Additional materials

Operational appendices. They describe how to scale OTT delivery through caching proxies and CDN, how to connect external monitoring systems and tune the node for large installations, which Intel hardware is required for hardware transcoding, how to pass alerts to external scripts, and how to manage the node from outside: the HTTP API, the structure of the settings file, and how to edit it and carry it over. At the end comes the list of alerts with their codes and tokens.

• Caching and CDN for OTT delivery
  • 1. Caching model
  • 2. Client behaviour
  • 3. Special mechanisms
  • 4. Request parameters
  • 5. Load characteristics
  • 6. Nginx as a caching reverse proxy
  • 7. Client-side caching
  • 8. Delivery through a CDN
  • 9. Monitoring
  • 10. Diagnostics
  • 11. Security
  • 12. Middleware integration
• Connecting external monitoring systems
  • Files
  • Installation
  • Configuration
  • Quick start
  • Metric paths
  • Zabbix integration
  • Prometheus integration
  • Telegraf / InfluxDB integration
  • HTTPS and authentication
  • Exit codes
  • Troubleshooting
• External scripts for alerts
  • Channel settings
  • How the command is run
  • What the script receives
  • When the script runs
  • Queue and order
  • Result, timeout and log
  • Security
  • Template for /bin/sh
  • Template for Python 3
  • Installation and testing
  • Common problems
• Node performance tuning
  • CPU load
  • Memory
  • Statistics and EPG databases
• Intel VPL transcoder: supported hardware
  • Two Intel runtimes
  • Codecs
  • Cut-down Atom hardware: not supported
  • What must be installed
  • How to check
• Managing the node over the HTTP API
  • Access
  • What the API is made of
  • How errors arrive
  • Changes that need a restart
  • The API or the settings file
  • Reference documents
• The pss.json settings file
  • What this file is
  • The file holds only the differences from the defaults
  • The structure of the document
  • What the service does when it reads the file
  • Rules that are not visible in the file
  • Values that must not be passed on
  • Checking against the JSON Schema
  • Compatibility between versions
• Editing, checking and carrying the settings
  • What you will need
  • Changing a parameter
  • Carrying the settings to another version
  • Carrying the settings to another node
  • The checks the schema does not do
  • Recovering after a refused file
  • Hints in the editor
  • In short
• List of alerts
  • Streams: state and work cycle
  • Transport stream compliance (TR 101 290)
  • Node resources and hardware
  • Meshwork and node life cycle
  • DVR recording
  • Configuration, transcoders, OTT, certificates and licence
  • Descrambling: CI/CAM and BISS