Cover image for OpenCable archectiture
Title:
OpenCable archectiture
Author:
Adams, Michael.
Personal Author:
Publication Information:
Indianapolis, IN : Cisco, [2000]

©2000
Physical Description:
xxiv, 450 pages : illustrations ; 24 cm
General Note:
Includes bibliographical references and index.
Language:
English
Subject Term:
ISBN:
9781578701353
Format :
Book

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Central Library TK6678 .A33 2000 Adult Non-Fiction Non-Fiction Area
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Summary

Summary

OpenCable Architecture by Michael Adams is the Winner of the 2001 Cable Center Book Award!

Learn how to bring digital TV, data, and interactivity to the television.

Examine the new architectures being developed by the cable industry as part of the OpenCable initiative Review the recent history of interactive TV, including the Time Warner Full Service Network and Pegasus program Understand the concepts of hybrid fiber coax architecture Learn how the cable TV industry is evolving with converging with the data networking industry

The cable industry is in the midst of a revolution. Existing cable systems that were engineered for broadcast television are being called on to support a host of new applications and services which require upgrading those cable systems to high-speed, two-way communications networks. OpenCable Architecture is the first book to focus on this new technology, answering many questions and describing how the components of an OpenCable network interconnect.

Written by one of the primary architects of the OpenCable initiative, this book explains key concepts in practical terms. It describes the digital headend, optical transport, distribution hub, hybrid-fiber coax, and set-top terminal equipment and how these componenets are interconnected.

Whether you're a television, data communications, or telecommunications professional, or an interested layperson, OpenCable Architecture will help you understand the technical and business issues surrounding interactive television services. It will provide you with an inside look at the combined efforts of the cable, data, and consumer electronics industries to develop those new services.


Author Notes

Michael Adams is the principal network architect for Time Warner Cable, responsible for all aspects of networking in the Pegasus Digital Program. He has served as the co-chair of the JEC Digital Standards Sub-Committee and as chair of the Working Group 3 for the SCTE Digital Video Standards Committee. He is one of the primary architects of the OpenCable initiative, the co-author of the point-of-deployment module interface (OCI-C2) specification, and the primary author of the network interface (OCI-N) specification. He is a founding member of the OpenCable Technical Team.


Table of Contents

I Digital Cable Television
1 Why Digital Television?
Digital Technology Evolution
Silicon Integration and Moore's Law
Analog-to-Digital Conversion
Convergence with the Personal Computer
Internet Convergence
New Services
New Business Models
Advantages of Digital Television
Channel Expansion
On-Demand Services
Quality
Security
Flexibility
Data Transmission
Summary
2 Analog Cable Technologies
Analog Channel Expansion
The Hybrid Fiber Coax Upgrade
HFC Topology
Linear Optical Transmission
Return Path Activation
Summary
References
3 The Analog Set-Top Converter
The Cable Network Interface
Cable Tuner
NTSC Demodulator
Out-of-Band Receiver
Out-of-Band Transmitter
Media Access Control
Conditional Access System
Analog De-scrambler
On-Screen Display
Audio Processing
Volume Control
Digital Music
BTSC Stereo and SAP Decoding
Microprocessor Subsystem
Central Processing Unit
Memory Subsystem
Display and Keypad
RF Modulator
RF Bypass Switch
Inputs
Cable Input
Infrared Receiver
Diagnostic Port
Data Port
Outputs
RF Output
Baseband Video
Baseband Audio
Infrared Transmitter
Software Architecture
Operating System Software
Device Drivers
Applications43
Case Studies
CFT-2200
8600X
Limitations
Lessons Learned
Summary
References
Book
Internet Resources
4 Digital Technologies
Video Compression
MPEG-2 Compression
Other Video Compression Algorithms
Details of MPEG-2 Video Compression
Audio Compression
MPEG-1 Layer 2 (Musicam)
Dolby AC-3
Other Audio Compression Algorithms
Data
System Information
MPEG-2 Systems Layer
Timing and Synchronization
Packetization
Multiplexing
Conditional Access
Limitations of MPEG-2 Systems Layer
Transmission Mechanisms
Baseband Transmission
Broadband Transmission
Summary
References
Books
Periodicals
Standards
Internet Resources
5 Adding Digital Television Services to Cable Systems
Drivers for Digital Television
Channel Expansion
Direct Broadcast Satellite Competition
High Definition Television
Consolidation with Other Digital Service
Radio Frequency Return Traffic
Business Communications
Network Management
Transmission of Digital Television
Out-of-Band Data Communications
Drivers
Out-of-Band Architectures
Forward OOB Channel
Reverse OOB Channel
Out-of-Band Evolution
Out-of-Band Channel Termination
Hub-Level Addressing
Return Traffic Aggregation
Shared Media Access Control
Headend-to-Distribution Hub Interconnection
LAN Extension Products
SONETs
ATM Networks
IP Networks
Summary
References
Books
Periodicals
Internet Resources
6 The Digital Set-Top Converter
Cable Environment
Overview
The Cable Network Interface
Cable Input
Tuner
QAM Demodulator
NTSC Demodulator
Out-of-Band Channel Termination
Out-of-Band Transmitter
Media Access Control
Telephone Modem
Transport Processing
Conditional Access System
Digital Decryption
Analog De-scrambling
Video and Graphics Processing
MPEG-2 Video Decoding
Analog Video Processing
On-Screen Display
Digital-to-Analog Conversion
NTSC Encoding
Audio Processing
Dolby AC-3 Audio Decoding
BTSC Stereo Decoding
Audio Synthesis
Microprocessor Subsystem
Central Processing Unit
Memory Subsystem
Display and Keypad
RF Modulator
RF Bypass Switch
Inputs
Outputs
RF Output
Baseband Video
Baseband Audio
S-Video
Component Video
IEEE
1394 Digital Audio
Infrared Transmitter
Software
Device Drivers
Operating System
Applications
Limitations
Summary
References
Books
Standards
Internet Resource
7 Digital Broadcast Case Studies
Architectural Comparison
Satellite Distribution to Headends
Headend-to-Subscriber Distribution
Split Security Model
Out-of-Band Channel
Central Versus Local Subscriber Management
DigiCable
Head-End In The Sky Model
Local Subscriber Management
DigiCable Summary
Pegasus
Pegasus Phase 1.0 Goals
Pegasus Request for Proposal
Pegasus Architecture
Digital Broadband Delivery System
Summary
References160
Book
Periodical
II Interactive And On-Demand Services
8 Interactive Services
Internet Convergence
Goals of Interactive Services
Interactive Versus On-Demand Services
Interactive Services
Navigation
Information Services
Communications Services
Electronic Commerce Services
Video Games
Enhanced Television Services
Applications Model
Client Applications
Server Applications
Distributed Applications
Application Requirements
Software Download
Activation
Communications
Streaming Media
Application Resources
Set-Top Resources
Software Download Mechanisms
Activation and Synchronization Mechanisms
Communication Mechanisms
Summary
References
Books
Periodicals
Standards
Internet Resources
9 Interactive Cable System Case Studies
Time Warner Full Service Network
FSN Network Architecture Goals
Network Overview
Services
Applications Model
Application Requirements
Applications Resources
Lessons Learned
Pegasus
Pegasus Phase 1.1 Goals
Network Overview
Services
Applications Model
Application Portability
Applications Resources
Lessons Learned
Summary
References212
Standards
Internet Resources
10 On-Demand Services
Interactive Versus On-Demand Services
Internet Comparisons
Goals of On-Demand Services
On-Demand Services
Movies-on-Demand
Music-on-Demand
Post-Broadcast On-Demand
Special Interest Programming
Distance Learning
Library Access
Video Mail
On-Demand Reference Architecture
Provisioning Network
Distribution Network
Media Servers
Conditional Access
Server Placement
Switching Matrix
Set-Top
Summary
References
11 On-Demand Cable System Case Studies
Time Warner Full Service Network
Full Service Network Overview
Basic Star Architecture
Logical ATM Connectivity
MPEG Mapping into ATM
MPEG Delivery from Server to Set-Top
Lessons Learned
FSN Summary
Pegasus Phase 2.0
FSN Learning Experience
On-Demand Services
New Channels
Server Location
Fiber Transport
Transport Protocol
Switching Matrix
Pegasus Phase 2 Summary
Summary
References
Standards
Internet Resources
III OPENCABLE
12 Why OpenCable?
Goals of OpenCable
New Suppliers
New Services
Retail Availability
Market Forces
Competition
Technology
Government Regulation
1992 Cable Act
1994 FCC Report and Order.1996 Telecommunications Act
1998 Report and Order on Competitive Availability of Navigation Devices
Digital Carriage
Emergency Alert Systems
Retail Issues
Cable Service Management
New Services
Existing Suppliers
Signal Theft
OpenCable Solutions
The OpenCable Process
The OpenCable Architecture
The OpenCable Specifications
Retail Availability
Summary
References
Books
Periodicals
Internet Resources
13 OpenCable Architectural Model
OpenCable History
OpenCable Process
Specification Development
Interoperability
OpenCable Reference Diagram
Specified Interfaces
Specified Components
Standards
Relevant Standards Bodies
Summary
References
Books
Internet Resources
14 OpenCable Device Functional Requirements
Goals
Provide for Integrated Service Environments
Open and Interoperable
Portability
Renewable Security
User Interface
Scaleable
Efficient Application and Network Design
Operational Compatibility
Backward Compatibility
Goals for the OpenCable Set-Top Terminal
OpenCable Device Models
Leased
Retail
Core Services
Core Functions and Features
The Cable Network Interface
Conditional Access System
Video and Graphics Processing
Audio Processing
Microprocessor Subsystem
Remote Control
Extension Requirements
Performance
Summary
References
Book
Standards
Internet Resources
15 OpenCable Headend Interfaces
OCI-H1
Goals
Issues
Reference Architecture
Development Status
OCI-H2
Goals
Issues
Reference Architecture
Development Status
OCI-H3
Goals
Issues
Development Status
Summary
References
Book
Papers
Standards
Internet Resources
16 OCI-N: The Network Interface
Scope of OCI-N
Issues
The Frequency-Domain View
Channel Types
OCI-N Protocol Layering
In-Band Channels
Out-of-Band Channels
Summary
References
Book
Standards
Internet Resources
17 OCI-C1: The Consumer Interface
Goals
Issues
OCI-C1 Family
Analog NTSC
Component Video
Home Digital Network Interface
Summary
References
Book
Standards
Internet Resources
18 OCI-C2: The Security Interface
Reference Diagram.Drivers
Regulatory
Retail
Cable Ready Digital Television
High Definition Television
Retail Cable Issues
Retail Opportunities
Summary of Approaches
System Architecture
Conditional Access System
Out-of-Band Communications
Two-Way Operation
One-Way Operation
DOCSIS Operation
The POD Module
POD Module Variants
POD Module Architecture
PCMCIA Compliance
MPEG-2 Transport Stream Interface
Out-of-Band Interface
CPU Interface
Content Protection
Why Is Content Protection Required? The Content Protection System
Content Protection System Integrity
POD Interface Copy Protection
Host Revocation
Applications
Digital Set-Top
Digital Set-Top with DOCSIS Cable Modem
Cable Ready Digital Television
Issues for Cable Ready Devices
Summary
References
Standards
Internet Resources

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