IPV 6

IPv6..

128 bit vs 32 bit addressing (340,282,366,920,938,463,463,374,607,431,768,211,456)
• Flexible and expandable global routing hierarchy
• Security (MD5 for authentication and integrity checking / encryption headers)
• Mobile Computing • machine (combine 48 or 64 bit MAC address prefix network)
• Streamlines the process of forwarding
 • Anycast address is delivered to only one of the nodes in the group, usually "related" nodes
 • quality of service (QoS)
 • Application
 • Changed IPv6 over IPv4 Tunneling
 • Enhancements to the functionality of IPv4 to IPv6 not repeat IPv6 is short for "Internet Protocol Version 6

. IPv6 is the" next generation "protocol designed by IETF version of the current Internet Protocol, to replace IP version 4 (IPv4). Most of today's Internet uses IPv4, which is now almost twenty years. IPv4 has been very resilient in spite of his age, but it's starting to have problems..

. IPv6 fixes a number of problems in IPv4, such as the limited number of available IPv4 addresses . It also adds many improvements to IPv4 in areas such as routing and network auto. IPv6 is expected to gradually replace IPv4, with the two coexisting for a number of years during the transition period...

DIS ADVANTAGE OF INTERNET :

Disadvantages of the Internet :::

1. Virus Threat Most of the viruses came from the internet so be very careful when visiting or downloading from one place. If you are using Firefox, you can install Web of Trust add-on, so you warnings about online scams, sites with adult content, and spam can get. With this, you can help keep your computer safe from online threats like, adware spyware and viruses.

 2. Theft of personal information If you have Internet, there is a risk of stealing your personal information like name, address, credit card., By the perpetrators.

 3. Spamming I guess I have to explain this more, you're already familiar with this.

4. Pornography is probably the worst obstacle to the internet, especially for parents with children. Find out how you protect children from entering bad sites.

5. Akkuraatheid van inligting 'n baie inligting oor' n spesifieke onderwerp is gestoor word op die webtuistes. Sommige inligting kan verkeerd wees of nie eg is nie. So, raak dit moeilik om die korrekte inligting te kies. Soms moet jy verwar kan word. 

6. Vermorsing van tyd 'n baie tyd gemors om die inligting op die internet in te samel. Sommige mense afval baie tyd in die klets of speletjies te speel. By die huis en kantore, die meeste van die mense gebruik Internet, sonder enige positiewe doel. 

7. Engelse taal probleme meeste van die inligting op die internet beskikbaar is in die Engelse taal. Dus, sommige mense kan nie gebruik maak van die fasiliteit van die Internet...

ADVANTAGE OF INTERNET :

1. Easy and free communication of communication with your friends and loved ones is easy through e-mail communication and social sites like Facebook and MySpace. You may not even be a few cents just to talk to them because these services are free to pay!

2. Send pictures small or large with others easily! If you have a file to send, for example, a video to your friend who lives in another country, it is not practical now to send him a package with video CD. Instead, you can send video from your e-mail or upload it to YouTube or other video-sharing.

3. Much of the information as I have mentioned before, the Internet has lots of information is very important for students so that they do not need to buy books, or go to the library. Search engines like Google and Yahoo are always available when you need it. 3. Music is one of the most popular reasons why many people prefer to surf the Internet. There are a lot of games to play, watch videos, and etc.

 4. Internet services for our lives easier by providing services such as online banking, online booking, hotel bookings, online shopping, and much more!

5. Besides winning entertainment, internet you can earn money while at the same time, enjoy what you do! Like me, I'm a blogger and I love what I do, and at the same time, I earn money.

 6. Promote your website product is one of the best ways and cheaper to get your business or product to promote. From $ 10, you can have your own website and start reaching your prospects. You can use Blogger or growth if you do not want to spend money on your website.

INTERNET PROXY:

A server that sits between a client application like a web browser and a real server. It captures all requirements in the real server to see if the application itself can be completed. If not, it sends the request to the real server ..

Most large businesses, organizations and universities these days use a proxy server. It's a server that all computers on the local network to go through before accessing information on the Internet. Using a proxy server, a network organization to improve performance and to filter it to connect to the network users can access.

 A proxy server improves Internet access speed of a network primarily by using a cache system. Caching saves recently viewed Web sites, images, and files on a local hard disk so that they should not be downloaded from the back. While your browser may have recently seen articles stored on your computer, a cache proxy server received all of the network. 

This means if Bob views a story on cnn.com at 1:00 and Jill views the same page at 01:03, she will probably get on the straight from the proxy server's cache. Although this means faster access to Web sites, it also means users can not see the latest version of each page. 

The other main purpose of a proxy server to filter what is allowed in the ring. While HTTP, FTP, and Secure protocols can all be filtered through a proxy server, HTTP is the most common. Proxy server can limit what 

Web sites users can access the network. Many organizations choose to enter in countries with offensive material, such as hacking information and to block pornography, but other countries as well as filtered. If an employer notices workers are spending more time on sites like eBay or Quicken.com, those sites may be blocked by the proxy server as well.