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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hello Yanghe,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Why not to setup HAproxy in front of your ICAP instances?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">ICAP is relatively easily can be load balanced by HAProxy.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We have it in place up and running.<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black">Best regards,<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black">Rafael Akchurin<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black">Diladele B.V.
<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black"><a href="http://www.quintolabs.com">http://www.quintolabs.com</a><o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black"><a href="http://www.diladele.com">http://www.diladele.com</a><o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black">--<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:"Calibri",sans-serif;color:black">Please take a look at Web Safety - our ICAP based web filter server for Squid proxy.<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"><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>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> squid-users [mailto:squid-users-bounces@lists.squid-cache.org]
<b>On Behalf Of </b>yanghe<br>
<b>Sent:</b> Friday, September 16, 2016 10:19 AM<br>
<b>To:</b> squid-users <squid-users@lists.squid-cache.org><br>
<b>Subject:</b> Re: [squid-users] c-icap load balancing<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Microsoft YaHei",sans-serif;color:black">On 09/14/2016 09:51 PM, wrote: "Alex Rousskov"<</span><a href="mailto:rousskov@measurement-factory.com"><span style="font-size:10.5pt;font-family:"Microsoft YaHei",sans-serif">rousskov@measurement-factory.com</span></a><span style="font-size:10.5pt;font-family:"Microsoft YaHei",sans-serif;color:black">><o:p></o:p></span></p>
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<blockquote style="margin-left:0in;margin-top:5.0pt;margin-bottom:5.0pt">
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">> Unfortunately, Squid does not support true load<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">> However, there is a workaround: Use
<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Thanks for your adivice.
<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">IF I do not use adaptation_service_set or adaptation_service_chain to list N c-icap services.the traffic will only go to
the first.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Get your advice.I tried configure the "random" ACLs,But,It is not successful<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Here is my squid.conf<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">balance_on_multiple_ip on<br>
acl halfpercent random 0.5<br>
tcp_outgoing_address 192.168.1.4 halfpercent<br>
tcp_outgoing_address 192.168.1.2<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">icap_service service_req reqmod_precache bypass=0 icap://192.168.1.4:1344/echo<br>
adaptation_access service_req allow all<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">icap_service service_req_two reqmod_precache bypass=0 icap://192.168.1.2:1344/echo<br>
adaptation_access service_req_two allow all<o:p></o:p></span></p>
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</blockquote>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">This is mistake in cache.log<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">"commBind: Cannot bind socket FD 18 to 192.168.1.2: (99) Cannot assign requested address"<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">"commBind: Cannot bind socket FD 18 to 192.168.1.4: (99) Cannot assign requested address"<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> <o:p></o:p></span></p>
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</blockquote>
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<p class="MsoNormal" style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">That's why
</span><span style="font-size:10.5pt;font-family:"Microsoft YaHei",sans-serif;color:black"><o:p></o:p></span></p>
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