- IP TV contents comprise many service flows that need QoS policy that is different service-by-service. - Each service flow is composed of group of sessions. - NP discerns each service flows based on sessions established. - NP is adaptable to contingency situation occurring from new type of IP services.

| Network Processor | Gateway Switch | QoS Switch | NP Switch | QoS Management | GbE QoS Switch | QuoPin | sitemap |