Chapter 5

Network Address Translation/Port Address Translation

Introduction

In today’s world of enterprise networks, one of the major problems facing IT professionals is the rapidly depleting supply of globally unique Internet network addresses. Measures have been taken to slow the rate at which IP addresses are being allocated—including strategies such as Classless Inter-Domain Routing (CIDR), Network Address Translation (NAT), and Port Address Translation (PAT). This chapter will discuss NAT and PAT ...

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