{"id":3293,"date":"2017-12-27T23:06:08","date_gmt":"2017-12-27T22:06:08","guid":{"rendered":"http:\/\/roboblog.fatal-fury.de\/?p=3293"},"modified":"2018-12-25T18:16:01","modified_gmt":"2018-12-25T17:16:01","slug":"cccc34","status":"publish","type":"post","link":"http:\/\/roboblog.fatal-fury.de\/?p=3293","title":{"rendered":"34C3"},"content":{"rendered":"<blockquote><p> Demystifying Network Cards<br \/>\nNetwork cards are often seen as black boxes: you put data in a socket on one side and packets come out at the other end - or the other way around.<br \/>\nLet's have a deeper look at how a network card actually works at the lower levels by writing a simple user space driver from scratch for a 10 Gbit\/s NIC. <\/p><\/blockquote>\n<p>Interessant.<br \/>\n<a href=\"https:\/\/fahrplan.events.ccc.de\/congress\/2017\/Fahrplan\/events\/9159.html\">https:\/\/fahrplan.events.ccc.de\/congress\/2017\/Fahrplan\/events\/9159.html<\/a><br \/>\n<a href=\"https:\/\/media.ccc.de\/v\/34c3-9159-demystifying_network_cards\">https:\/\/media.ccc.de\/v\/34c3-9159-demystifying_network_cards<\/a><\/p>\n<blockquote><p>Digitale Bildung in der Schule<br \/>\n\u201e5.-Kl\u00e4sslerinnen, die \u00fcber die Millisekunden f\u00fcr einen delay()-Aufruf diskutieren!<br \/>\nGibt es nicht? Doch, gibt es!\u201c Ein Modellprojekt mit sieben Schulen in Aachen hat diese Frage untersucht \u2013 wir haben die Sch\u00fclerinnen und Sch\u00fcler begleitet und w\u00fcrden gerne dar\u00fcber berichten, denn wir wissen jetzt: Programmieren macht ihnen Spa\u00df!<\/p><\/blockquote>\n<p>Interessant. Sch\u00fcler und C++ habe ich noch nie gesehn. Aber wenn selbst Kinder in der 5. Klasse damit kein Problem habe, m\u00fcssen alle anderen Menschen die mit C++ nicht zurecht kommen, schon verkalte Gehirne haben ;)<\/p>\n<p>Ich pers\u00f6nlich h\u00e4tte die Frage gestellt, ob ein Kind mal delay(5), delay(1) oder gar delay(0.5) versucht hat. Ob da nur Ganzzahlen funktionieren und ob die delay Funktion selbst einen gewissen overhead hat.<\/p>\n<p><a href=\"https:\/\/fahrplan.events.ccc.de\/congress\/2017\/Fahrplan\/events\/8865.html\">https:\/\/fahrplan.events.ccc.de\/congress\/2017\/Fahrplan\/events\/8865.html<\/a><br \/>\n<a href=\"https:\/\/media.ccc.de\/v\/34c3-8865-digitale_bildung_in_der_schule#t=2025\">https:\/\/media.ccc.de\/v\/34c3-8865-digitale_bildung_in_der_schule#t=2025<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Demystifying Network Cards Network cards are often seen as black boxes: you put data in a socket on one side and packets come out at the other end - or the other way around. Let's have a deeper look at how a network card actually works at the lower levels by writing a simple user [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3293","post","type-post","status-publish","format-standard","hentry","category-allgemein"],"_links":{"self":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts\/3293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3293"}],"version-history":[{"count":6,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts\/3293\/revisions"}],"predecessor-version":[{"id":3872,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts\/3293\/revisions\/3872"}],"wp:attachment":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3293"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}