<div dir="ltr">Unfortunately I cannot change the applications but I only can create some fake VFs and connect them with software.<div>Could OVS come to the rescue?</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il giorno gio 17 mar 2022 alle ore 14:27 Timothy Wood <<a href="mailto:timwood@gwu.edu">timwood@gwu.edu</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>One option is to modify the applications to use DPDK's multi-process support: <a href="https://doc.dpdk.org/guides/prog_guide/multi_proc_support.html" target="_blank">https://doc.dpdk.org/guides/prog_guide/multi_proc_support.html</a></div><div>Essentially you would have one app read from the real port and then write data to a software queue in shared memory. Instead of having the second app read from a port it would read from the queue.</div><div><br></div><div>If you want to build more elaborate combinations of functions, check out our OpenNetVM research project which focused on high performance NF chaining: <a href="http://sdnfv.github.io/onvm/" target="_blank">http://sdnfv.github.io/onvm/</a></div><div><br></div><div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr">---<br>Timothy Wood, Ph. D.</div><div dir="ltr">he/him/his</div><div dir="ltr">Associate Professor<br>Department of Computer Science<br>The George Washington University<br><a href="http://www.seas.gwu.edu/~timwood" target="_blank">http://www.seas.gwu.edu/~timwood</a></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 17, 2022 at 5:29 AM Antonio Di Bacco <<a href="mailto:a.dibacco.ks@gmail.com" target="_blank">a.dibacco.ks@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I have two DPDK applications that are using virtual functions built on top of two physical functions that correspond to the two ports of a 25 Gbps ethernet card. The two physical ports are connected one to the other with an optic fiber. <div>Now, I would like to realize the same setup but without using a physical 25 Gbps card, I wonder if this is possible.</div><div><br></div></div>
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