introduction : the windows rtp quality monitor
DESCRIPTION
Introduction : The Windows RTP Quality Monitor. Speaker︰ Jui-Pang Chen Date︰ 2006/11/06. Instruction of RTP Monitor. Using 『Windows RTP Quality Monitor』 1. Windows XP Driver Driver.zip 2. Windows monitor application guimonitor.zip commandline.zip Download webpage - PowerPoint PPT PresentationTRANSCRIPT
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IntroductionIntroduction ::The Windows The Windows
RTP RTP Quality Quality MonitorMonitor
SpeakerSpeaker ︰ ︰ Jui-Pang ChenJui-Pang ChenDateDate ︰ ︰ 2006/11/062006/11/06
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Instruction of RTP MonitorInstruction of RTP Monitor• Using 『 Windows RTP Quality Monitor 』
• 1. Windows XP Driver – Driver.zip
• 2. Windows monitor application– guimonitor.zip– commandline.zip
• Download webpage– http://sourceforge.net/projects/rtpmonitor
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Installation of DriverInstallation of Driver• 1. Open the Control Panel • 2. Click "Network
Connections" • 3. Right click on "Local
Area Connection" and click on the "Properties"
• 4. Click the "Install.." button
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Installation of Driver (Cont.)Installation of Driver (Cont.)• 5. Click on the "Service"
and then click the "Add" button
• 6. Click the "Have Disk".• 7. choose the location of
the driver
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A RTP GUI quality monitorA RTP GUI quality monitor• Configuration
– Before using this monitor, please install the driver first.
• Open "RTPMonitor.exe"
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Explanation of nounsExplanation of nouns• Fraction (分數 ) ︰
– Quality of RTP packet• BYE (RTCP) ︰
– 表示一個或多個 media sources (SSRC or CSRC) 退出• SSRC (Synchronization Source) (RTP/RTCP)
– Meant to be globally unique within a session• SR (Sender Report) (RTCP)
– Header Info– Sender Info– Receiver Report Blocks
• RR (Receiver Report) (RTCP)– Issued by a participant who receivers RTP packets but does not
send, or has not yet sent• SDES (Source Description) (RTCP)
– Description related to a particular session participant• CNAME (Must contain a canonical name) (RTCP)
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Explanation of nouns (Cont.)Explanation of nouns (Cont.)• Jitter ︰
– Delay variation
• Calculation Jitter– Si =
• 第 i 個 RTP 封包的 timestamp– Ri =
• 收到第 i 個 RTP 封包的時間– The deviation in transit time
• D(i,j) = (Rj-Ri)-(Sj-Si) = (Rj-Sj) - (Ri-Si)– 每收到一個封包就計算
• J(i) = J(i-1) + (| D(i-1,i) | - J(i-1))/16– 會被包含在 SR 和 RR
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Color of traffic status lightColor of traffic status light• Green: Indicate that the current traffic quality is good.
(The fraction is below 10%)
• Yellow: Indicate that the current traffic quality is ok. (The fraction is between 10% and 30%)
• Red: Indicate that the current traffic quality is bad. (The fraction is higher than 30%)
• White: The monitor can't gather enough information to tell about the traffic quality.
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Packet DumpPacket Dump
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A RTP command-line quality monitorA RTP command-line quality monitor • Configuration
– Before using this monitor, please install the driver first.
• Open "RTPMONcommand.exe" • After Press 'S'
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A RTP command-line quality monitor (Cont.)A RTP command-line quality monitor (Cont.)
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ConclusionConclusion• What is the difference between GUI and command-line of
Fraction?– You can refer to source code.
• 什麼是這個軟體最能給與使用者有感覺的功能 ?– 從管理者角度來看傳輸的品質,一眼就能夠從顏色判斷品質好壞,就是蠻好的功能
• 他所呈現的資訊是否是你想要的 ?– Fraction, Jitter, Total Loss, number of packets
• .
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ReferenceReference
• Windows RTP Quality Monitor– http://sourceforge.net/projects/rtpmonit
or/
• rtpdump– http://wiki.ethereal.com/rtpdump