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Changes in -03

SIP Performance Benchmarking draft-ietf-bmwg-sip-bench-term-03 draft-ietf-bmwg-sip-bench-meth-03 March 28, 2011 Prof. Carol Davids, Illinois Inst. of Tech. Dr. Vijay Gurbani, ALU Scott Poretsky, Allot Communications. Changes in -03. Terminology

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Changes in -03

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  1. SIP Performance Benchmarkingdraft-ietf-bmwg-sip-bench-term-03 draft-ietf-bmwg-sip-bench-meth-03 March 28, 2011Prof. Carol Davids, Illinois Inst. of Tech. Dr. Vijay Gurbani, ALU Scott Poretsky, Allot Communications IETF 80 – Prague, BMWG

  2. Changes in -03 • Terminology • Added Figures 3 and 4 (Baseline performance for DUT acting as a UAC and UAS with associated media). • Added Figures 8 and 9 (DUT/SUT performance benchmark for session establishment with multiple DUTs. Media flows end-to-end in Figure 8 and hop-by-hop in Figure 9).

  3. Changes in -03 • Methodology: • Removed test topologies from Section 3 (caused confusion since these topologies are also presented in the terminology document). • Minor edits to align figure numbers.

  4. Experimental data • Automated tool that collects a subset of these metrics and uses SIPp at its core, was created in the IIT Real-Time Communications Lab. • Early results are available for Asterisk and OpenSER (kamailio).

  5. Experimental data • Registration Rate: • 9 trials each, for Kamailio and for Asterisk. Maximum sessions attempted is set at 50,000 • In the case of Asterisk: 173 rps is the average fastest registration rate achieved across all 9 attempts before the first error is detected. • In the case of Kamailio: 245 rps is the average fastest registration rate achieved across all 9 attempts before the first error is detected. We are investigating anomalies in this set of data.

  6. Experimental data • Session Establishment Rate: • 9 trials each, for Kamailio and for Asterisk. Maximum sessions attempted is set at 50,000 • In the case of Asterisk: 47 sps is the average fastest session attempt rate achieved across all 9 attempts before the first error is detected. • In the case of Kamailio: 316 sps is the average fastest session attempt rate achieved across all 9 attempts before the first error is detected.

  7. Experimental data • Analytical data outside scope of draft : • We collected CPU usage data and also memory usage data while performing the non-automated tests. • We varied the methodology by making the attempted sps equal the maximum session attempts – hitting the system with the entire load in one second - in what we call ‘avalanche’ testing. • Both these methods could be used by developers to optimize their systems.

  8. Next steps • Work is complete. • Request chair to move the work ahead. • Early experimental results follow

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