Chapter 7. Middleware and message-based systems

Introduction

This chapter has two roles. First we’ll outline a strategy for internetworking of applications using messages. That is, the system will rely only on knowledge of what information is put into network messages. This is the basis of many open systems, and as we discussed in Chapter 5, the establishment of a protocol for messages at this level allows different types of applications to connect. The second role of this chapter is to show how middleware can simplify the construction of clients that follow specific protocols. We’ll discuss how we can use the DIS protocol to set up networking between a X3D scene and a standalone program which is ignorant of how X3D works.

7.1. Message-Based Systems ...

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