{"id":2631,"date":"2019-08-23T09:06:22","date_gmt":"2019-08-23T13:06:22","guid":{"rendered":"https:\/\/www.4kcc.com\/blog\/?p=2631"},"modified":"2019-08-23T09:06:31","modified_gmt":"2019-08-23T13:06:31","slug":"but-first","status":"publish","type":"post","link":"https:\/\/www.4kcc.com\/blog\/2019\/08\/23\/but-first\/","title":{"rendered":"But First&#8230;"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1152\" height=\"768\" src=\"https:\/\/i2.wp.com\/www.4kcc.com\/blog\/wp-content\/uploads\/2019\/08\/internethardware.jpeg?fit=640%2C427&amp;ssl=1\" alt=\"Close up of modern server room with many cables\" class=\"wp-image-2632\" srcset=\"https:\/\/www.4kcc.com\/blog\/wp-content\/uploads\/2019\/08\/internethardware.jpeg 1152w, https:\/\/www.4kcc.com\/blog\/wp-content\/uploads\/2019\/08\/internethardware-600x400.jpeg 600w, https:\/\/www.4kcc.com\/blog\/wp-content\/uploads\/2019\/08\/internethardware-300x200.jpeg 300w, https:\/\/www.4kcc.com\/blog\/wp-content\/uploads\/2019\/08\/internethardware-768x512.jpeg 768w, https:\/\/www.4kcc.com\/blog\/wp-content\/uploads\/2019\/08\/internethardware-1024x683.jpeg 1024w\" sizes=\"auto, (max-width: 1152px) 100vw, 1152px\" \/><\/figure>\n\n\n\n<p>Recently, I had an inquiry regarding delayed emails.  I want to address the issue in depth.  But first, I want to give everyone a simple but thorough explanation of the hardware components that make up the Internet. <\/p>\n\n\n\n<p>Here is a fairly complete &#8220;parts list&#8221; of the Internet hardware:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Cable (wire)<\/li><li>Fiber Optic Cable<\/li><li>Dense Wavelength Division Multiplexers (Fiber Optic related)<\/li><li>Coaxial Cable <\/li><li>Relays<\/li><li>Switches<\/li><li>DNS Servers<\/li><li>Mail Servers<\/li><li>Authentication Servers<\/li><li>Web Servers<\/li><li>Modems<\/li><li>Routers<\/li><li>Terminals (Connectors)<\/li><li>Satellite<\/li><li>Microwave<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-uagb-icon-list uagb-icon-list__outer-wrap uagb-icon-list__layout-vertical\" id=\"uagb-icon-list-e5a8e1fb-20fe-4d1a-b178-9b509f51ff4c\"><div class=\"uagb-icon-list__wrap\"><a class=\"uagb-icon-list-repeater-0 uagb-icon-list__wrapper\" target=\"_self\" rel=\"noopener noreferrer\" href=\"javascript:void(0);\"><div class=\"uagb-icon-list__content-wrap\"><span class=\"uagb-icon-list__source-wrap\"><span class=\"uagb-icon-list__source-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg><\/span><\/span><div class=\"uagb-icon-list__label-wrap\"><span class=\"uagb-icon-list__label\"><strong>Note #1<\/strong> &#8211;  On the Internet, the spot where servers, relays, switches, modems, or routers connect up is called a &#8220;node.&#8221; <\/span><\/div><\/div><\/a><a class=\"uagb-icon-list-repeater-1 uagb-icon-list__wrapper\" target=\"_self\" rel=\"noopener noreferrer\" href=\"#\"><div class=\"uagb-icon-list__content-wrap\"><span class=\"uagb-icon-list__source-wrap\"><span class=\"uagb-icon-list__source-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg><\/span><\/span><div class=\"uagb-icon-list__label-wrap\"><span class=\"uagb-icon-list__label\"><strong>Note #2<\/strong> &#8211;  Servers are actually computers.  These devices have the same components  as the computer you use: hard drives, RAM, processors, and more.  How a  server is configured may differ from your computer but the basic  operational theory is pretty much the same  <\/span><\/div><\/div><\/a><a class=\"uagb-icon-list-repeater-2 uagb-icon-list__wrapper\" target=\"_self\" rel=\"noopener noreferrer\" href=\"#\"><div class=\"uagb-icon-list__content-wrap\"><span class=\"uagb-icon-list__source-wrap\"><span class=\"uagb-icon-list__source-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg><\/span><\/span><div class=\"uagb-icon-list__label-wrap\"><span class=\"uagb-icon-list__label\"><strong>Note #3<\/strong> &#8211;  Servers often have one purpose.  For instance, authentication servers  usually just accept or deny your log-in information (user name,  password) and then pass you on to a different server once you enter the  correct credentials. <\/span><\/div><\/div><\/a><a class=\"uagb-icon-list-repeater-3 uagb-icon-list__wrapper\" target=\"_self\" rel=\"noopener noreferrer\" href=\"#\"><div class=\"uagb-icon-list__content-wrap\"><span class=\"uagb-icon-list__source-wrap\"><span class=\"uagb-icon-list__source-icon\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg><\/span><\/span><div class=\"uagb-icon-list__label-wrap\"><span class=\"uagb-icon-list__label\"><strong>Note #4<\/strong> &#8211;  The server which changes a URL address into the IP address of a webpage is the DNS (Domain Name Server). <\/span><\/div><\/div><\/a><\/div><\/div>\n\n\n\n<p>All the hardware components are connected together to form the Internet.  How they are connected into paths and how information is sent along those paths is a whole different subject which we won&#8217;t be addressing here.<\/p>\n\n\n\n<p>See the next post for our answer regarding delayed emails.  Questions or comments?  Feel free to use the comment section below.    <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recently, I had an inquiry regarding delayed emails. I want to address the issue in depth. But first, I want to give everyone a simple but thorough explanation of the hardware components that make up the Internet. Here is a fairly complete &#8220;parts list&#8221; of the Internet hardware: Cable (wire) Fiber Optic Cable Dense Wavelength &hellip; <\/p>\n<p><a href=\"https:\/\/www.4kcc.com\/blog\/2019\/08\/23\/but-first\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">But First&#8230;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"But First... * Here is a fairly complete \"parts list\" of the Internet hardware...","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[109,146,14],"tags":[391,386,392,389],"class_list":["post-2631","post","type-post","status-publish","format-standard","hentry","category-email","category-internet","category-training","tag-dns","tag-internet-hardware","tag-network-switches","tag-routers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>But First... - 4KCC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.4kcc.com\/blog\/2019\/08\/23\/but-first\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"But First... - 4KCC\" \/>\n<meta property=\"og:description\" content=\"Recently, I had an inquiry regarding delayed emails. 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