MPLS VPN QoS Potential Service Model
Expedited Forwarding (EF) PHB
- RFC 2598 Expedited Forwarding PHB
- Voice traffic
Assured Forwarding (AF) PHB
- RFC2597 Assured Forwarding PHB
- Olympic Service (Gold, Silver, Bronze)
- Gold (C1) >= Silver (C2) >= Bronze (C3)
Based on Class-Selector Code Points offers 4 classes each with up to two drop priorities/class