Single-Hop Case Study:

1
Chapter 4

• Single-Hop Case Study
• IBM Rainbow Protocol

2
Outlines

• Introduction
• Rainbow Protocol
• Model
• Analysis
• Example

3
Introduction

• Rainbow-I
• WDM local optical network
• 32 IBM PS/2 stations (or nodes)
• star topology
• 25 km DGLR90.
• local area network or metropolitan-area network
  (MAN).
• The system requires as many WDM channels as there
  are stations.
• Data rate of up to 300 Mbps per channel.
• The Rainbow-II network,
• a follow-on to Rainbow-I,
• 32 nodes, same optical hardware and multiple
  access protocol as Rainbow-I
• Data rate of up to 1Gbps per channel HaKR96

4
Rainbow
5
Rainbow architecture

• (FT