How do I calculate the size of a Firewall?

[Starkiller08]

We have to proposs a NGFW with the capability so support 4 WAN connections of 100Mb each and a max. estimated quantity of 4000 clients connected with 2-3 devices each.

What does the firewall throughput should be?

What factors should I consider in the estimation of a NGFW?

 

[USAFRet]

We have to proposs a NGFW with the capability so support 4 WAN connections of 100Mb each and a max. estimated quantity of 4000 clients connected with 2-3 devices each.

What does the firewall throughput should be?

What factors should I consider in the estimation of a NGFW?

100megabits/sec split between 12,000 devices = your customers will yell at you, then go to a different provider.

 

[Starkiller08]

We have to proposs a NGFW with the capability so support 4 WAN connections of 100Mb each and a max. estimated quantity of 4000 clients connected with 2-3 devices each.

What does the firewall throughput should be?

What factors should I consider in the estimation of a NGFW?

100megabits/sec split between 12,000 devices = your customers will yell at you, then go to a different provider.

It is going to be 400Mbps in total, and there won't be always 12,000 devices, that is the maximun estimated

 

[USAFRet]

We have to proposs a NGFW with the capability so support 4 WAN connections of 100Mb each and a max. estimated quantity of 4000 clients connected with 2-3 devices each.

What does the firewall throughput should be?

What factors should I consider in the estimation of a NGFW?

100megabits/sec split between 12,000 devices = your customers will yell at you, then go to a different provider.

It is going to be 400Mbps in total, and there won't be always 12,000 devices, that is the maximun estimated

OK, so 400 megabits/sec divided between a potential 12,000 devices.
Always plan for the worst case.

(notice I'm not actually giving you the answer)

 

[jsmithepa]

Sounds like homework.