Delivering reliable high quality multimedia services requires strict control over the Quality of Service (QoS) parameters including bandwidth, latency, jitter and Packet Error Rate (PER).
The CopperStream™ protocol layer provides a mechanism that is compatible with RSVP-like protocols that specifies explicit traffic and rate parameters for each service and not just a relative ordering of packets.

QoS Parameters:

• Bandwidth
  • Impacts mainly the VoD quality
  • HomePNA V3.1 automatically allocates the required bandwidth for the service
• Latency
  • Impacts mainly on VoD responsiveness and VoIP service quality
  • CopperStream™ performance: <10mS
• Jitter
  • Impact mainly on video and voice quality
  • CopperStream™ performance: <1mS
• PER
  • Impacts mainly on video quality
  • CopperStream™ performance: <10-7 PER (~10-11 BER)

Highlights of the main QoS features supported by CopperStream™:

• Supports both relative (priority-based) and guaranteed (parameter-based) QoS
• Deterministic bandwidth, latency, jitter and packet error rate
• Resource Reservation
• Dynamic Bandwidth Allocation (DBA™)
• Traffic classification filters for service identification