<html><head><base href="x-msg://1080/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">65MB ?<div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" color="#1C00FF">David Ponzone </font><font class="Apple-style-span" color="#000000" size="3"><span class="Apple-style-span" style="font-size: 12px; ">Direction Technique</span></font></font></div><div><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">email: <a href="mailto:david.ponzone@ipeva.fr">david.ponzone@ipeva.fr</a></span></font></font></div><div><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">tel: 01 74 03 18 97</span></font></font></div><div><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">gsm: 06 66 98 76 34</span></font></font></div><div><font class="Apple-style-span" face="'Helvetica Neue'"><br></font></div><div><font class="Apple-style-span" color="#1C00FF" face="'Helvetica Neue'">Service Client<span class="Apple-converted-space"> </span></font><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" color="#FF0000">IP</font></font><font class="Apple-style-span" color="#1C00FF" face="'Helvetica Neue'">eva</font></div><div><font class="Apple-style-span" color="#1C00FF" face="'Helvetica Neue'"><span class="Apple-style-span" style="color: rgb(0, 0, 0); font-family: Helvetica; "><div><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">tel: 0811 46 26 26</span></font></font></div><div><font class="Apple-style-span" face="'Helvetica Neue'" size="3"><span class="Apple-style-span" style="font-size: 13px; "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Arial; color: rgb(0, 34, 243); "><span style="text-decoration: underline; "><a href="BLOCKED::http://www.ipeva.fr/">www.ipeva.fr</a></span><span style="color: rgb(101, 104, 149); "> - <span style="color: rgb(0, 34, 243); text-decoration: underline; "><a href="BLOCKED::http://www.ipeva-studio.com/">www.ipeva-studio.com</a></span></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Arial; color: rgb(0, 34, 243); "><span class="Apple-style-span" style="text-decoration: underline; "><br></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Arial; color: rgb(0, 34, 243); "><span class="Apple-style-span"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; text-align: justify; font: normal normal normal 10px/normal Arial; color: rgb(192, 192, 192); "><i>Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. </i><b><i>IPeva</i></b><i> décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.</i></div><div style="text-decoration: underline; text-align: justify; "><font class="Apple-style-span" color="#C0C0C0"><i><br></i></font></div></span></div></span></font></div></span></font></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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<br><div><div>Le 01/02/2011 à 16:27, Madovsky a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="NL" link="blue" bgcolor="white" vlink="purple"><div><font size="2">No my question is minimum udp.</font></div><div><font size="2">usually the max udp packet is around 65000kB,</font></div><div><font size="2">David was talking about MTU which is different (Max Transmit Unit</font></div><div><font size="2">which is usually 1500 over the net, but ins some internal network (as my cluster)</font></div><div><font size="2">I use jumbo frames (9000) with 1GB network cards.</font></div><div><font size="2">by default linux kernel UDP min packet is set to 4096.</font></div><div><font size="2">I made some tests, from 1024 to 65000 and the server behavior looks like more</font></div><div><font size="2">cool when packet is big, but I'm almost sure that it creates also more latency in case</font></div><div><font size="2">of audio data. I'm finally happy to use exactly the same rate as MTU, performance</font></div><div><font size="2">seems to be better in multitask.</font></div><blockquote style="border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px; "><div style="font: normal normal normal 10pt/normal arial; ">----- Original Message -----</div><div style="font: normal normal normal 10pt/normal arial; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(228, 228, 228); background-position: initial initial; background-repeat: initial initial; "><b>From:</b><span class="Apple-converted-space"> </span><a title="erik.dekkers@wvds.nl" href="mailto:erik.dekkers@wvds.nl" style="color: blue; text-decoration: underline; ">Erik Dekkers</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>To:</b><span class="Apple-converted-space"> </span><a title="freeswitch-users@lists.freeswitch.org" href="mailto:freeswitch-users@lists.freeswitch.org" style="color: blue; text-decoration: underline; ">'FreeSWITCH Users Help'</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>Sent:</b><span class="Apple-converted-space"> </span>Tuesday, February 01, 2011 4:28 AM</div><div style="font: normal normal normal 10pt/normal arial; "><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Freeswitch-users] minimum UDP packet size</div><div><br></div><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">You probably mean a MAXimum size. If you set a minimum size it would always fragment.</span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">As far as I know it itsn’t possible to set a maximum size of a UDP packet. If the UDP packets are getting too large you really should trim down SIP headers / Remove codecs from the SDP.<o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">There are some articles on the internet concerning MTU and SIP.<o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; ">Erik<o:p></o:p></span></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span lang="EN-US" style="font-family: Calibri, sans-serif; color: rgb(31, 73, 125); font-size: 11pt; "><o:p> </o:p></span></div><div><div style="border-bottom-width: medium; border-bottom-style: none; border-bottom-color: initial; border-left-width: medium; border-left-style: none; border-left-color: initial; padding-bottom: 0cm; padding-left: 0cm; padding-right: 0cm; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; border-top-style: solid; border-right-width: medium; border-right-style: none; border-right-color: initial; padding-top: 3pt; "><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><b><span style="font-family: Tahoma, sans-serif; font-size: 10pt; ">Van:</span></b><span style="font-family: Tahoma, sans-serif; font-size: 10pt; "><span class="Apple-converted-space"> </span><a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" style="color: blue; text-decoration: underline; ">freeswitch-users-bounces@lists.freeswitch.org</a><span class="Apple-converted-space"> </span>[mailto:freeswitch-users-bounces@lists.freeswitch.org]<b>Namens<span class="Apple-converted-space"> </span></b>Madovsky<br><b>Verzonden:</b><span class="Apple-converted-space"> </span>maandag 31 januari 2011 18:29<br><b>Aan:</b><span class="Apple-converted-space"> </span><a href="mailto:freeswitch-users@lists.freeswitch.org" style="color: blue; text-decoration: underline; ">freeswitch-users@lists.freeswitch.org</a><br><b>Onderwerp:</b><span class="Apple-converted-space"> </span>[Freeswitch-users] minimum UDP packet size<o:p></o:p></span></div></div></div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><o:p> </o:p></div><div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-size: 10pt; ">is it useful to set minimum UDP pakcet to the</span><o:p></o:p></div></div><div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-size: 10pt; ">MTU rate like 1500 and avoid any fragmentation ?</span><o:p></o:p></div></div><div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "> <o:p></o:p></div></div><div><div style="margin-top: 0cm; margin-right: 0cm; margin-bottom: 0pt; margin-left: 0cm; font-family: 'Times New Roman', serif; font-size: 12pt; "><span style="font-size: 10pt; 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