nanog mailing list archives
Re: The Qos PipeDream [Was: RE: Two Tiered Internet]
From: Joe Maimon <jmaimon () ttec com>
Date: Sun, 18 Dec 2005 17:29:26 -0500
Jay Hennigan wrote:
VoIP by design will have high PPS per connection as opposed to data flows. At 20 ms sample rates you have 50 pps regardless of the CODEC or algorithm.Increasing the time per sample to 40 ms would cut this in half but the addedlatency would result in degraded quality. In addition, longer sample times would suffer much more degradation if there is packet loss.
My point is that sampling length should take into effect the rtt. A rtt of 200ms tolerates far shorter sampling slices than does 20ms.
Current thread:
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet], (continued)
- Message not available
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] David Meyer (Dec 15)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Marshall Eubanks (Dec 15)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Christopher L. Morrow (Dec 15)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] David Meyer (Dec 15)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Christopher L. Morrow (Dec 15)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Mark Smith (Dec 16)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Michael . Dillon (Dec 16)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Chris Woodfield (Dec 18)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Joe Maimon (Dec 18)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Jay Hennigan (Dec 18)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Joe Maimon (Dec 18)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Mikael Abrahamsson (Dec 18)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Joe Maimon (Dec 18)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] tony sarendal (Dec 18)
- Message not available
- RE: The Qos PipeDream [Was: RE: Two Tiered Internet] Christopher L. Morrow (Dec 16)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Stephen Sprunk (Dec 16)
- RE: The Qos PipeDream [Was: RE: Two Tiered Internet] Sean Donelan (Dec 16)
- Re: The Qos PipeDream Florian Weimer (Dec 16)