Name: draft-ietf-hip-base-01
Title: Host Identity Protocol
State: Active
Authors: Robert Moskowitz
Group: Host Identity Protocol (hip)
Date: 2004-10-27
This memo specifies the details of the Host Identity Protocol (HIP). The
overall description of protocol and the underlying architectural thinking
is available in the separate HIP architecture specification. The Host
Identity Protocol is used to establish a rapid authentication between two
hosts and to provide continuity of communications between those hosts
independent of the networking layer. The various forms of the Host
Identity, Host Identity Tag (HIT) and Local Scope Identifier (LSI), are
covered in detail. It is described how they are used to support
authentication and the establishment of keying material, which is then used
by IPsec Encapsulated Security payload (ESP) to establish a two-way secured
communication channel between the hosts. The basic state machine for HIP
provides a HIP compliant host with the resiliency to avoid many
denial-of-service (DoS)attacks. The basic HIP exchange for two public hosts
shows the actual packet flow. Other HIP exchanges, including those that
work across NATs are covered elsewhere.
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