How Simple Ip Works - Cisco ASR 5000 series Product Overview

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Table of Contents

▀ Understanding Simple IP and Mobile IP

How Simple IP Works

As described earlier, Simple IP uses two basic communications protocols, PPP and IP. The following figure depicts

where each of these protocols are used in a Simple IP call.

As depicted in the figure above, PPP is used to establish a communications session between the MN and the PDSN.

Once a PPP session is established, the Mobile Node (MN) and end host communicate using IP packets.

The following figure and table provides a high-level view of the steps required to make a Simple IP call that is initiated

by the MN to an end host. Users should keep in mind that steps 2, 3, 11, and 12 in the call flow are related to the Radio

Access Node (RAN) functions and are intended to show a high-level overview of radio communications iterations, and

as such are outside the scope of packet-based communications presented here.

▄ Cisco ASR 5000 Series Product Overview

Simple IP Protocol Usage

CDMA2000 Wireless Data Services