Why choosing AF_XDP (busy polling) over DPDK

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Subject: Why choosing AF_XDP (busy polling) over DPDK
From: Federico Parola <federico.parola@xxxxxxxxx>
Date: Wed, 14 Dec 2022 09:08:15 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2

Hello everyone,

in a context in which all traffic is sent to user space, and the mainconcern is performance (so AF_XDP busy polling is the best candidate),is there a reason to choose AF_XDP instead of DPDK for packet I/O, giventhat the latter is still much faster?


Best regards,
Federico Parola

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