Technical Summary
This document describes how to detect one or more network address
translation devices (NATs) between IPsec hosts, and how to negotiate
the use of UDP encapsulation of the IPsec packets through the NAT
boxes in Internet Key Exchange (IKE) protocol.
Working Group Summary
The IPsec Working Group came to consensus on this document.
Protocol Quality
This document was reviewed by Russell Housley for the IESG.