What is IP ?
- IP stands for Internet Protocol which is the communications protocol of digital message formats and rules for exchanging messages between computers across a single network or a series of interconnected networks, using the Internet Protocol Suite (often referred to as TCP/IP
- Internet Protocol is connectionless and unreliable protocol. It ensures no guarantee of successfully transmission of data.
- Messages are exchanged as datagrams, also known as data packets or just packets.
- IP consisting of four abstraction layers : link layer (lowest), Internet layer, transport layer and application layer (highest).