HP-UX IPSec version A.02.00 Administrator's Guide

HP-UX IPSec and HP-UX Mobile IPv6
Introduction
Chapter 7 203
The Mobile Node sends data packets to the Correspondent Node through
its Home Agent in Basic Operation, as shown in Figure 7-2, “Mobile IPv6
Basic Operation: Mobile Node to Correspondent Node.”
Figure 7-2 Mobile IPv6 Basic Operation: Mobile Node to Correspondent
Node
Route Optimization
In addition to Basic Operation, Mobile IPv6 can operate using Route
Optimization. Route Optimization improves data transmission rates
between the Correspondent Node and Mobile Node. With Route
Optimization, the Mobile Node and Correspondent Node communicate
directly with each other and bypass the Home Agent. Route
Optimization is especially beneficial when the Mobile Node and
Correspondent Node are in the same network.
The Mobile Node sends data packets directly to the Correspondent Node,
as shown by the solid-line data path in Figure 7-3, “Mobile IPv6 Route
Optimization.” The Correspondent Node sends data-packets directly to
the Mobile Node’s Care-of Address, as shown by the dotted-line data
path in Figure 7-3, “Mobile IPv6 Route Optimization.”
Figure 7-3 Mobile IPv6 Route Optimization
Home Agent
Mobile Node Correspondent
Node
Home Agent
Mobile Node
Correspondent
Node