Host Identity Protocol
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The Host Identity Protocol (HIP) provides a method of separating the end-point identifier and locator roles of IP addresses. It introduces a new Host Identity (HI) name space, based on public keys. The public keys are typically, but not necessarily, self-generated.
HIP is being specified in the IETF's HIP working group. An IRTF HIP research group looks at the broader impacts of HIP.