Verkada & Networking (Part 6) – IPv4 & Network Address Translation

For a while now, we are running out out addressable space for all the devices currently connected to the Internet. This is where private addresses come into play, and the router’s ability to translate them into a single public one.

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🗒️ Top takeaways:

➡️ Although using IPv4 yields more than 4 billion addresses, this is still not enough to cater for the current demands

➡️ LAN devices will be assigned private IP addresses from the local routers/firewalls; the latter will, in turn, translate them into a public IP address, that is routable across the Internet

➡️ Port numbers will be used not only to differentiate between multiple applications, but also to help routers mask multiple private IP addresses behind a single public one

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ipv4