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Dear All,<BR>
<BR>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman" color=#000000 size=3>Thank you very much for your quick response!</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="Times New Roman" color=#000000 size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">>First, you should make sure that your network has sufficient <BR>>bandwidth for your data stream.<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT face="Times New Roman" size=3>I used the ¡°iperf¡± to check the Bandwidth between the PCs which have 3.8 Mbits/sec<BR><SPAN style="mso-spacerun: yes"> </SPAN><BR>>However, packet loss can be caused by insufficiently large socket <BR>>reception buffers in the receiver's OS. See <BR>><</FONT><A href="http://lists.live555.com/pipermail/live-devel/2007-May/006798.html" target=_blank><U><FONT face="Times New Roman" color=#800080 size=3>http://lists.live555.com/pipermail/live-devel/2007-May/006798.html</FONT></U></A><FONT size=3><FONT face="Times New Roman">> <BR>>for a tip on how you may be able to overcome this.<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">According to your tips, I have tried to increase the size to 2,000,000. One more question, is it same as to use ¡°-B <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="2000000" UnitName="¡±">2000000¡±</st1:chmetcnv>? Anyway, the packet losses are still (lost 10%) happened.<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">I have a funny finding. I had tried to change the PC to be a server or client. <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">Case 1: <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">P4 <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1.5" UnitName="g">1.5G</st1:chmetcnv> (server)<SPAN style="mso-spacerun: yes"> </SPAN>><SPAN style="mso-spacerun: yes"> </SPAN>IBM T40 & Acer dual-core (Client ) = 10% lost<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">Case 2: <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">IBM T40 (server)<SPAN style="mso-spacerun: yes"> </SPAN>> P4 <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1.5" UnitName="g">1.5G</st1:chmetcnv> & Acer dual-core (Client ) = <1% lost<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">Case 3: <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">Acer dual-core (server) > IBM T40 & P4 <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1.5" UnitName="g">1.5G</st1:chmetcnv> (Client) = 10% lost<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">** Other hardware setup and connection are the same.<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">One the other hand, the packet loss only happened in the ¡°Video¡± part only , The Audio have no loss. <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">begin_QOS_statistics<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">server_availability<SPAN style="mso-spacerun: yes"> </SPAN>100<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">stream_availability<SPAN style="mso-spacerun: yes"> </SPAN>100<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">subsession<SPAN style="mso-spacerun: yes"> </SPAN>video/MPV<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">num_packets_received<SPAN style="mso-spacerun: yes"> </SPAN>36952<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">num_packets_lost<SPAN style="mso-spacerun: yes"> </SPAN>3718<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">elapsed_measurement_time<SPAN style="mso-spacerun: yes"> </SPAN>359.000749<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kBytes_received_total<SPAN style="mso-spacerun: yes"> </SPAN>46816.360000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">measurement_sampling_interval_ms<SPAN style="mso-spacerun: yes"> </SPAN>1000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kbits_per_second_min<SPAN style="mso-spacerun: yes"> </SPAN>843.226941<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kbits_per_second_ave<SPAN style="mso-spacerun: yes"> </SPAN>1043.259328<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kbits_per_second_max<SPAN style="mso-spacerun: yes"> </SPAN>1214.184499<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">packet_loss_percentage_min<SPAN style="mso-spacerun: yes"> </SPAN>0.000000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">packet_loss_percentage_ave<SPAN style="mso-spacerun: yes"> </SPAN>9.141874<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">packet_loss_percentage_max<SPAN style="mso-spacerun: yes"> </SPAN>23.636364<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">inter_packet_gap_ms_min 0.041000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">inter_packet_gap_ms_ave 9.715226<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">inter_packet_gap_ms_max 134.576000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">subsession<SPAN style="mso-spacerun: yes"> </SPAN>audio/MPA<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">num_packets_received<SPAN style="mso-spacerun: yes"> </SPAN>13737<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">num_packets_lost<SPAN style="mso-spacerun: yes"> </SPAN>0<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">elapsed_measurement_time<SPAN style="mso-spacerun: yes"> </SPAN>359.000749<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kBytes_received_total<SPAN style="mso-spacerun: yes"> </SPAN>10102.583000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">measurement_sampling_interval_ms<SPAN style="mso-spacerun: yes"> </SPAN>1000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kbits_per_second_min<SPAN style="mso-spacerun: yes"> </SPAN>182.313991<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kbits_per_second_ave<SPAN style="mso-spacerun: yes"> </SPAN>225.126728<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">kbits_per_second_max<SPAN style="mso-spacerun: yes"> </SPAN>252.993771<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">packet_loss_percentage_min<SPAN style="mso-spacerun: yes"> </SPAN>0.000000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">packet_loss_percentage_ave<SPAN style="mso-spacerun: yes"> </SPAN>0.000000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">packet_loss_percentage_max<SPAN style="mso-spacerun: yes"> </SPAN>0.000000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">inter_packet_gap_ms_min 0.871000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">inter_packet_gap_ms_ave 26.122219<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">inter_packet_gap_ms_max 260.199000<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">end_QOS_statistics<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">Can I did something to solve the packet loss problem?<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">Thank you very much!<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: #444444"><FONT size=3><FONT face="Times New Roman">KL Fung<o:p></o:p></FONT></FONT></SPAN></P>
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