My day starts with alerts from my phone, reminding me of my daily routine, meetings, events , and many more activities that make use of internet. For this wonderful and ubiquitous technology popularly known as “The Internet” to run effortlessly end to end, a combination of protocols are utilized. Having started career in wireless sensor network (WSN) technologies with WSN protocols for Internet of Things (IoT), RFCs have been a major support throughout my journey. The initial understanding of all these mind blowing inventions, made me to go through Request for Comments ( RFC ). RFCs are worldwide accepted standards for the protocols. After gaining basic understanding of RFCs, I started exploring Internet Engineering Task Force ( IETF ), which is responsible for developing and standardizing the protocols on which the internet runs. "Protocols" are technical rule sets -- explicit documents, procedures, etc., tha...