网络抖动分析仪
我正在开发使用 RTP 协议通过 IP 网络发送 MPEG 视频的应用程序。 为了测试它，我正在寻找一个可以测量网络抖动、识别 RTP 数据包重新排序事件并将结果显示为图表的软件工具。
非常感谢任何帮助。
I'm developing the application that sending MPEG video over IP network using RTP protocol.
In order to test it I'm looking for a software tool that can measure network jitter, recognize RTP packets reordering events and show results as a graph.
Any help is highly appreciated.
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您可以进行跟踪，然后在 Wireshark 中对其进行分析。一开始它可能无法识别 RTP 流（它不知道端口号），但您可以选择一个数据包并选择“解码为.. RTP”。之后，进入“电话/RTP/流分析”，您将获得全面的 RTP 统计数据。
You can do a trace and then analyze it in Wireshark. Probably it won't recognize the RTP streams at first (it doesn't know the port number), but you can select one packet and choose 'Decode As.. RTP'. After that, go to 'Telephony / RTP / Stream Analysis' and you will get comprehensive RTP statistics.
解决方案是使用Wireshark：打开主菜单->电话->RTP->流分析...
更多信息如下：http://wiki.wireshark.org/RTP_statistics
The solution is to use Wireshark: Open Main menu->telephony->RTP->Stream analysis...
More information is here: http://wiki.wireshark.org/RTP_statistics
@Dima，如果您正在寻找能够测量网络抖动的软件工具，我建议您查看 http://www.netrounds .com。这是一个云控制的软件解决方案，用于 IPTV MPEG 传输监控，符合 ETR 101 290。您可以测量 PCR 和 RTP 抖动。
RTP 抖动将显示传输路径中的任何网络抖动问题，而 PCR 抖动还包括编码/转码引入的任何抖动。
Netrounds 有一个免费版本，支持同时监控两个 IPTV MPEG 传输流（通道）。探针/代理通过发送到相应多播组的 IGMP 加入消息来接收通道。
免责声明：我隶属于 Netrounds。
@Dima, if you are looking for a software tool capable of measuring network jitter, I suggest you check out http://www.netrounds.com. This is a cloud-controlled software solution for IPTV MPEG transport monitoring in line with ETR 101 290. You can measure both PCR and RTP jitter.
RTP jitter will show any network jitter problems in your transport path, whereas PCR jitter will also include any jitter introduced by encoding/transcoding.
There is a free version of Netrounds available that supports monitoring of two IPTV MPEG transport streams (channels) concurrently. Channels are received by the probe/agent by IGMP join messages sent to the corresponding multicast groups.
DISCLAIMER: I am affiliated with Netrounds.