<div dir="ltr"><div>Spoke like someone who's been there. :)<br></div>-MC<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Aug 14, 2014 at 11:05 AM, Ken Rice <span dir="ltr"><<a href="mailto:krice@freeswitch.org" target="_blank">krice@freeswitch.org</a>></span> wrote:<br>
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<font face="Monaco, Courier New"><span style="font-size:11pt">1000 CPS the NIC is not the bottle neck this is actually relatively small amount of TCP/UDP traffic for just the SIP message.<br>
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Now the RTP @ 1000 calls on the other hand assuming G711 at 20ms ptime. And assuming 1 leg calls originating from a dialer would generate 80megabits of RTP (at the IP layer even more on the wire), and approx 50K PPS. Assuming 2 leg’d calls bridging media 160megabit and 100K PPS of just RTP... <br>
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But then we have to extrapolate peak concurrent from 1000 CPS... Assuming dialer traffic again, 75% ASR and 20 second ACD, and lets assume the 25% are just hard failed for the calculation (no early media on these) that gives us 750 new calls/sec and over the course of 20 seconds we accumulate 15,000 concurrent calls..<br>
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So lets take that and extrapolate bandwidth and PPS requirements for single leg’d calls of 1.43Gig/sec (on the wire) and 750K PPS so that’s going to exceed the bandwidth of a GIG-E connection so you’d have to break this into 2 RTP endpoints in sofia, and make sure you switches/routers could handle the PPS loads. <br>
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Double that to 2 leg calls and you have 2.86G/sec of RTP (again on the wire including UDP, IP, ethernet framing over heads) and pushing 1.5million PPS.<br>
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Here again this dictates at least 3 gig-e NICs on your FS box. Is this possible? I’m sure it is with the right hardware configuration... But lets step back a minute and really consider what is going on...<br>
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You are now putting approx over $2000/hr of traffic on a very expensive box that can and will at some point fail. Why are you doing such a thing? You’re better off limiting rates to sub 1000 CPS, (say 500CPS) deploying 3 boxes to handle the load in n+1 configuration, and if you lose a box you arent losing $2000+ in revenue and cranky customers while you repair/replace the now dead machine.<br>
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Lets face it, you can purchase a colo a nice machine for say 200 to 300$/month (assuming bandwidth costs are the same as above so that’s a wash instead of trying to cram it all on box that ends up costing you 1000/month by the time you pay for the hardware and colocation expenses for it.<div>
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On 8/14/14 11:56 AM, "Russell Treleaven" <<a href="http://rtreleaven@bunnykick.ca" target="_blank">rtreleaven@bunnykick.ca</a>> wrote:<br>
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</div></div></span></font><blockquote><div><div class="h5"><span style="font-size:11pt"><font face="Calibri, Verdana, Helvetica, Arial">1000 calls per second... no idea but I really doubt the network interface is going to be the bottleneck.<br>
Not sure why you make a distinction here between sessions and connected.<br>
To be clear you mean 5000 bridge calls correct?<br>
Since media is not an issue I think you can just start testing with sipp and bwm-ng to see what is what.<br>
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1000 calls per second is a very big number.<br>
Let us know how you make out.<br>
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Sincerely,<br>
<br>
Russell Treleaven<br>
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On Wed, Aug 13, 2014 at 5:40 PM, Andre <<a href="http://andretodd@verizon.net" target="_blank">andretodd@verizon.net</a>> wrote:<br>
</font></span><blockquote><span style="font-size:11pt"><font face="Monaco, Courier New">1000 calls per second and 10000 sessions with 4000 connected. What would be recommend?<br>
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<b>From:</b> <a href="http://freeswitch-users-bounces@lists.freeswitch.org" target="_blank">freeswitch-users-bounces@lists.freeswitch.org</a> [<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank">mailto:freeswitch-users-bounces@lists.freeswitch.org</a>] <b>On Behalf Of </b>Russell Treleaven<br>
<b>Sent:</b> Wednesday, August 13, 2014 5:25 PM<br>
<b>To:</b> FreeSWITCH Users Help<br>
<b>Subject:</b> Re: [Freeswitch-users] Network Card<br>
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If the media is bypassing you then you only need bandwidth for the signalling.<br>
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Depends primarily on the calls per second.<br>
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bwm-ng will help you to see whats going on.<br>
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On Wed, Aug 13, 2014 at 5:20 PM, Andre <<a href="http://andretodd@verizon.net" target="_blank">andretodd@verizon.net</a>> wrote:<br>
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</font></span><blockquote><span style="font-size:11pt"><font face="Monaco, Courier New">Hi, is there anything special with the network card to get 10,000 sessions in media bypass mode with FreeSwitch? Will a Gig E be enough bandwidth?<br>
<br>
What would it look like if the network card couldn’t keep up and how can I verify the network card is the bottleneck?<br>
Thanks<br>
Andre<br>
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