hi tim nelson The quality depends on the networking speed|latency. With the G.723 codec even a rather slowish VPN connection is very usable
On Thu, Sep 18, 2008 at 6:31 PM, Tim Nelson <[EMAIL PROTECTED]> wrote: > Ping times are "normal" at anywhere between <1ms to 2ms. Using DD, I > created a 1GB file to download via HTTP through the tunnel. It started at > about 2.2mbit and slowly ramped up. The peak speed was around 3.4mbit. > > I kept an eye on the CPU and memory usage during the transfer. OpenVPN > definitely used more CPU time but still didn't max out the box: > > PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND > 10815 root 1 111 0 2424K 2136K RUN 0:58 47.01% openvpn > > Memory usage stayed about the same. Even during the transfer, my constant > ping was within sub 6ms times. > > One of the nics is an intel pro/100 desktop adapter in a PCI slot, the > other is an onboard VIA Rhine adapter. I know the Rhine adapters aren't > exactly "good" :-/ so I may try another NIC instead. It would not explain > why SIP traffic is funky while everything else is fine, but at least it's > something to try. > > --- > Tim Nelson > RockBochs Inc. > > ----- "David Rees" <[EMAIL PROTECTED]> wrote: > > > On Thu, Sep 18, 2008 at 12:25 PM, Vivek Khera <[EMAIL PROTECTED]> > > wrote: > > >> Depending on bandwidth requirements, we may eventually use G.729 > > but we're > > >> currently testing in our lab on a completely unloaded 100mbit > > network. > > > > > > G.729 also handles higher latency well. But still, your latency is > > under > > > 150, which shouldn't affect G.711u so much. > > > > I think the point is that there should only be a couple ms of latency > > introduced by using an openvpn connection. > > > > Tim, how are ping times across the tunnel? How fast can you copy > > files > > across it? > > > > I'm using some openvpn tunnels and haven't had any weird latency > > issues with them. > > > > -Dave > > > > --------------------------------------------------------------------- > > 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] > >
