{"id":54,"date":"2017-08-29T21:49:28","date_gmt":"2017-08-30T01:49:28","guid":{"rendered":"http:\/\/sites.nd.edu\/gregmadey\/?p=54"},"modified":"2017-09-03T17:44:08","modified_gmt":"2017-09-03T21:44:08","slug":"lecture-notes-aug-28th","status":"publish","type":"post","link":"https:\/\/sites.nd.edu\/gregmadey\/2017\/08\/29\/lecture-notes-aug-28th\/","title":{"rendered":"Lecture Notes &#8211; Aug 28th"},"content":{"rendered":"<ul>\n<li>Internet &#8211; network of networks<\/li>\n<li>Who invented the Internet?\n<ul>\n<li>Vint Cerf &amp; Bob Kahn\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Robert_E._Kahn\">https:\/\/en.wikipedia.org\/wiki\/Robert_E._Kahn<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Vint_Cerf\">https:\/\/en.wikipedia.org\/wiki\/Vint_Cerf<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Many, many others.<\/li>\n<\/ul>\n<\/li>\n<li>TCP\/IP (internet Protocol suite)\n<ul>\n<li>Switched vs switched-packet routing (OSI vs TCP\/IP)<\/li>\n<li>IETF, Internet Society\n<ul>\n<li>RFCs\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_RFCs\">https:\/\/en.wikipedia.org\/wiki\/List_of_RFCs<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Connectionless protocol (e.g., Ethernet, IP, UDP, etc)\n<ul>\n<li>IP is not designed to be reliable and is a best effort delivery protocol<\/li>\n<li>UDP provides data integrity via a checksum but does not guarantee delivery<\/li>\n<\/ul>\n<\/li>\n<li>Connection oriented protocol (TCP)\n<ul>\n<li>TCP provides both data integrity and delivery guarantee by retransmitting until the receiver acknowledges the reception of the packet<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_59\" aria-describedby=\"caption-attachment-59\" style=\"width: 350px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-59\" src=\"http:\/\/sites.nd.edu\/gregmadey\/files\/2017\/08\/test.png\" alt=\"\" width=\"350\" height=\"403\" srcset=\"https:\/\/sites.nd.edu\/gregmadey\/files\/2017\/08\/test.png 293w, https:\/\/sites.nd.edu\/gregmadey\/files\/2017\/08\/test-261x300.png 261w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><figcaption id=\"caption-attachment-59\" class=\"wp-caption-text\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Internet_protocol_suite\">https:\/\/en.wikipedia.org\/wiki\/Internet_protocol_suite<\/a><\/figcaption><\/figure>\n<ul>\n<li>IP addresses: \u00a0 IPv4 (32 bit), IPv6 (128 bits)<\/li>\n<li>TCP and UDP port numbers (16 bits)\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_TCP_and_UDP_port_numbers\">https:\/\/en.wikipedia.org\/wiki\/List_of_TCP_and_UDP_port_numbers<\/a><\/li>\n<\/ul>\n<\/li>\n<li>Another layered model of the Internet\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/World_Wide_Web#\/media\/File:Internet_Key_Layers.png\">https:\/\/en.wikipedia.org\/wiki\/World_Wide_Web#\/media\/File:Internet_Key_Layers.png<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Internet &#8211; network of networks Who invented the Internet? Vint Cerf &amp; Bob Kahn https:\/\/en.wikipedia.org\/wiki\/Robert_E._Kahn https:\/\/en.wikipedia.org\/wiki\/Vint_Cerf Many, many others. TCP\/IP (internet Protocol suite) Switched vs switched-packet routing (OSI vs TCP\/IP) IETF, Internet Society RFCs https:\/\/en.wikipedia.org\/wiki\/List_of_RFCs Connectionless protocol (e.g., Ethernet, IP, UDP, etc) IP is not designed to be reliable and is a best effort delivery [&hellip;]<\/p>\n","protected":false},"author":415,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-54","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/posts\/54","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/users\/415"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/comments?post=54"}],"version-history":[{"count":16,"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/posts\/54\/revisions"}],"predecessor-version":[{"id":86,"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/posts\/54\/revisions\/86"}],"wp:attachment":[{"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/media?parent=54"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/categories?post=54"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.nd.edu\/gregmadey\/wp-json\/wp\/v2\/tags?post=54"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}