Gartner Research

Passive Optical LAN: Determine If It's Suitable for Your LAN Infrastructure

Published: 09 February 2016

ID: G00297536

Analyst(s): Ian Keene , Mark Fabbi

Summary

A passive optical LAN can be a lower-cost alternative to the traditional Cat 5/6 twisted-pair switched Ethernet architecture. This report will help CIOs and network architects in large enterprises to make an informed choice about whether to deploy, based on the technology's strengths and weaknesses.

Table Of Contents
  • Key Challenges

Introduction

Analysis

  • Passive Optical LAN: Is It Suitable for Your LAN Infrastructure?
    • Understanding the Architecture
    • Are Cable Reach Limitations an Issue?
    • Determine Cost and Disruption of Any Future Cable Upgrades
    • Evaluate Potential Capex and Space Savings
    • Distributed Versus Centralized Switching — Is It Advantageous for Your LAN?
    • The Desire for Power over Ethernet
    • Shared Bandwidth and Statistical Multiplexing — A Concept That Should Be Understood
    • Keep With Tradition, or Try Something New?
    • The Hybrid Approach

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