nanog mailing list archives
Re: The Qos PipeDream [Was: RE: Two Tiered Internet]
From: Mikael Abrahamsson <swmike () swm pp se>
Date: Fri, 16 Dec 2005 18:03:57 +0100 (CET)
On Fri, 16 Dec 2005, Stephen Sprunk wrote:
Adaptive jitter buffers are old technology; Skype is hardly the first company to use them. Most phones and softphones have them; it's the gateways at the other end that are usually stuck with static ones.
Personally I find the delay of the mobile phones (200ms or so) annoying enough and with just a static 40ms buffer you end up with 80ms of RTT in the jitterbuffer alone, adding some access technologies like SHDSL or alike it's easily over 100ms, compared to less than 20-30ms for a regular call within a region.
I am not a QoS buff, but it packet prioritization does have it's place, even if it's only WFQ.
-- Mikael Abrahamsson email: swmike () swm pp se
Current thread:
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet], (continued)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] John Kristoff (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] John Kristoff (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] Randy Bush (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] Randy Bush (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] Mikael Abrahamsson (Dec 16)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Stephen Sprunk (Dec 16)
- Re: The Qos PipeDream [Was: RE: Two Tiered Internet] Mikael Abrahamsson (Dec 16)
- 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)