What is internet protocol ( IP ) , type of internet protocol?
Internet Protocol
What is Internet Protocol(IP) ?
- IP is connectionless and unreliable protocol.
- it is the principal communication protocol in the IP suite for relaying datagrams across network boundaries.
- IP has the task of delivering packets from the source host to the destination host.
- IP is a protocol, or set of rules, for routing and addressing packets of data so that they can travel across network and arrive at the correct destination.
What is IPv4 ?
- Internet Protocol Version 4.
- 32-bit addressing mode.
- Used as TCP/IP host addressing machanism.
- It enables every host on the TCP/IP network to be uniquely.
- 4 billion unique IP address are generated 2^32.
- Range - 0 to 255.
- It consists 4 octets each has 8 bits.
- IPv4 is a numeric address separated by . (dot).
- It has total 5 classes.
- class A - 1.0.0.0 to 126.0.0.0
- class B - 128.0.0.0 to 191.255.0.0
- class C - 192.0.0.0 to 223.255.255.0
- class D - 224 to 239
- class E - 240 to 255
What is IPv6 ?
- 128-bit addressing mode.
- It consists 8 octets/segments/block of 4 hexadecimal digits.
- IPv6 is a numeric address separated by : (colon).
- It does not consist of classes.
- 79 x 10^28 unique address space.
Types of IPv6 address:
- Unicast - A unicast address is used to refer to a single host. It is meant to send data to a single destination.
- Multicast - A multicast address can be used to deliver a package to a group of destination. Any packet sent to a multicast will be delivered to every host that has joined that particular group.
- Anycast - The anycast address is very similar to the multicast address.
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