MPLS: DiffServ & TE paths are really required to deploy commercial VoIP over a MPLS network.

There's something I'd like to know looking toward successfully implement commercial VoIP over a MPLS infrastructure.

Supporting IP QoS (DiffServ) across the core backbone and/or MPLS traffic-engineered paths is really required ? Consider a whole backbone built with high speed throughput connections, plenty of bandwidth availability and no periods of congestion!

I do believe TE tunnels (paths) are necessary for quick recovery when a node or link fails, but rather them assuming something I haven't experienced yet I'd like to listen from those who really have already successfully deployed commercial VoIP.

Best regards.


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