Latest / Deep End Era. Engineering with Sankalp
How a Packet Crosses the World: TCP/IP and the Core Protocols
At 2:20 in the morning a stroke patient's CT scan has to reach a radiologist in Mumbai, and the transfer is crawling. The first images arrive, then almost nothing. Hessa and Arjun trace one packet hop by hop, from the scanner's network card to the far end, and find out why small things work and big things don't.
Chapters
00:00:00 Opening: an image that has to reach Mumbai
00:03:02 Cerf and Kahn: a protocol for networks of networks
00:07:07 Hop one: the Ethernet frame and the switch
00:10:56 ARP and the default gateway: asking the room
00:14:52 IPv4 addressing: thirty-two bits and a slash…
The skinny
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