What does Network Address Translation mean?
Network Address Translation, or NAT, changes address information as traffic crosses a network boundary. In a typical home setup it allows private-addressed devices to use the internet connection. NAT behaviour is separate from a streaming account's permitted number of screens.
Why it matters
Ordinary clients initiate outbound media requests, and suitable router state permits the returning traffic. That usually does not require manually opening inbound ports. NAT can matter for hosting or some peer-to-peer applications, but a buffering video alone does not establish a NAT fault. Keep the network's intended configuration and use actual application requirements rather than broad advice from a gaming guide.
A practical example
A television and laptop can both stream through one home router while having distinct private addresses. Their network translation arrangement does not grant either device extra subscription connections or content rights.
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Related terminology: Native display resolution, News bulletin.
For practical setup and troubleshooting, browse the journal or support guides.