VMWare Sizing

The administrator must define VMWare resources according to the utilization requirements.

All reservation values are based off of a 2.5GHz clock speed CPU.

The following table describes the recommended sizing for TPO using 20ms RTP frames and only G711u codec:

Without encryption

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
400	5000	4
800	7000	4
1200	9000	4

With encryption (SIPS & SRTP)

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
400	6000	4
800	8000	4
1200	10000	4*

* : 6 vCPUs can be used instead (Cores per Socket set to 3)

The following table describes the recommended sizing for TPO using 20ms RTP frames and only G711a codec:

Without encryption

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
400	5000	4
800	7000	4
1200	9000	4

With encryption (SIPS & SRTP)

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
400	6000	4
800	8000	4
1200	10000	4*

* : 6 vCPUs can be used instead (Cores per Socket set to 3)

The following table describes the recommended sizing for TPO using 20ms RTP frames and only G722 codec:

Without encryption

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
200	5000	4
400	7000	4
800	12000	6

With encryption (SIPS & SRTP)

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
200	7000	4
400	9000	4
800	14000	6

The following table describes the recommended sizing for TPO using 20ms RTP frames and only L16 codec:

Without encryption

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
400	5000	4
800	7000	4
1200	9000	4

With encryption (SIPS & SRTP)

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
400	6000	4
800	8000	4
1200	10000	4*

* : 6 vCPUs can be used instead (Cores per Socket set to 3)

The following table describes the recommended sizing for TPO using 20ms RTP frames and only iLBC codec:

Without encryption

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
100	6000	4
200	9000	4
400	15000	6

With encryption (SIPS & SRTP)

Number of calls	CPU bandwidth reservation (in MHz)	Number of vCPU
100	8000	4
200	11000	4
400	17000	6

The following table describes the recommended sizing for TPO using 20ms RTP frames and OPUS codec

Without encryption

Number of OPUS calls	CPU bandwidth reservation (in MHz)	Number of vCPU
200	10000	4
400	12000	6
800	16000	8

With encryption (SIPS & SRTP)

Number of OPUS calls	CPU bandwidth reservation (in MHz)	Number of vCPU
200	12000	4
400	14000	6
800	18000	8

The following table describes the recommended sizing for TPO using 20ms RTP frames and AMBE codec

Without encryption

Number of AMBE calls	CPU bandwidth reservation (in MHz)	Number of vCPU
200	7000	2
400	13000	6
800	16000	8

With encryption (SIPS & SRTP)

Number of AMBE calls	CPU bandwidth reservation (in MHz)	Number of vCPU
200	9000	2
400	15000	6
800	18000	8