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This section describes SBC SWe Lite virtual machine recommendations for the SBC SWe Lite when running on Microsoft Azure.

Virtual Machine Recommendations for SBC SWe Lite running in Azure

WARNING: USE RECOMMENDED AZURE VM INSTANCES FOR RELIABLE PERFORMANCE

The recommended hardware and software settings are intended to ensure optimum stability and performance. If the recommended settings are not used, the SBC SWe Lite may not behave as expected. Ribbon does not provide support for SBC SWe Lite instances deployed in non-recommended Azure VMs. For more information regarding the recommended Azure VM instances, please refer to https://docs.microsoft.com/en-us/azure/virtual-machines/linux/.

  • Plan enough resources (RAM, CPU, NIC ports, hard disk, etc.) for all virtual machines (VMs) to run in Azure. Minimal networking configuration requires the Management Network Interface and at least one media interface to be assigned. To use a separate Media Interface for each peer (phone system, SIP trunking provider, etc.) select a VM size with a higher number of Network Interfaces.

  • Allocate each VM with only as much virtual hardware as that VM requires. Provisioning a VM with more resources than it requires can, in some cases, reduce the performance of that VM as well as other virtual machines sharing the same host.

  • The vNIC recommendation is from 2 vNIC to 4 vNIC. See below for guidelines.


SWe Lite Instance - Recommended Azure VMs

Azure VM Instance

vCPU

Maximum number of vNICs

SBC SWe Lite Supported Session Density

B1ms

1

Note: 20% of the vCPU is baseline "always available" performance; additional vCPU performance available through credits. 

2

10 sessions, with 10 transcode (G.711 μ-law/A-law ↔ G.729ab, with full media services including RTP ↔ SRTP encryption)

Note: 10 transcode sessions available with B1ms baseline performance.

B2s

2

Note: 40% of the combined vCPU performance (200% is the maximum combined vCPU performance) is baseline "always available" performance; additional vCPU performance available through credits. 

3

100 sessions with 30 transcode (G.711 μ-law/A-law ↔ G.729ab, with full media services including RTP ↔ SRTP encryption).

Note: 30 transcode sessions available with B2s baseline performance.

DS1_v212300 sessions, with 100 transcode (G.711 μ-law/A-law ↔ G.729ab, with full media services including RTP ↔ SRTP encryption)
DS3_v244

1000 sessions, with 400 transcode (G.711 μ-law/A-law ↔ G.729ab, with full media services including RTP ↔ SRTP encryption)


Additional Information

  • Minimal networking configuration requires the Management Network Interface and at least one Media Interface to be assigned.
  • Each SBC SWe Lite VM uses approximately 5 GiB of Virtual Hard Drive space. Drive size is predetermined by the imported image.