The Internet continues to grow at a phenomenal rate. This is reflected in the tremendous popularity of the World Wide Web (WWW), the opportunities that businesses see in reaching customers from virtual storefronts, and the emergence of new ways of doing business. It is clear that expanding business and public awareness will continue to increase demand for access to resources on the Internet.
The ever increasing growth of Internet networks, causing more and more IP addresses are also used throughout the world. IPv4 is the IP address that is currently used for all the computers in the world. More and more computers are connected to the network, the more IP addresses are used. For each computer, has a different IP address.So, the eventual exhaustion of IP version 4 (IPv4) address space.The first problem is concerned with the eventual depletion of the IP address space. IPv4 defines a 32-bit address which means that there are only 232 (4,294,967,296) IPv4 addresses available. As the Internet continues to grow, this finite number of IP addresses will eventually be exhausted.
The address shortage problem is aggravated by the fact that portions of the IP address space have not been efficiently allocated. Also, the traditional model of classful addressing does not allow the address space to be used to its maximum potential. The Address Lifetime Expectancy (ALE) Working Group of the Internet Engineering Task Force (IETF) has expressed concerns that if the current address allocation policies are not modified, the Internet will experience a near to medium term exhaustion of its unallocated address pool. If the Internet’s address supply problem is not solved, new users may be unable to connect to the global Internet. More than half of all possible IPv4 addresses have been assigned to ISPs, corporations, and government agencies, but only an estimated 69 million addresses are actually in use.So, this book as guide reference to find out more details about IP Addressing.
Source Reference : 3com.com
Tags: IP, IP Addressing, IPv4, IPv6, Subnetting
May 2nd, 2010 at 1:38 pm
heya super little web site ya have here
I use the exact theme on my own although for what ever cause it appears to reload sooner on this blog despite the fact that this blog consists of even more material. Have you been employing any individual plugins or widgets that speed it up? If you could possibly display the names so maybe I could use them on my personal internet sites so twilight breaking dawn followers could watch twilight breaking dawn online trailers and films quicker I would be ever so happy - many thanks in advance 
June 6th, 2010 at 7:51 pm
hey i submitted a remark a while back in relation to just how to speed up my twilight eclipse website’s loading time because we used the very same theme at that time and someone placed a remark answering it on my website a couple of days ago - if that was you I simply wanted to say cheers, and if it was not you then sorry to bother you, but cheers anyway!
June 10th, 2010 at 7:03 am
hahah ok so here’s how moronic I am, halfway through looking through your post I accidentally dropped my mouse and shut down the firefox by accident and I couldn’t locate your web page again until 6 days later to finish reading through where I left off due to the fact I didn’t remember how I linked to your web site to begin with haha anyway it was worth the hold out..thanks