Nowadays, Mapping of Address and Port is a topic that has captured the attention of many people around the world. With a significant impact on various areas of life, Mapping of Address and Port has generated unprecedented debate, attracting supporters and critics alike. As Mapping of Address and Port continues to loom large in the collective consciousness, his influence extends across multiple sectors, from politics to entertainment, and from technology to society at large. In this article, we will explore the various facets of Mapping of Address and Port, examining its current relevance and potential future impact.
| IPv6 transition mechanisms |
|---|
| Standards Track |
| Experimental |
| Informational |
| Drafts |
| Deprecated |
Mapping of Address and Port (MAP) is a proposal that combines A+P port address translation with the tunneling of legacy IPv4 protocol packets over an ISP's internal IPv6 network.
MAP uses the extra bits available in the IPv6 address to contain the extra port range identifier bits of the A+P addressing pair that cannot be encoded directly into the IPv4 address, thus eliminating the need for "port routing" within the carrier network by leveraging the provider's own IPv6 rollout.
In effect, MAP is an (almost) stateless alternative to Carrier-grade NAT and DS-Lite that pushes the IPv4 IP address/port translation function (and therefore the maintenance of NAT state) entirely into the existing customer premises equipment IPv4 NAT implementation, thus avoiding the NAT444 and statefulness problems of carrier-grade NAT.