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Altera_Forum
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14 years ago

UDP delay to send

Hi, I am using NicheStack with the Altera Cyclone III NiosII Embended Evaluation kit. My application principale is to get measurements and send it each 1ms with UDP_send(). I have done it. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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The udp_send() allocated packet buffer in memory, so it definitely use the memory for checksum calculation and other processing.

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Yes sorry, I meant buffer in the sense of something that would keep one or several UDP packets and wait for something to happen before sending them (as can be seen on some TCP streams). There are of course memory buffers involved in a UDP packet sending process, but nothing that would cause a delay and packets suddenly sent in bursts.