IP Addressing Basics Tutorial - Why IP Address Is Required? (Interactive Animation 1)

This is the 1st tutorial of IP address series. It's followed by How Online forwards packets, Network address, Classful, and Subnetting.

Q1. Why IP address is essential?
Answer: Telephones are connected to phone network to exchange voice messages. A exceptional phone quantity is assigned to each phone.
Net is comparable to telephone network. IP stands for Net Protocol. It defines a set of guidelines to exchange digital messages in Web. Computer systems are connected to World wide web to transfer messages in smaller sized packets. Just about every laptop or computer is assigned a exclusive IP address. Just about every packet is tagged by a supply address and a location address. Net utilizes location address to forward packets to its location. The supply address is utilized by the location to respond.

Q2. What is the structure of IP address?
Answer: It consists of 32 bits or four bytes (eight bit/byte). It really is generally presented as four decimal numbers like a.b.c.d. Every single decimal is mapped to a byte. Every decimal's variety is 0~255.
For instance, Jack's address can be presented in two methods:
- 4 decimal quantity one hundred.four.5.six, or
- A 32 bit binary quantity 01100one hundred.00000100.00000101.00000110

Q3. How numerous IP addresses are there?
Answer: About four.2 billions (2^32=four,294,967,296.) It appears like a big quantity. but it is not. Online addresses are in brief source. 32 bit address was developed in early 1980s known as IPv4. The newer one is named IPv6 with 128 bits address.

Q4. What is World-wide-web?
Answer: A simplified definition is that Web is a collection of routers that connects Computer systems and offers inter-pc communication solutions. Use Google to search "World wide web," you will discover lots of great tutorials.

Q5. How does Online provide personal computer messages?
Answer: World wide web is designed of a lot of routers. Router's job is to forward packets according to receiver's address incorporated in packet's network headers.

This report is the FAQs of an interactive animation. You can play this animation listed beneath External hyperlinks.
External hyperlinks:
1. Why IP address?- classless. http://www.visualland.net/view.php?cid=965&protocol=IPAddress&title=1.%20Why%20IP%20Address
2. IP address overview. http://www.visualland.net/protocol.overview.php?p=IPAddress&protocol=&title=0.IPAddress%20Overview

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