On Tue, Jan 5, 2010 at 9:49 PM, mehma sarja <[email protected]> wrote:
> PROBLEM > On most evenings around 9 pm, I get service dropouts and accompanying > packet loss. I literally see chopping in traffic graphs. Some nights, we > just give up and go to bed. Tonight it is fine. > > It is probably Verizon's DSL card getting too much use. However, this > highlights my inability to fully understand the rrd quality graphs. > > HELP > Please clear somethings up for me: > a. High spikes are not good cuz the higher the tower, the more latency > (milliseconds) (yes/no)?_____________________ > > b. If the spikes persist, we get packet loss (yes / no)? > ___________________ > > c. If spikes do not correlate to packet loss, what causes packet loss? > _________________________________ > > d. On the "y" coordinate, what does the "%" symbol mean? > ___________________________________________ > > Mehma > a: Yes, higher latency usually lowers perceived speed of the connection b: Spikes are simply increased latency, not necessarily packet loss. c: If its a DSL line, anything from line noise to your upstream provider having issues to a problem with your house wiring. d: %packet loss, negative values on the graph in red mean packet loss in percent, and there will be nothing in the positive range. Hope that helps
