidth Optimization and Expansion Technologies
- Figure 3: Switched Digital Video System Conceptual Illustration
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Patti Reali
Patti A. Reali is an independent analyst and writer with more than 20 years of experience covering the media and telecommunications industries, providing consulting, research, strategic analysis and editorial services to domestic and international global Fortune 1000 companies in all key industry verticals, including governments, technology suppliers, service providers, and the private equity/ investment community. Ms. Reali was most recently with Gartner Inc. as a Research Director in the Technology & Service Provider Research unit. She was a senior member of the global Communications Group’s Carrier Network Infrastructure Worldwide team. Patti is currently writing commentary and analysis in a new online blog for SNL Kagan’s Media & Communications service called “The Reality Check” and is a contributing analyst for new consumer and technology research and analysis venture Trender Research.
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