IMS Application Developer's Handbook

Chapter 3. Service Deployment Patterns

3.1. Introduction

As you may have hopefully realized from the discussions in Chapter 1, IMS applications can appear in different parts of the network. Why does an application provider need to worry about this? Actually, it will affect you quite a bit, as the nature of your application will govern where it makes most sense to put it (and sometimes parts of it will have to go in different places). By “nature” in this context we don’t mean whether it is a game, a recipe catalog, an office productivity tool, or anything else along those lines, but rather where it turns up in the general scheme of things: which side of the IMS black box it connects to. The real issue at hand for application developers is that the ...