Webopedia on Google+Webopedia on TwitterWebopedia on FacebookTech Bytes Blog
Main » TERM » N »

NAT - Network Address Translation

Short for Network Address Translation, an Internet standard that enables a local-area network (LAN) to use one set of IP addresses for internal traffic and a second set of addresses for external traffic. A NAT boxlocated where the LAN meets the Internet makes all necessary IP address translations.

NAT serves three main purposes:

  • Provides a type of firewallby hiding internal IP addresses
  • Enables a company to use more internal IP addresses. Since they're used internally only, there's no possibility of conflict with IP addresses used by other companies and organizations.
  • Allows a company to combine multiple ISDN connections into a single Internet connection.
  • Also see dynamic NAT and static NAT.







    TECH RESOURCES FROM OUR PARTNERS
    DID YOU KNOW?
    5 Best Valentines Day Ideas for Open Source Romantics

    Because nothing says "I Love You" Like an open source app. Read More »

    Guarding your Data against Cyber Attacks

    In this new era of heightened stakes comes an increased need for a comprehensive security strategy. Let's take a look at how cyber-threats have... Read More »

    The Great Data Storage Debate: Is Tape Dead?

    Tape clearly is on the decline. But remember, legacy systems can hang for a shockingly long time. Read More »

    QUICK REFERENCE
    Network Fundamentals Study Guide

    A network is a group of two or more computer systems or devices, linked together to share resources, exchange files and electronic communications.... Read More »

    Computer Architecture Study Guide

    This Webopedia  study guide describes the different parts of a computer system and their relations. Read More »

    Webopedia Polls

    The trend for the past two years has been for shoppers to spend more online during the holiday season. How do you typically shop for holiday... Read More »