Chapter 10. Requirements

Introduction

In Part III we start to investigate particular issues of providing state-of-the-art NVEs or NGs over real-world networks. Chapter 5 posed several challenges to supporting real-time systems and Part II of the book has given us many of the tools necessary to tackle the problem. Now we can start analyzing those challenges in more depth. To start the discussion, we summarize some of the distinguishing characteristics of NVEs and NGs:
• Although often server-hosted, the main focus in on collaboration between users rather than a simple broadcast of data from server to clients. This means that each user needs to be able to publish synchronous information. The closest analogy would be instant messaging or voice over ...

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