Date: Sun, 26 Nov 2023 22:04:37 -0800 From: Jim Thompson <jim@netgate.com> To: Benoit Chesneau <benoitc@enki-multimedia.eu> Cc: "freebsd-net@FreeBSD.org" <freebsd-net@freebsd.org> Subject: Re: Re : Re: netgraph and vpp Message-ID: <CAKAfi7yQvCep5Bw7HhcxcPFXyBxoDNQLRQH0ZWpr4mkqNVcC7w@mail.gmail.com> In-Reply-To: <iYQJCBat80WckJfvwcalfTT8NewxLG9Su9vepqcq84u62m89Rj_HvUk-u9Xauc7foC4Nn7dRzF54f89LIpSS0VweFxbDw-4qa3zoCy-Ib5A=@enki-multimedia.eu> References: <i95iAV4FVYfHk1VOE0b8IWzeTDWWGKwyVFst0jbTV8mhc8oI2axEotoPGkUhngk35HwCUakBC83fMH6oNFTEQUVd0GADG3lYRL882ImYYhM=@enki-multimedia.eu> <CAKAfi7yp9Grc0sphHwN3ORFAFtHKg9muYmvg8=NmTQnVwcWuBQ@mail.gmail.com> <iYQJCBat80WckJfvwcalfTT8NewxLG9Su9vepqcq84u62m89Rj_HvUk-u9Xauc7foC4Nn7dRzF54f89LIpSS0VweFxbDw-4qa3zoCy-Ib5A=@enki-multimedia.eu>
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[-- Attachment #1 --] On Nov 25, 2023 at 4:09:29 AM, Benoit Chesneau <benoitc@enki-multimedia.eu> wrote: > > Thanks for your answer. So i guess if we want to build a modern router > without custom code, vpp is the way to go in term de performance? > Well, that’s the path I chose back in 2016, yes. (Might note that I also run the pfsense project, and that VPP does not currently run on FreeBSD.) One thing i really miss ito cross connect 2 interfaces without using a > bridge. Somethibg really easy and performant with vpp... > kp@ added something similar using pf https://reviews.freebsd.org/D37193 but if_bridge is pretty performant these days https://issue.freebsdfoundation.org/publication/?i=660151 Benoit > Le sam. 25 nov. 2023 à 00:33, Jim Thompson <jim@netgate.com <Le sam. 25 > nov. 2023 à 00:33, Jim Thompson <<a href=>> a écrit : > > > > On Nov 24, 2023 at 12:48:07 AM, Benoit Chesneau < > benoitc@enki-multimedia.eu> wrote: > >> netgraph and vpp looks similar in their intent. Both are graphs to >> process packets. >> >> I thought that usinv netgraph sounds interresting to build a modern >> router or cpe. What about the perforance? Did anyone compRe? Also is there >> any difference in term of implementation of the processing? Id there any >> recent paper about netgraph? >> > > They are very, very different. Netgraph is closer to AT&T streams, but > with mbufs. > > Netgraph would probably be better implemented these days as a set of > netmap modules, ala > https://github.com/zeek/packet-bricks or > https://github.com/outscale/packetgraph (this one is DPDK, but similar > architecture) > > > > [-- Attachment #2 --] <html><body><div dir="ltr"> <br> </div> <br> <div class="gmail_quote" dir="ltr"> <div dir="ltr" class="gmail_attr">On Nov 25, 2023 at 4:09:29 AM, Benoit Chesneau <<a href="mailto:benoitc@enki-multimedia.eu">benoitc@enki-multimedia.eu</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" type="cite"> <div><div></div><div> <div><br></div><div dir="auto">Thanks for your answer. So i guess if we want to build a modern router without custom code, vpp is the way to go in term de performance? </div></div></div></blockquote><div class="gmail_quote"><br></div>Well, that’s the path I chose back in 2016, yes.</div><div class="gmail_quote" dir="ltr"><br></div><div class="gmail_quote" dir="ltr">(Might note that I also run the pfsense project, and that VPP does not currently run on FreeBSD.)</div><div class="gmail_quote" dir="ltr"><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" type="cite"><div><div><div dir="auto">One thing i really miss ito cross connect 2 interfaces without using a bridge. Somethibg really easy and performant with vpp...</div></div></div></blockquote><div class="gmail_quote" dir="ltr"><br>kp@ added something similar using pf <font color="#419cff"><a href="https://reviews.freebsd.org/D37193">https://reviews.freebsd.org/D37193</a></font> but if_bridge is pretty performant these days</div><div class="gmail_quote" dir="ltr"><font color="#419cff"><a href="https://issue.freebsdfoundation.org/publication/?i=660151">https://issue.freebsdfoundation.org/publication/?i=660151</a></font><br></div><div class="gmail_quote" dir="ltr"><br></div><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" type="cite"><div><div><div dir="auto">Benoit </div>Le sam. 25 nov. 2023 à 00:33, Jim Thompson <<a class="" href="mailto:Le sam. 25 nov. 2023 à 00:33, Jim Thompson <<a href=">jim@netgate.com</a>> a écrit :<blockquote type="cite" class="protonmail_quote"> <div dir="ltr"> <br> </div><div dir="ltr"><br></div> <div class="gmail_quote"> <div class="gmail_attr" dir="ltr">On Nov 24, 2023 at 12:48:07 AM, Benoit Chesneau <<a href="mailto:benoitc@enki-multimedia.eu">benoitc@enki-multimedia.eu</a>> wrote:<br></div> <blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"> <div><div></div><div> <div dir="auto">netgraph and vpp looks similar in their intent. <span style="; ; ;San Francisco", Helvetica, Arial, sans-serif; ; font-style: normal; ; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; ; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px; ; text-decoration: none; display: inline !important; float: none;">Both</span><span style="; ; ;San Francisco", Helvetica, Arial, sans-serif; ; font-style: normal; ; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; ; -webkit-text-size-adjust: none; -webkit-text-stroke-width: 0px; ; text-decoration: none; display: inline !important; float: none;"> are graphs to process packets.<span class="Apple-converted-space"> </span></span> </div><div dir="auto"><br></div><div dir="auto">I thought that usinv netgraph sounds interresting to build a modern router or cpe. What about the perforance? Did anyone compRe? Also is there any difference in term of implementation of the processing? Id there any recent paper about netgraph?</div></div></div> </blockquote><br> </div><div class="gmail_quote"><div dir="ltr">They are very, very different. Netgraph is closer to AT&T streams, but with mbufs.</div><div dir="ltr"><br></div><div dir="ltr">Netgraph would probably be better implemented these days as a set of netmap modules, ala </div><div dir="ltr"><font color="#419cff"><span style="--dark-color: var(--NSColor_linkColor);"><a href="https://github.com/zeek/packet-bricks">https://github.com/zeek/packet-bricks</a></span></font>; or <font color="#419cff"><a href="https://github.com/outscale/packetgraph">https://github.com/outscale/packetgraph</a></font>; (this one is DPDK, but similar architecture)</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div></div> </blockquote></div></div> </blockquote> </div></body></html>
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