I’m teaching a class on TCP/IP network programming and publishing my “practice” videos on YouTube.  My most recent video covers type-length-value encoding.  It starts with a review of the Netrek network protocol, which is type-value, and discusses how the lack of a length field makes adding new message types to the protocol difficult (because the recipient wouldn’t know how many bytes to advance after encountering an unknown message type).

Apologies for highlighting a weakness of the Netrek network protocol, but I show proper respect to the grandfather of modern internet video games and was happy to incorporate Netrek into my class.

Darrell <>

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