The function of Internet protocol is to provide unique and numeric based key which identifies every computer on a network, which includes Internet, Intranet etc.
Internet Protocol (IP) is a set of rules for routing and addressing data packets so that they can transit across a network and reach their intended destination. Data traveling over the Internet is broken down into smaller units known as packets. Each packet has IP information attached to it, which helps the router route the packet to the correct location. Each device or domain that connects to the Internet is assigned an IP address, and data arrives where it is needed when packets are sent to an IP address.
Packets are treated differently once they reach their destination, depending on whatever transport protocol is used in conjunction with IP. TCP and UDP are the most widely used transport protocols.
What are the types of Internet Protocol?
The email protocol includes three different protocols. SMTP (Simple Mail Transfer Protocol), IMAP (Internet Message Access Protocol), and POP3 (Post Office Protocol) are all email protocols (Post Office Protocol 3).
SMTP is used for sending mail, whereas IMAP and POP3 are used for receiving mail. All three protocols are supported by almost all Internet Service Providers. However, the most common configuration for most ISPs is to use SMTP for sending mail and POP3 for receiving.
File Transfer Protocol
FTP stands for File Transfer Protocol and is a client/server protocol for sending files to and from the host computer. Username and password can be used to authenticate to FTP. It was one of the early Internet services, and it allowed users to transfer data between computers. The user can log on to a remote computer, view its contents, and download or upload data (if the remote computer allows) using FTP software. These can be any type of file, but the user is only allowed to see the file name; No information is provided about the contents of the file. If you try to download a software program from the Internet, you may encounter the FTP protocol. The FTP protocol is used by many websites that provide downloadable software.
An example of a FTP Protocol Window
HTTP (Hyper text transfer protocol)
Hypertext Transfer Protocol, or HTTP, is a web server protocol that allows online pages to be displayed in a web browser. When you enter the site you want to visit, the prefix “http://” appears in front of the address in the address bar of your web browser. HTTP informs the browser what type of content to guess because most web browsers can read online pages as well as FTP.
To make it easier to discover the material you need, Gopher provides downloaded files with some content description. The files are organized hierarchically on the distant computer, similar to how they are organized on your computer’s hard disc. Although this protocol is no longer commonly used, there are still some active gopher sites.
The Telnet protocol allows you to connect to and use remote computer applications. In most cases, you’ll telnet to a specific program hosted on a serving machine, allowing you to access it as if it were on your own computer. This protocol once again requires the use of specialized software.
What is a network protocol?
A network protocol is a collection of rules that govern how data is exchanged between devices connected to the same network. In short, it enables connected devices to interact with each other despite differences in internal operation, structure or design. Network protocols are responsible for allowing you to connect with individuals around the world, and they play an important role in modern digital communications.
Because of preset rules incorporated into the device’s software and hardware, network protocols enable devices to communicate with each other in the same way that communication between two individuals speaking the same language is facilitated. Without network protocols, neither local area networks (LANs) nor wide area networks (WANs) could function as they are today.
What is IP address and how does it work?
A device or domain that connects to the Internet is assigned an IP address, which is a unique identity. Each IP address is made up of a string of numbers and letters, such as ‘192.168.1.1’. Users can visit websites without remembering IP addresses thanks to DNS resolvers, which convert human-readable domain names into IP addresses. Each IP packet will include both the IP address of the device or domain delivering the packet and the IP address of the intended receiver, similarly a piece of mail includes both the destination and return address.
What is IPv4 vs IPv6?
IPv4: IPv4 is a version of the Internet Protocol that is widely used to identify devices on a network through an addressing scheme. In 1983, this was the first version of IP used in production on the ARPANET. It stores 232 addresses using the 32-bit address scheme, which is over 4 billion addresses. It is the most important Internet protocol, accounting for 94% of all Internet traffic.
IPv6: Internet Protocol version 6 (IPv6) is the latest version. This new IP address version is being implemented to meet the need for additional Internet addresses. It was created with the goal of solving IPv4 problems. This allows 340 uninteresting unique address spaces with a 128-bit address space. IPv6 is also known as IPng (Internet Protocol Next Generation).
Difference between IPv4 & IPv6
- IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses.
- IPv4 uses a numeric addressing scheme, while IPv6 uses an alphanumeric scheme.
- A dot (.) separates IPv4 binary bits, while a colon separates IPv6 binary bits (:).
- There are 12 header fields in IPv4 and 8 header fields in IPv6.
- IPv4 supports broadcasting, but IPv6 does not.
- Checksum fields are present in IPv4 but absent in IPv6.
- When comparing IPv4 and IPv6, we can see that IPv4 supports VLSM (Variable Length Subnet Mask), but IPv6 does not.
- IPv4 maps to MAC addresses using ARP (Address Resolution Protocol), but IPv6 maps to MAC addresses using NDP (Neighbor Discovery Protocol).
What is an IP packet?
Before each packet of data is sent on its route, an IP header is added to it. It creates IP packets. An IP header is simply a string of bits (ones and zeros) that contain information about the packet, such as transmitting and receiving IP addresses. IP headers also include the following information:
- Header length
- Packet length
- Time To Live (TTL)
- Which transport protocol is being used (TCP, UDP, etc.)
The IPv4 header contains a total of 14 fields for information, one of which is optional.
Tags: Function of internet protocol is | What is an IP packet | IPv4 & IPv6 | What is IP address | What is a Network Protocol l Telnet | Gopher | HTTP (Hyper text transfer protocol) | File Transfer Protocol | Electronic Mail | What are the types of Internet Protocol | Internet | Intranet | Main Function of internet protocol is
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