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Re-transmission issue (http request - response ) thanking too much time.

Satish Kumar50
Intellectual 540 points

Hi Experts,

We are running an application which send the http request/http response packets to/from the server (AWS server). The issue is request response is taking too much time and TCP server is initiating transmission packet.  PFA is the pcap files captured in the server side.

I have investigated the pcap file, and found that the client is sending small packets to the server and the server is asking for re-transmission of packet. Now during the re transmission, the server is getting the whole http request (the scenario before re transmission, the server is receiving small packet.)  

Below is the TCP module settings for DK-TM4C129X.  

The issue which I want to re-iterate is " The board (client) is sending small tcp packets instead of sending the http request in one go. TCP server (AWS server) is timeout and asking client for re transmission.  During the retranmission the http server is receiving the packet in one go." As a result, the there is a delay in request-response.

Could you please suggest possible solution to resolve above problem ?

Regards,

Satish

1401.TCP_dump.txt

  • 0
    TI__Genius 10825 points
    Hi Satish,

    Is the server timing out and closing the socket because its taking too much time? From your TCP dump file, I see the HTTP requests are getting back 200 OK response. So I missing something here. Can you please explain? Can please send me a pcap file instead of the text file. It would help me view in Wireshark and use Wireshark features to easily track the problem.

    Thanks,
    Vikram