On 04/11/2008, at 7:10 PM, muhammad akl wrote: > Sorry for being late in response Christoph, > > Well About the tools that I used to measure the rates , they were > the vic itself and system monitor which comes by default with Ubuntu > > and here is a screenshot belongs to the Receiving machine : > > http://muhammad.akl.googlepages.com/acc.png > > I tried to perform the steps you suggested but i got some errors , > So I will try again and will inform you about the results .
Muhammad, When you run the tests, could you shut down any other applications please? I noticed in your screenshot that Ekiga was also running at the time - that may have had some some strange side effect. chris > On Wed, Oct 29, 2008 at 1:22 AM, Christoph Willing > <[email protected]> wrote: > > On 26/10/2008, at 6:16 PM, muhammad akl wrote: > [snip] > > After All the words mentioned UP , now the video is working fine > here and the sending and receiving machines are working so fine > except minor problem like i should disable and enable the producer > Service from time to time (I believe it's due to my network traffic) . > > But The New problem here which happend today (I was doing all these > tests mentioned in the previous mail yesterday) when the second > machine starts to receive video , the whole operating System > (ubuntu) hangs ! I thought the problem was a hardware issue , so I > changed the producer machine to be a Consumer and made the Consumer > to be a producer , but got the same result , the Consumer machine > hanged also after it received the Video , this problem didn't > appear yesterday . > > So What do you think about this problem ? hardware issues ? > > Also noticed something strange : the producer machine sends the DV > streams at 29 Mbps while the Consumer machine receives the DV > streams at more than 100 Mbps !! > > > Muhammed, > > I haven't been able to replicate this problem. The sending rate is > about right but the receiving rate should be the same, not more > than 3 times greater. How are you measuring the date rate - from > vic itself or some other tool? > > Can you try running a stream point to point separate from AG? i.e. > shutdown VenueClient on both machines, then cd to ~/.AccessGrid3/ > local_services/SimpleHDVideoService and on the sending machine run: > ./runDVslow address/port > where address/port means the IP address of the receiving machine > and port is some highish number e.g. 45678 > > On the receiving machine, cd to same directory (or > SimpleHDVConsumerService) and run: > ./vic address/port > where address is the IP address of the sending machine and port is > the same number you chose when running the sending stream. > > How are your send & receive data rates? > > If the data rates seem sane, then the next step is to try the same > test but replacing the IP addresses of the test machines with some > arbitrary multicast address e.g. on the sending machine: > ./runDVslow 233.45.67.89/45678 > and on the receiving machine: > ./vic 233.45.67.89/45678 > > How are the data rates on both machines now? > > > > chris > > > > Christoph Willing +617 3365 8350 > QCIF Access Grid Manager > University of Queensland > > > > > Christoph Willing +617 3365 8350 QCIF Access Grid Manager University of Queensland
