SPB packet marking
classify = analysis(k frames)
if (classify == unvoiced)
if (classify == uv_transition)
Packet marking („0“, „+1“) is application-controlled (adaptive to expected loss concealment performance): 40-50% of packets marked with higher priority („+1“)Marking interface:Differentiated Services (offers required generic semantics at network edge; scales in the core by priority enforcement on flow aggregates)