[Winpcap-users] Unexpected Receive Rate Behavior in WinPcap

[Gianluca Varenni]

What is the rate of the transmission? Are you using pcap_send (or similar under jpcap) to send the packets? 

If so, you are probably controlling the rate by doing something like

for()
{
    pcap_send();
    sleep(interarrival);
}

Can you tell me if the delay of few seconds is for the call to pcap_send?

Have a  nice day
GV


  ----- Original Message ----- 
  From: Omar Abdul-Baki 
  To: winpcap-users at winpcap.org 
  Sent: Friday, March 23, 2007 7:56 AM
  Subject: [Winpcap-users] Unexpected Receive Rate Behavior in WinPcap


  Hello Everyone,
                     I'm having a small issue with a small application I wrote which uses jpcap; a java wrapper for Winpcap. I have written a client-server app in java. I'm using jpcap to listen and send packets from client to the server. My problem is that when I send a large burst of packets, 99% or so of the packets arrive at the rate they where sent, then there is a stall for a few seconds before the final ~1% packets are received. When I used Wreshark to monitor, I saw the same behavior. Has someone come across this problem before? Is this a known issue winpcap? 
   
  Thanks for your help,
  Omar


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