<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div><div class="">Netrek-dev,</div><div class=""><br class=""></div><div class="">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).</div><div class=""><br class=""></div><div class="">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.</div><div class=""><br class=""></div><div class=""><div class="">Darrell</div></div><div class=""><br class=""></div><div class=""><a href="https://www.youtube.com/watch?v=c4msYpc_uF4" class="">https://www.youtube.com/watch?v=c4msYpc_uF4</a></div><div class=""><br class=""></div><div class=""><br class=""></div></body></html>