Internet Layer makes internet working possible the primary protocol are defined below. In order address the right route IP address number is assigned to each computer on the Internet Network.
IP Address are written in a way that humans can read and remember them.
IP address are managed by Internet Assigned Numbers Authority and another five registrants responsible for regional database on addresses.
- African Network Information Centre (AFRINIC)
- American Registry for Internet Numbers (ARIN)
- Asia-Pacific Network Information Centre (APNIC)
- Latin America and Caribbean Network Information Centre (LACNIC)
- Réseaux IP Europeans Network Coordination Centre (RIPE NCC)
Commonly known as TCP/IP in the Internet Protocol Suite it is set of protocols that make transmission of data on the interconnected network of computers possible. In the Internet Protocol Suite the data is authenticated and encrypted and sent to the data stream.
TCP stands for transmission control protocol provides flow of bytes on to the host computer on the Internet. WWW, file transfer, email messaging all rely on TCP.
IP is an abbreviation for Internet Protocol. The main function is to deliver packets from source host to the destination host using the IP Address to route. Hence it address IP address of both the source and the destination host. The main hardware is the router that enables the transfer of datagram of packets.
IP has two versions in is Internet Protocol Version 4 or IPv 4 and another IPv6 the latter is less popular but the usage is growing. IPv4 defines IP Address as 32 bit number while IPv6 defines IP address as 128 bit.