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Networked AV Systems

Book Description

The industry-standard guide to networked audiovisual systems

Published with InfoComm International, Networked AV Systems discusses the essential information AV and IT professionals need to know when working with network-driven equipment and processes. Each chapter features diagrams, photos, notes, chapter reviews, and end-of-chapter questions with in-depth explanations. In accordance with InfoComm's performance standards for the AV industry as they relate to networking, this book serves as both an on-the-job reference and a study tool for the Certified Technology Specialist (CTS) exams.

Networked AV Systems covers:

  • Network classifications, topologies, architectures, and standards
  • Layers of a network
  • Bandwidth, encoding, and transport
  • Network building blocks
  • Designing a network for AV systems
  • Ethernet and AVB
  • Network addressing
  • Subnetting: networking AV devices together
  • Protocols, ports, and documenting AV devices
  • Audio and video streaming
  • Digital signage
  • Conferencing
  • Secure remote management and monitoring
  • Service level agreements
  • Network security
  • Troubleshooting networked systems

Table of Contents

  1. Cover
  2. Networked AV Systems
  3. Copyright Page
  4. ABOUT THE AUTHOR
  5. CONTENTS AT A GLANCE
  6. CONTENTS
  7. Foreword
  8. Acknowledgments
  9. PART I Getting Started
    1. Chapter 1 What Is a Network?
      1. Defining the Modern Network
      2. Why Use a Network?
      3. Network Classifications
        1. Local Area Networks
        2. Wide Area Networks
        3. Private and Public WANs
      4. Network Topologies
        1. LAN Topologies
        2. WAN Topologies
        3. Wireless Topology
      5. Network Architectures
        1. Client-Server Architecture
        2. Peer-to-Peer Architecture
        3. Hybrid Architectures
      6. Network Standards and Organizations
      7. Chapter Review
        1. Review Questions
        2. Answers
    2. Chapter 2 Layers of a Network
      1. The OSI Model
        1. Layers of the OSI Model
      2. Physical Layer Transmission Media
        1. Copper
        2. Fiber Optics
        3. Wireless Transmission
        4. Common Transmission Media Problems
      3. The Physical Layer and Networked AV Systems
        1. Category (CAT) Cabling
        2. Fiber-Optic Cabling
      4. Long-Distance Communication Media
      5. Data Link Layers and Networked AV
        1. AV Data Link Protocols
        2. Why Pro AV Needs Its Own Protocols
      6. Chapter Review
        1. Review Questions
        2. Answers
    3. Chapter 3 Bandwidth, Encoding, and Transport
      1. Bandwidth
        1. Baseband
        2. Broadband
      2. Encoding
        1. Analog-to-Digital Encoding
        2. Encoding Digital Signals for Transmission
      3. Data Transmission
        1. Simplex Communication
        2. Duplex Communication
      4. Chapter Review
        1. Review Questions
        2. Answers
    4. Chapter 4 Network Building Blocks
      1. Networking Components
        1. Switches versus Hubs
        2. Blended Machines
        3. NIC Card and MAC Addresses
      2. Network Operating Systems
        1. Windows Servers
        2. UNIX
      3. Servers
        1. Server Components
        2. Web Servers and Services
        3. File Servers
        4. Data Servers
        5. Email Servers
        6. Network Time Protocol Server
      4. External Storage Systems
        1. Network-Attached Storage
        2. Virtual Machines
      5. Chapter Review
        1. Review Questions
        2. Answers
    5. Chapter 5 Designing a Network for AV Systems
      1. The Needs Analysis
        1. The Network Needs Analysis
        2. The Customer Is Not Always Right
        3. Customer Readiness
      2. Physical and Logical Design
        1. Physical Topology
        2. Planning Structured Cabling
        3. Organizational Structure
        4. Electrical and HVAC Considerations
      3. Ensuring Security
        1. Risk-Management Frameworks
        2. Mitigation
        3. Risk Analysis
        4. Confidentiality, Integrity, and Availability
        5. Ensuring Quality
        6. Fault Tolerance
        7. Quality of Service
        8. Differentiated Service Categories
      4. Implementation
        1. Developing a Timeline
        2. Training
        3. Documentation
      5. Chapter Review
        1. Review Questions
        2. Answers
  10. PART II Networking for AV
    1. Chapter 6 Ethernet, AVB, and More
      1. What Is Ethernet?
      2. Ethernet Speeds
        1. 10 Mbps Ethernet
        2. 100 Mbps Ethernet
        3. Gigabit Ethernet
        4. 10 Gigabit Ethernet
        5. 40/100 Gigabit Ethernet
      3. Audio Video Bridging (AVB)
        1. Ethernet Requirements and Capabilities
        2. AVB Topologies
      4. EtherSound
        1. Ethernet Requirements and Capabilities
        2. EtherSound Topologies
        3. EtherSound Latency
      5. CobraNet
        1. Ethernet Requirements and Capabilities
        2. CobraNet Topologies and Latency
      6. Dante
        1. Ethernet Requirements and Capabilities
        2. Dante Topologies and Latency
      7. Q-Sys
        1. Ethernet Requirements and Capabilities
        2. Q-Sys Topologies and Latency
      8. Chapter Review
      9. Review Questions
      10. Answers
    2. Chapter 7 Network Addressing
      1. The TCP/IP Stack
        1. Address Resolution Protocol
        2. Internet Protocol
        3. Internet Control Messaging Protocol (ICMP)
      2. IP Addresses
        1. Decimal Numbering
        2. Binary Numbering
        3. Hexadecimal Numbering
      3. IPv4 Addressing
        1. IPv4 Netmask
        2. Network Classes and Classless Interdomain Routing
      4. IPv6 Addressing
        1. IPv6 Netmasks
      5. Types of IP Addresses
        1. Global IP Addresses
        2. Private Addresses
        3. IPv4 Broadcast Addresses
        4. IPv6 Multicast Addresses
        5. Loopback Addresses
      6. IP Address Assignment
        1. Dynamic Host Configuration Protocol
      7. Naming Services
        1. Hosts Files
        2. DNS
      8. Chapter Review
        1. Review Questions
        2. Answers
    3. Chapter 8 Subnetting: Networking AV Devices Together
      1. Network Segments
        1. Collision Domains
        2. Broadcast Domains
        3. Subnets
        4. Virtual LANs
        5. Requesting a VLAN
      2. Subnetting
        1. The Subnet Mask
        2. Subnetting in Practice
        3. Subnetting within an Organization
      3. Calculating IPv4 Subnets: CIDR Notation
      4. Calculating IPv4 Subnets: Dot-Decimal Notation
      5. Calculating Hosts on IPv4 Subnets
      6. Determining Subnets for IPv4 Addresses
      7. IPv6 Subnetting
        1. IPv6 Subnet Masks
        2. Calculating Subnets for IPv6 Networks
        3. Calculating Hosts on IPv6 Subnets
      8. Chapter Review
        1. Review Questions
        2. Answers
    4. Chapter 9 Protocols, Ports, and Documenting AV Devices and Protocols
      1. Transport Layer Protocols
        1. TCP Transport
        2. UDP Transport
      2. Routing Protocols
      3. Ports
      4. Identifying Protocols and Ports
        1. Networked Device Inventory
      5. Chapter Review
        1. Review Questions
        2. Answers
  11. PART III Networked AV Applications
    1. Chapter 10 Audio and Video Streaming
      1. Streaming AV Needs Analysis
        1. Streaming Tasks
        2. Audience
        3. Endpoints
        4. Content Sources
        5. Using Copyrighted Content
        6. Cheat Sheet: Streaming Needs Analysis Questions
      2. Streaming Media and the Networking Environment
        1. Topology
        2. Bandwidth: Matching Content to the Network
        3. Streaming and Quality of Service
        4. Latency
        5. Network Policies and Restrictions
        6. Cheat Sheet: Streaming Network Analysis Questions
      3. Digital Content Bandwidth
        1. Digital Audio Bandwidth
        2. Digital Video Bandwidth
        3. Bandwidth: Total Program Size
        4. Image Quality vs. Available Bandwidth
      4. Content Compression and Encoding
        1. Codecs
        2. Digital Audio Compression: MP3
        3. Digital AV Compression
        4. Choosing a Codec
        5. High-Quality Streaming Video
        6. Achieving High-Quality Compressed Images
        7. Transcoding and Intelligent Streaming
      5. Designing the Streaming System
        1. Other Streaming Protocols
        2. Unicast and Multicast
        3. Implementing Multicast
        4. Multicast Addressing
        5. Video on Demand
      6. Technologies for Delivery of Streaming Media
        1. Encoders
        2. Decoders
        3. Streaming Servers
        4. Caching Servers
        5. Endpoint Interface
      7. Chapter Review
        1. Review Questions
        2. Answers
    2. Chapter 11 Digital Signage
      1. Digital Signage Basics
        1. Elements of Digital Signage
        2. Digital Signage Control
        3. Digital Signage Content
        4. Content Configuration
      2. The Digital Signage System
        1. Digital Signage Players
        2. Digital Signage Management
      3. A Sample Digital Signage Network
      4. Chapter Review
        1. Review Questions
        2. Answers
    3. Chapter 12 Conferencing
      1. Conferencing Needs Analysis
        1. Audience
        2. Endpoints
        3. Content
        4. Related Applications
        5. Bandwidth Availability
        6. Latency
        7. Network Policies
      2. Placing the Call
        1. Conferencing Session Protocols
        2. Gatekeepers and Servers
        3. Routing Modes
        4. Where to Install a Gatekeeper or SIP Server
      3. Calling Multiple Endpoints
        1. Multipoint Control Units
        2. Conferencing Endpoints
        3. Directory Integration
        4. E.164 Addressing
        5. Conferencing as a Stream
        6. SIP and Unified Communications
        7. Types of Conferencing Media
        8. Digital Audio Standards: ITU
        9. Conferencing and Bandwidth
        10. Dedicated Network Links for Videoconferencing
        11. Videoconferencing Latency
        12. Mitigating Videoconferencing Bandwidth Requirements
        13. Gatekeeper/SIP Server Business Rules
      4. Calling Across Networks
        1. H.323-SIP Internetworking
        2. Gateways
        3. Creating a Dial Plan
        4. External Conferencing Strategies
      5. Chapter Review
        1. Review Questions
        2. Answers
    4. Chapter 13 Secure Remote Management and Monitoring
      1. Introduction to the Remote Management and Monitoring System
        1. Simple Network Management Protocol
        2. Management Information Base and SNMP
        3. Alternatives to SNMP Communication
        4. Basic Reporting
        5. System Configuration
        6. Security and Troubleshooting
      2. Planning a Remote Management and Monitoring System
        1. Management System Architecture
        2. Remote Management and Monitoring Access and Reporting Methods
        3. Alarm Notification and Response Plan
        4. Required Ports and Protocols
      3. Scoping Remote Management and Monitoring System
        1. Determine What Data to Monitor
        2. Integrate Devices
        3. Determine Data Retention and Redundancy Requirements
        4. Implications of Cloud-Based Monitoring
      4. Chapter Review
        1. Review Questions
        2. Answers
  12. PART IV Ensuring Exceptional AV Experiences
    1. Chapter 14 Service-Level Agreements
      1. Get Acquainted with Service-Level Agreements
        1. SLAs Set Expectations
        2. Service Providers
        3. Types of Service-Level Agreements
      2. Discovering SLA Requirements
        1. The AV Pro’s Role in an SLA
        2. Components of a Service-Level Agreement
        3. SLA Template
      3. Areas of AV Focus in an SLA
        1. Bandwidth
        2. Quality of Service (QoS)
        3. Latency
        4. Packet Loss
      4. Chapter Review
        1. Review Questions
        2. Answers
    2. Chapter 15 Network Security
      1. Vulnerabilities and Threats
        1. Network Vulnerabilities
        2. Social Vulnerabilities
        3. Network Threats
      2. Common Network Risks
        1. Denial of Service
        2. Masquerade Attacks
        3. Malware
      3. Security Tools
        1. Firewalls
        2. Application Layer Gateways and Session Border Controllers
        3. Third-Party Security Tools
      4. User Authentication
        1. Network Access Control
        2. User Authentication Protocols
        3. Access Control List
      5. Secure Transmission
        1. Secure Sockets Layer and Transport Layer Security
        2. Secure Shell and Secure Copy Protocol
      6. Virtual Private Networking
      7. Wireless Security
        1. Weak Wireless Security Measures
        2. Wireless Security Protocols
      8. Chapter Review
        1. Review Questions
        2. Answers
    3. Chapter 16 Troubleshooting Networked AV Systems
      1. Troubleshooting Methodology
        1. Symptom Recognition and Elaboration
        2. Listing and Localizing Faulty Functions
        3. Failure Analysis
      2. Network Infrastructure Troubleshooting Tools
        1. Network Cable Tester
        2. Tone Generator
        3. Optical Time-Domain Reflectometer
        4. Wireless Network Tester/Analyzer
        5. NIC Loopback Tester
        6. Network Protocol Analyzer
      3. Troubleshooting with TCP/IP Utilities
        1. Ping
        2. Traceroute
        3. Netstat
        4. Ipconfig and Ifconfig
        5. Address Resolution Protocol Command Tool
        6. Name Server Lookup
      4. Troubleshooting Windows NT and UNIX-Based Operating Systems
      5. Network Maintenance
        1. Maintaining System Software
        2. Maintaining System Hardware
      6. Chapter Review
        1. Review Questions
        2. Answers
  13. Appendix Networked AV Systems Project
    1. Project Expectations and Requirements
    2. Project Assumptions
    3. Networked Device Inventory/Ports and Protocols
    4. Network Topology/Addressing/Subnetting
    5. Streaming Bandwidth
    6. Digital Signage Strategy
    7. Security Requirements
    8. Videoconferencing/Firewall Strategy
    9. Secure Remote Management and Monitoring Requirements
    10. Service-Level Agreements
  14. Glossary
  15. Index