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Re: [RARE-users] UDPDK


Chronological Thread 
  • From: mc36 <>
  • To: "Moises R. N. Ribeiro" <>
  • Cc: diego rossi mafioletti <>, gabrieltetznermenegueti16 <>, Everson Borges <>, edgardcunha <>, "" <>
  • Subject: Re: [RARE-users] UDPDK
  • Date: Thu, 19 May 2022 08:53:26 +0200

hi,
according to their https://github.com/leoll2/udpdk page this is an udp/ip
stack implemented over dpdk...
that is, you have a nice udp app that you want to run over dpdk then you can
use this...
in freerouter, packet-over-udp is a tunneling mechnism to deal with
- phtsical interfaces: socat interface:eth0 udp-connect:127.0.0.1:12345
- qemu vm interfaces: qemu -netdev socket,udp=127.0.0.1:1100,localaddr=:1101
both will result in raw ethernet frames in an udp datagram...
it's just freerouter that offers "tunnel mode pckoudp" config knob
to terminate such things directly from the cli or so... but none of
these have anything to do with the existing udp applications of yours...
just to see the big picture: once you give an interface to dpdk (or have a
front-panel port on tofino) you dont have anything from
the kenrel, but raw ethernet packets from dpdk/tofinof.. that is, you have to
deal with arp/nd, ip, tcp, udp and so all by hand...
br,
cs



On 5/19/22 02:09, Moises R. N. Ribeiro wrote:

If you have the time to have a quick look, what do you think of this
solution? Is it similar to your strategy UDP/IP over DPDK in freeRtr?
https://www.gabrieleara.it/assets/documents/papers/conferences/2021-ieee-nfv-sdn.pdf

<https://www.gabrieleara.it/assets/documents/papers/conferences/2021-ieee-nfv-sdn.pdf>




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