Research Article

Providing QoS for Networked Peers in Distributed Haptic Virtual Environments

Table 1

Different traffic types parameters [2, 3, 27, 28].

TrafficCharacteristicsQoS requirements

Haptic Transmission rate of 1000 packet/secDelay 50 ms
Constant packet rateThroughput 500 kbps–1 Mbps
Sensitive to jitter and delayJitter 2 ms
Packet loss 10%

VoiceAlternating talk spurtsDelay 150 ms
Throughput 22 kbps–200 kbps
Silence intervalJitter 30 ms
Talk-spurts produce constant packetPacket loss 1%

VideoHighly bursty trafficDelay 400 ms
Long-range dependenciesThroughput 2.5 Mbps–5 Mbps
Jitter 30 ms
Packet loss 1%

DataPoisson typeZero or near-zero packet loss
Long-range dependenciesDelay may be important