from Hacker News

Three Packets Walk into a Tunnel

by drbruced on 12/11/24, 9:24 PM with 10 comments

  • by wmf on 12/11/24, 10:51 PM

    One of the best features of the Internet is when the inventor of some thing chimes in to explain the history behind it.

  • by ofrzeta on 12/12/24, 5:37 AM

    Around that time (1996) I worked a lot with ATM. We had Cisco routers and switches and Fore switches that were doing something called "LAN Emulation" (LANE, https://www.cisco.com/c/en/us/tech/asynchronous-transfer-mod...) on ATM (with a 622 Mbit/s backbone, no less).

    It was bleeding edge technology and kind of a nightmare because randomly the management plane would lose the mappings from IP to ATM and the "LAN" randomly stopped working (here's a troubleshooting guide, though :-) https://www.cisco.com/en/US/docs/internetworking/troubleshoo...) . We also did some wide-area networking with ATM that worked by manually setting up ATM PVCs with some telco guys throughout Europe.

    Back then there was also quite a bit of activity for using ATM with Linux, led by Werner Almesberger (who also developed the LILO bootloader): https://www.almesberger.net/cv/papers/atm_3rd.pdf

  • by halfcat on 12/11/24, 10:38 PM

    Usually I’d tell the UDP joke at this point, but you might not get it

  • by tomcam on 12/11/24, 10:27 PM

    The second packet says to the others, “You two are completely out of order!“

  • by ChrisArchitect on 12/12/24, 3:17 AM

    Related, as mentioned:

    Traceroute Isn't Real

    https://news.ycombinator.com/item?id=42054835

  • by rramadass on 12/12/24, 4:02 AM

    Just so people don't miss it, the following books are available for free from their "Books" section here - https://systemsapproach.org/books-html/ ;

    1) Computer Networks: A Systems Approach

    2) Software-Defined Networks: A Systems Approach

    3) TCP Congestion Control: A Systems Approach

    4) Private 5G: A Systems Approach

    5) Edge Cloud Operations: A Systems Approach

  • by stuartd on 12/12/24, 7:48 PM