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In this section:
GCP Deployment Diagram:GCP Benchmarking Setup
Performance Metrics
Note
- Unless explicitly mentioned, the performance numbers below are collected without raising any alarms or errors.
- The limiting factors are packet loss and retransmissions, unless anything is specified (excluding transcode).
- The core-wise usage is not mentioned, as in most cases the Default profile is used.
- SRTP Calls are executed from PKTART.
- TLS/SRTP is enabled at the Public side traffic. One TLS connection (Port) is used for all calls.
Instance Type HA
| S. No. | Instance Type | vCPU | RAM (GB) | HDD (GB) |
|---|---|---|---|---|
| 1 | n1-standard-4 | 4 | 15 | 65 |
| 2 | n1-standard-8 | 8 | 30 | 65 |
Performance Tests
| S. No. | Instance Type HA | Instance Type HFE | Test Scenario | Traffic Profile | CPS/CHT | Sessions | Maximum Memory Utilization % | CPU/Core Utilization % (Avg/Max) |
|---|---|---|---|---|---|---|---|---|
| 1 | n1-standard-4 | n1-standard-4 | G711U_Pass-through | Default | 15/100 | 1500 | 45.06% | 12.2/20.82% |
| 2 | n1-standard-4 | n1-standard-4 | G729_Pass-through | Default | 14/100 | 1400 | 44.59% | 11.40/14.75% |
| 3 | n1-standard-4 | n1-standard-4 | TLS SRTP_G711U | Default | 18/100 | 1800 | 46.08% | 19.5/26.83% |
| 4 | n1-standard-4 | n1-standard-4 | G711U-G729_transcode | Default | 2.5/100 | 250 | 42.94% | 29.15/32.36% |
| 5 | n1-standard-8 | n1-standard-8 | G711U_Pass-through | Default | 17/100 | 1700 | 27.27% | 9.84/14.08% |
| 6 | n1-standard-8 | n1-standard-8 | TLS SRTP_G711U | Default | 40/100 | 4000 | 28.77% | 24.53/27.64% |
| 7 | n1-standard-8 | n1-standard-8 | G711U-G729 transcode | Standard Transcoding Profile | 10/100 | 1000 | 24.77% | 43.41/41.41% |
| 8 | n1-standard-8 | n1-standard-8 | G729_Pass-through | Default | 17/100 | 1700 | 27.07% | 9.65/10.04% |
GCP SLB Performance Data
Deployment Types on GCP with SLB
- Standalone SBC behind HFE/HA(2.1) SLB
- HFE/HA(2.1) SBC behind HFE/HA(2.1) SLB
GCP Performance Data
| SLB Instance Type | SLB Sessions | SLB CPS/CHT | SLB SWe Active Profile | SLB Avg CPU Utiization % | SLB Max Memory Utilization | SBC Instance Type | No. of SBCs | SBC Sessions | SBC SWe Active Profile | SBC Avg CPU Utilization % | SBC Max Memory Consumed | Transport |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 16vCPU (HFE2.1 SLB) | 45K | 450/100 | Standard SLB Profile | 9.33% | 20.98% | 16vCPU (SA SBC) | 6 | 7.5K | Default | 13.18% | 25.81% | UDP |
| 16vCPU (HFE2.1 SLB) | 45K | 450/100 | Standard SLB Profile | 9.38% | 20.95% | 16vCPU (HFE2.1 SBC) | 6 | 7.5K | Default | 14.58% | 25.8% | UDP |
| 16vCPU (HFE2.1 SLB) | 45K | 500/100 | Standard SLB Profile | 8.4% | 20.96% | 16vCPU (HFE2.1 + SA SBCs) | 6 (3 HFE 2.1 + 3 SA) | 7.5K | Default | 18.69% | 25.95% | UDP |
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