UDP data transfer issue

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Rakesh 2023-2-6

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https://ww2.mathworks.cn/matlabcentral/answers/1907070-udp-data-transfer-issue

评论： Surya 2023-2-23

Hi all,

I have udp communication between two PC's using udp explorer App.

When we are writing from one PC to the other we observed that sometimes the data written is not able to receive on another PC.

Even the NoofBytesAvailable is showing 0 even when the data is sent multiple times(more than 10 times we have tried).

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Rakesh 2023-2-14

I am able to setup the udp explorer app properly.

Every time I am using the setup for the checks ,But I am facing the issue sometimes.

Surya 2023-2-23

There could be several reasons why the data written from one PC is not able to be received on the other PC in a UDP communication. Here are some possible causes to consider:

Network issues: UDP is a connectionless protocol, which means that packets are sent without any form of acknowledgement or verification that they have been received. This makes UDP faster than other protocols, but it also means that data can be lost or dropped without notice. Network issues, such as packet loss, can result in incomplete or missing data.
Firewall or security settings: Firewalls or security settings on either PC could be blocking the UDP packets from being received. Make sure that the appropriate ports are open and that the firewall settings allow UDP traffic.
System resources: If the PC that is receiving the UDP packets is overloaded or low on system resources, it may not be able to process all of the incoming packets. This can result in dropped packets or incomplete data.
Interference from other applications: Other applications running on either PC may be interfering with the UDP communication. Try closing unnecessary applications and see if the issue persists.

To troubleshoot the issue further, you can try the following steps:

Check the network connection between the two PCs. Try pinging the other PC and verify that there is no significant latency or packet loss.
Use a network traffic monitoring tool to capture and analyze the traffic between the two PCs.
Check the logs of the UDP Explorer app for any errors or warnings.
Try using a different UDP communication tool to see if the issue persists.
If none of the above steps resolve the issue, try contacting the technical support team for the UDP Explorer app or your network administrator for further assistance.

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