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>
next in thread | previous in thread | raw e-mail | index | archive | help
--000000000000bdf6a1060b1c13a2 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Nov 25, 2023 at 4:09:29=E2=80=AFAM, Benoit Chesneau <benoitc@enki-multim= edia.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=E2=80=99s 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=3D660151 Benoit > Le sam. 25 nov. 2023 =C3=A0 00:33, Jim Thompson <jim@netgate.com <Le sam.= 25 > nov. 2023 =C3=A0 00:33, Jim Thompson <<a href=3D>> a =C3=A9crit : > > > > On Nov 24, 2023 at 12:48:07=E2=80=AFAM, 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 the= re >> 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) > > > > --000000000000bdf6a1060b1c13a2 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <html><body><div dir=3D"ltr"> <br> </div> <br> <div class=3D"gmail_quote" dir=3D"ltr"> <div dir=3D"ltr" class=3D"gmail_attr">On Nov 25, 2023 at 4:09:29=E2=80= =AFAM, Benoit Chesneau <<a href=3D"mailto:benoitc@enki-multimedia.eu">be= noitc@enki-multimedia.eu</a>> wrote:<br></div> <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor= der-left:1px solid rgb(204,204,204);padding-left:1ex" type=3D"cite"> <div><div></div><div> <div><br></div><div dir=3D"auto">Thanks for= your answer. So i guess if we want to build a modern router without custom= code,=C2=A0vpp is the way to go in term de performance?=C2=A0</div></div><= /div></blockquote><div class=3D"gmail_quote"><br></div>Well, that=E2=80=99s= the path I chose back in 2016, yes.</div><div class=3D"gmail_quote" dir=3D= "ltr"><br></div><div class=3D"gmail_quote" dir=3D"ltr">(Might note that I a= lso run the pfsense project, and that VPP does not currently run on FreeBSD= .)</div><div class=3D"gmail_quote" dir=3D"ltr"><br><blockquote class=3D"gma= il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2= 04,204);padding-left:1ex" type=3D"cite"><div><div><div dir=3D"auto">One thi= ng i really miss ito =C2=A0cross connect 2 interfaces without using a bridg= e. Somethibg really easy and performant with =C2=A0vpp...</div></div></div>= </blockquote><div class=3D"gmail_quote" dir=3D"ltr"><br>kp@ added something= similar using pf=C2=A0<font color=3D"#419cff"><a href=3D"https://reviews.f= reebsd.org/D37193">https://reviews.freebsd.org/D37193</a></font>=C2=A0but i= f_bridge is pretty performant these days</div><div class=3D"gmail_quote" di= r=3D"ltr"><font color=3D"#419cff"><a href=3D"https://issue.freebsdfoundatio= n.org/publication/?i=3D660151">https://issue.freebsdfoundation.org/publicat= ion/?i=3D660151</a></font><br></div><div class=3D"gmail_quote" dir=3D"ltr">= <br></div><br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px= 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" type=3D"cit= e"><div><div><div dir=3D"auto">Benoit=C2=A0</div>Le sam. 25 nov. 2023 =C3= =A0 00:33, Jim Thompson <<a class=3D"" href=3D"mailto:Le sam. 25 nov. 20= 23 =C3=A0 00:33, Jim Thompson <<a href=3D">jim@netgate.com</a>> a = =C3=A9crit :<blockquote type=3D"cite" class=3D"protonmail_quote"> <div dir= =3D"ltr"> <br> </div><div dir=3D"ltr"><br></div> <div class=3D"gmail_quote"> <div class=3D"gmail_attr" dir=3D"ltr">On Nov 24, 2023 at 12:48:07=E2=80= =AFAM, Benoit Chesneau <<a href=3D"mailto:benoitc@enki-multimedia.eu">be= noitc@enki-multimedia.eu</a>> wrote:<br></div> <blockquote type=3D"cite" style=3D"margin:0px 0px 0px 0.8ex;border-left= :1px solid rgb(204,204,204);padding-left:1ex" class=3D"gmail_quote"> <div><div></div><div> <div dir=3D"auto">netgraph and vpp looks simi= lar in their intent. <span style=3D"; ; ;San Francisco", Helvetica, Ar= ial, 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=3D"; ; ;= 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-w= idth: 0px; ; text-decoration: none; display: inline !important; float: none= ;"> are graphs to process packets.<span class=3D"Apple-converted-space"> </= span></span> </div><div dir=3D"auto"><br></div><div dir=3D"auto">I thought = that usinv netgraph sounds interresting to build a modern router or cpe. W= hat about the perforance? Did anyone compRe? Also is there any difference i= n term of implementation of the processing? Id there any recent paper about= netgraph?</div></div></div> </blockquote><br> </div><div class=3D"gmail_quote"><div dir=3D"ltr">They are very, very diffe= rent. Netgraph is closer to AT&T streams, but with mbufs.</div><div di= r=3D"ltr"><br></div><div dir=3D"ltr">Netgraph would probably be better impl= emented these days as a set of netmap modules, ala </div><div dir=3D"ltr"><= font color=3D"#419cff"><span style=3D"--dark-color: var(--NSColor_linkColor= );"><a href=3D"https://github.com/zeek/packet-bricks">https://github.com/ze= ek/packet-bricks</a></span></font> or <font color=3D"#419cff"><a href=3D"ht= tps://github.com/outscale/packetgraph">https://github.com/outscale/packetgr= aph</a></font> (this one is DPDK, but similar architecture)</div><div dir= =3D"ltr"><br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr"><br></div></= div> </blockquote></div></div> </blockquote> </div></body></html> --000000000000bdf6a1060b1c13a2--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAKAfi7yQvCep5Bw7HhcxcPFXyBxoDNQLRQH0ZWpr4mkqNVcC7w>