Domain Names
What is the Internet? <ul><li>The  Internet  is a global system of interconnected  computer networks  that use the standar...
What is the Internet? <ul><li>A network of computers connected to each other.  </li></ul>
How do they Connect? <ul><li>These computers needed to know which computer they were connecting to, so each computer was g...
<ul><li>Greater numbers of users networking with each other created a demand for an easier system and one that was less co...
Top Level Domain Names <ul><li>The initial set of top-level domains was established. These were considered &quot;general p...
The Original Top Level Domains <ul><li>.com  -  commercial organizations, but unrestricted  </li></ul><ul><li>. edu   -  e...
The Original Top Level Domains <ul><li>.mil  – the U.S. military </li></ul><ul><li>.org  – organizations, now unrestricted...
Parts of a Domain Name <ul><li>A  domain name  usually consists of two or more parts (technically  labels ), which are sep...
Various Levels of Domain Names <ul><li>http://www.ci.west-allis.wi.us </li></ul>
Country Codes <ul><li>A  country code top level domain  is generally used or reserved for a country. </li></ul><ul><li>. u...
Additional Domain Names <ul><li>With the rapid growth of the internet, additional top level domains have been added over t...
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Domain Names

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This is a slideshow about domain names. It includes a brief history about how domain names were established. This was used with 4th and 5th graders.

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Domain Names

  1. 1. Domain Names
  2. 2. What is the Internet? <ul><li>The Internet is a global system of interconnected computer networks that use the standardized Internet Protocol Suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private and public, academic, business, and government networks of local to global scope that are linked by copper wires, fiber-optic cables, wireless connections, and other technologies. (http://en.wikipedia.org/wiki/Internet) </li></ul>
  3. 3. What is the Internet? <ul><li>A network of computers connected to each other. </li></ul>
  4. 4. How do they Connect? <ul><li>These computers needed to know which computer they were connecting to, so each computer was given a unique number – an IP (Internet Protocol) number. Ex. 121.245.078.2 </li></ul>
  5. 5. <ul><li>Greater numbers of users networking with each other created a demand for an easier system and one that was less confusing. </li></ul><ul><li>In the mid 1980’s the Domain Name System was implemented and the initial top-level domain names, including .com, .net, and .org, were introduced. </li></ul><ul><li>Suddenly 121.245.078.2 became 'company.com'. </li></ul>
  6. 6. Top Level Domain Names <ul><li>The initial set of top-level domains was established. These were considered &quot;general purpose domains&quot; </li></ul><ul><li>. com , . edu , . gov , . mil , . org . The . net domain was added with the first implementation of these domains. </li></ul>
  7. 7. The Original Top Level Domains <ul><li>.com - commercial organizations, but unrestricted </li></ul><ul><li>. edu - educational establishments </li></ul><ul><li>. gov – gov’t entities within the U.S. </li></ul>
  8. 8. The Original Top Level Domains <ul><li>.mil – the U.S. military </li></ul><ul><li>.org – organizations, now unrestricted </li></ul><ul><li>.net - initially intended to be used only for network providers, now unrestricted </li></ul>
  9. 9. Parts of a Domain Name <ul><li>A domain name usually consists of two or more parts (technically labels ), which are separated by dots, such as example.com. </li></ul><ul><li>The rightmost label is the top-level domain (for example, the address www.example.com has the top-level domain com). </li></ul>
  10. 10. Various Levels of Domain Names <ul><li>http://www.ci.west-allis.wi.us </li></ul>
  11. 11. Country Codes <ul><li>A country code top level domain is generally used or reserved for a country. </li></ul><ul><li>. us – United States .ca - Canada </li></ul><ul><li>.mx – Mexico .pr – Puerto Rico </li></ul>
  12. 12. Additional Domain Names <ul><li>With the rapid growth of the internet, additional top level domains have been added over the years. </li></ul><ul><li>We no longer have the original 6 – the list is much longer. </li></ul>
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