A DiffServ Architecture for QoS-Aware Routing for Delay-Sensitive and Best-Effort Services in IEEE 802.16 Mesh Networks

Table 1

Comparison of Routing Metrics.

Characteristics	HC	ETX	ETT	ML	ESD
Quality-Aware	×	✓	✓	✓	✓
Cross-Layer Support	×	×	×	×	✓
Link-load consideration	×	×	×	×	✓
Delay consideration	×	×	×	×	✓
Congestion Avoidance	×	×	×	×	✓