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CGNAT

CGNAT

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What is CGNAT?

Carrier-grade NAT (CGNAT), also known as large-scale NAT (LSN), is a type of NAT that is used by Internet service providers (ISPs) to allow multiple customers to share a single public IP address. This is done to conserve IPv4 addresses, as the number of available IPv4 addresses is limited. CGNAT introduces an extra layer of NAT between the customer's network and the public internet. While it helps alleviate IPv4 address exhaustion, it can also introduce complexities for certain applications and protocols that rely on end-to-end connectivity.

What other technologies are related to CGNAT?

CGNAT Competitor Technologies

IPv6, with its vastly larger address space, eliminates the need for NAT, including CGNAT. Adoption of IPv6 makes CGNAT obsolete.
mentioned alongside CGNAT in 1% (148) of relevant job posts

CGNAT Complementary Technologies

BNG (Broadband Network Gateway) works in conjunction with CGNAT to manage subscriber access and bandwidth in broadband networks. It often sits upstream of the CGNAT device.
mentioned alongside CGNAT in 15% (74) of relevant job posts
CGNAT is a solution to IPv4 address exhaustion. It extends the life of IPv4 networks.
mentioned alongside CGNAT in 1% (104) of relevant job posts

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