Re: [lwip-users] Netconn vs. raw API performance

2016-09-21 Thread Sergio R. Caprile
Netconn has more overhead than the RAW API. In scenarios where the eth pipe is faster than the micro, this extra overhead means extra latency and so less thruput. However, 2 seconds rtt is, how can I say it, a bit way too much ? Having "problems" with more than 128 bytes per message is another

[lwip-users] Netconn vs. raw API performance

2016-09-19 Thread TJO
Hi All, I'm currently testing our hardware with lwip 1.4.1, and I see a big performance difference between using Netconn API and the RAW api. For baseline I have used the LPCopen sample 'TCP echo Standalone' and 'TCP echo FreeRTOS' demo's. I have re-written the demos to connect to a server