Benchmark Tests of Asterisk as a B2BUA

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Eustace Harrington
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1 Benchmark Tests of Asterisk as a B2BUA Astricon 28 Jim.Dalton@TransNexus.com

2 Why Test Methodology Results Agenda V1.4, 32 bit Fedora, Dual Xeon-Dual Core V1.4, 64 bit Redhat, Xeon Quad Core V1.6, 64 bit Redhat, Xeon Quad Core Economics Conclusions

3 Why Test as a B2BUA? A Session Border Controller is a Critical VoIP Network Element Enterprises need a demarcation between their private VoIP LAN and Public SIP network Service providers need a VoIP Switch SIP Proxies are great, but they do not provide: IP Masking Transcoding Asterisk is a valuable low cost solution in a market of high cost session border controllers

4 Test Methodology 8 SIPp Clients Route Query & Response OSP Server CDR 3 SIPp Servers SIPp Server SIPp Servers echo media stream back to SIPp CLients SIP clients generate a uniform load of 3 minute calls RTP stream is full two way music with no silience SIP SIP SIP No Device No VoIP Reject No Route Each Test Call has an average of two retries Wire Shark used to capture Used to capture data for Call Quality Media Test Source Media Test Destination

5 Test One Host Server for Asterisk V Dell Precision 49 Two Intel Xeon 514 dual core 2.33 GHz CPUs 4 GB of RAM Onboard 1Gbit NIC Fedora 7, 32-bit Two Cases: G.711 to G.711 G.711 to G.729

6 Calls vs CPU Utilization G.711 to G Total Core Core 1 Core 2 Core 3 Test One 2 Dual Core Xeon 2.33 GHz CPUs Fedora 7, 32-bit Simultaneous Calls

7 Packets vs CPU Utilization G.711 to G % of Packets with Delay > 5 ms Percent % of Packets Out of Sequence Test One 2 Dual Core Xeon 2.33 GHz CPUs Fedora 7, 32-bit

8 Packet Delay vs CPU Utilization G.711 to G Avg Round Trip Delay Jitter Buffer Avg Milliseconds 15 1 Test One 2 Dual Core Xeon 2.33 GHz CPUs Fedora 7, 32-bit CPU Utilization

9 Calls vs CPU Utilization G.711 to G Total 8 Core Core 1 Core 2 Core 3 Test One 2 Dual Core Xeon 2.33 GHz CPUs Fedora 7, 32-bit Simultaneous Calls

10 Packets vs CPU Utilization G.711 to G Milliseconds % of Packets with Delay > 5 ms % of Packets Out of Sequence Test One 2 Dual Core Xeon 2.33 GHz CPUs Fedora 7, 32-bit

11 Packet Delay vs CPU Utilization G.711 to G Avg Round Trip Delay Milliseconds Jitter Buffer Avg Test One 2 Dual Core Xeon 2.33 GHz CPUs Fedora 7, 32-bit

12 Feedback on Test One Test Plan makes sense. Why are you using an Ancient Operating System (Fedora 7)? A few changes suggested that did not impact our out-of-the-box performance test results. Impact of OSP functionality? About 2% of CPU utilization

13 Test Two Host Server for Asterisk V Dell Power Edge 84 (Total cost $1,) 1 Intel Xeon X3222 quad core, 2.4 GHz CPU 166 MHz FSB, 2x4M cache 4 GB of RAM Onboard 1 Gbit NIC Redhat bit Two Cases: G.711 to G.711 G.711 to G.729

14 Calls vs CPU Utilization G.711 to G Total Core Core 1 Core 2 Core 3 Test Two 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit Sim ultaneous Calls

15 Test 1 vs Test 2 G.711 to G Total Core Core 1 Core 2 Core 3 Test 1 Test Total Core Core 1 Core 2 Core Simultaneous Calls 75 Calls Simultaneous Calls 1 Calls

16 Packets vs CPU Utilization G.711 to G Percent % of Packets with Delay > 5 ms % of Packets Out of Sequence Test Two 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit

17 Packet Delay vs CPU Utilization G.711 to G Milliseconds Avg Round Trip Delay Jitter Buffer Avg Test Two 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit

18 Calls vs CPU Utilization G.711 to G Total Core Core 1 Core 2 Core 3 Test Two 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit Simultaneous Calls

19 Calls vs CPU Utilization G.711 to G Test 1 Test Total Core Core 1 Core 2 Core Total Core Core 1 Core 2 Core Simultaneous Calls Simultaneous Calls 32 Calls 32 Calls

20 Packets vs CPU Utilization G.711 to G % of Packets with Delay > 5 ms Percent 4 3 % of Packets Out of Sequence Test Two 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit

21 Packet Delay vs CPU Utilization G.711 to G Milliseconds Avg Round Trip Delay Jitter Buffer Avg Test Two 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit

22 Calls vs CPU Utilization G.711 to G V1.4 in Black V1.6 in Red Simultaneous Calls Test Three V1.4 vs V1.6 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit

23 Calls vs CPU Utilization G.711 to G V1.4 in Black V1.6 in Red Simultaneous Calls Test Three V1.4 vs V1.6 1 Quad Core Xeon 2.4 GHz CPU 166 MHz FSB 2x4M cache Redhat 5.1, 64-bit

24 Economics Commercial Session Border Controllers cost between $12 and $15 per port depending on number of ports. Cost of Asterisk as a B2BUA: $1 per port for G.711 to G.711 $1 server / 1 simultaneous calls $13.25 per port for G.711 to G.72 ($1 server + $32 G.729 license)/32 calls

25 Conclusions Asterisk as a B2BUA offers great value. Guideline for B2BUA Server Sizing 1 Simultaneous calls per GHz of CPU capacity Quad Core CPU, 64-bit RedHatV5 1 GB RAM GHz capacity = Number of CPU * Clock Speed For Example, Quad Core 2.4 GHz CPU has a total of 4 cores * 2.4 GHz = 9.6 GHz capacity

RIGHTNOW A C E

RIGHTNOW A C E 2 0 1 4 2014 Aras 1 A C E 2 0 1 4 Scalability Test Projects Understanding the results 2014 Aras Overview Original Use Case Scalability vs Performance Scale to? Scaling the Database Server