Month: August 2017

Path MTU Discovery (PMTUD)

Whenever a host sends a packet, it is always recommended that the packet reaches unfragmented at the destination. However, the size of the datagram depends on the MTU of the each hop along the path. The minimum MTU along the path is the path MTU and is the […]

IPv4 – Basics of Networking – Part II

Internet Protocol: IP is a Network layer (Layer 3) protocol  that contains addressing information and some control information that enables packets to be routed. IP is documented in RFC 791 and is the primary network layer protocol in the Internet protocol suite. IP header format: Version:  4 bits: […]

Basics of Networking – Part I

Network is a group or system of interconnected people or things, who exchange data, resources or communicate to each other using a data link. Nowadays, we all use social media to connect to our distant friends or relatives. This process of connecting and communicating across World Wide using […]