The answer is simple, SD-WAN needs to be considered if
1. We have at least 2 available connectivity links.
2. We have a SaaS, PaaS or IaaS solution/applications as part of our core business.
SD-WAN allows dynamic routing to use the best link based on applications, meaning:…
To estimate the capacity of the firewall we need to consider
1. Connectivity links to be connected, their throughput.
2. Concurrent and sessions.
3. Additional functions to be enabled: application control, SSL traffic inspection, web filtering, IPS, antivirus. 4. if it is…
