Shouldn't I have more packet loss then? Generally there is very little packet loss. Just jitter. I have no problem download files at 5Mb/S
On Sun, 2010-04-04 at 12:00 -0400, Simon P. Ditner wrote: > It may be that the line is too noisy to support the speed your ISP has > set it to. You can ask your ISP to reduce the speed to get better link > quality; ie 3mbit instead of 5mbit > > --- > Simon P. Ditner > > On 2010-04-04, at 11:03 AM, Darryl Moore <[email protected]> wrote: > > > Thanks David. Excellent point. I'll do that, but none the less, I'm > > pretty sure I haven't been maxing my upstream bandwidth. > > > > I'm pretty sure it's the DLAM which is introducing the latency > > issue, so > > the only control I have to deal with it is through jitter buffers, > > and I > > don't control the buffer at the other end. > > > > > > FYI I've done a little ping testing of both my DSL line and some of my > > clients' cable connections with 5 different remote servers including 2 > > VOIP providers. Here is a summary of the last two hours of mine and > > one > > of my clients. (all times are in mS) > > > > DSL > > ------------ Google ISP DNS VOIP VOIP > > Latency(min) 31 8 91 12 17 > > Latency(max) 132 105 313 111 103 > > Latency(avr) 47 20 109 24 29 > > Jitter(max) 89 96 112 98 85 > > Pkt Loss(max) 0 0 0 0 5 > > MOS(min) 3.7 3.8 3.0 3.7 3.8 > > > > > > cable > > ------------ Google ISP DNS VOIP VOIP > > Latency(min) 35 12 19 15 15 > > Latency(max) 62 25 26 20 20 > > Latency(avr) 38 13 20 15 15 > > Jitter(max) 22 12 7 5 5 > > Pkt Loss(max) 0 0 0 0 0 > > MOS(min) 4.1 4.2 4.2 4.2 4.2 > > > > As you can see the cable is rock solid, but the DSL has a lot of > > jitter, > > and this is a fairly good sample for the DSL. > > > > > > > > On Sun, 2010-04-04 at 10:10 -0400, David Cook wrote: > >> Darryl, one other point. > >> > >> Make sure you are setting your max outbound bandwidth ~10% less > >> than your > >> actual upstream bandwidth. If you _ever_ max this connection, the DSL > >> modem will buffer your packets and all QoS is for naught. > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
