<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.apple-style-span
{mso-style-name:apple-style-span;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hey Faisal,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think OpenSIPs distributes the calls in round robin fashion from the Loadbalancer group. (If resource capacity allows) – So like you’re asking to get better servers more call volume and send less calls to low-end servers then you may also need to look at the sequence of the dst_uris defined in addition to what Sammmy suggested. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I guess using a combination of destination insertion sequence, resource limits (“callcap=20” for low-end “callcap=200” for higend), plus multiple declaration of same server can do the job for you.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Gohar A.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> users-bounces@lists.opensips.org [mailto:users-bounces@lists.opensips.org] <b>On Behalf Of </b>Sam Govind<br><b>Sent:</b> Tuesday, October 04, 2011 1:10 PM<br><b>To:</b> Faisal Rehman<br><b>Cc:</b> OpenSIPS users mailling list<br><b>Subject:</b> Re: [OpenSIPS-Users] Prioritised Load Balancing in OpenSIPS<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>That's for implementing concurrent call limits on channel/per user etc. You know your requirements better. I just suggested how I think weighted load balancing or prioritized load balancing as you asked could work.<span class=apple-style-span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";background:white'><o:p></o:p></span></span></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>On Tue, Oct 4, 2011 at 1:06 PM, Faisal Rehman <<a href="mailto:faisal.rehman22@yahoo.com">faisal.rehman22@yahoo.com</a>> wrote:<o:p></o:p></p><div><div><div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Hi Sam,</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>What do you say this link will work for me to fulfill the desired requirement:<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><a href="http://www.opensips.org/Resources/DocsTutConcurrentCalls" target="_blank">http://www.opensips.org/Resources/DocsTutConcurrentCalls</a><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Best Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#888888'>Faisal Rehman</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p></o:p></span></p><div><div><div><div class=MsoNormal align=center style='text-align:center;background:white'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><hr size=1 width="100%" align=center></span></div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> Sam Govind <<a href="mailto:govoiper@gmail.com" target="_blank">govoiper@gmail.com</a>><br><b>To:</b> Faisal Rehman <<a href="mailto:faisal.rehman22@yahoo.com" target="_blank">faisal.rehman22@yahoo.com</a>>; OpenSIPS users mailling list <<a href="mailto:users@lists.opensips.org" target="_blank">users@lists.opensips.org</a>><br><b>Sent:</b> Tuesday, October 4, 2011 12:40 PM<br><b>Subject:</b> Re: [OpenSIPS-Users] Prioritised Load Balancing in OpenSIPS</span><span style='color:black'><o:p></o:p></span></p></div><div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p><div><div><p class=MsoNormal style='background:white'><span style='color:black'>Hey,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p></div><p class=MsoNormal style='background:white'><span style='color:black'>So, it comes to weighted Load balancing !! <o:p></o:p></span></p><div><p class=MsoNormal style='background:white'><span style='color:black'>1- Intelligent use of resources column in DB can work for you. i.e define resources allocation per MediaServer specs.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>2- Adding multiple same "</span><span style='font-size:10.0pt;color:#666666;background:#FBFEFA'>dst_uri</span><span style='color:black'>"s for hig-end servers i.e if you want 4:1 distribution then add 4 entries of same server and one of the second one.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>Thats just my idea.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'>-Sammy<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p><div><p class=MsoNormal style='background:white'><span style='color:black'>On Tue, Oct 4, 2011 at 12:34 PM, Faisal Rehman <<a href="mailto:faisal.rehman22@yahoo.com" target="_blank">faisal.rehman22@yahoo.com</a>> wrote:<o:p></o:p></span></p><div><div><div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Hi Everyone,</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>I have been working on the Load Balancing project of OpenSIPS & I have been successful yet in case of normal balancing, but now I want to move towards prioritised load balancing. Let me explain this for you, for example if I am having few Asterisk or Free-switch servers & the servers have different resource & memory specifications from highest (let's say 48G RAM) to lowest (let's say 4G RAM), so I want the most powerful servers to be used first & then the load is gradually distributed to the least & least & least server depending upon its resource & memory power.<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>So is that something I can do & if it is possible then how can I achieve that?<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>Best Regards,<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#888888'>Faisal Rehman</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#888888'><o:p></o:p></span></p></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='color:black'><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@lists.opensips.org" target="_blank">Users@lists.opensips.org</a><br><a href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></span></p></div><p class=MsoNormal style='background:white'><span style='color:black'><o:p> </o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt;background:white'><span style='color:black'><o:p> </o:p></span></p></div></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>