{"id":575,"date":"2012-08-09T09:44:19","date_gmt":"2012-08-09T07:44:19","guid":{"rendered":"http:\/\/blog.gdsys.de\/en\/?p=575"},"modified":"2012-08-10T09:40:42","modified_gmt":"2012-08-10T07:40:42","slug":"kvm-terms-its-latency-when-dinosaurs-dont-notice-anything","status":"publish","type":"post","link":"https:\/\/blog.gdsys.de\/en\/2012\/08\/09\/kvm-terms-its-latency-when-dinosaurs-dont-notice-anything\/","title":{"rendered":"KVM basics: latency is when dinosaurs don&#8217;t notice anything"},"content":{"rendered":"<p>The term latency comes from the Latin word \u201c<em>latens<\/em>\u201d = \u201chidden\u201d. What\u2019s meant here is the time between cause and effect, between stimulus and reaction, also called response or delay time.<\/p>\n<h2>Latency &#8211; a simple but demonstrative experiment:<\/h2>\n<p><a href=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-577\" title=\"Latency  - a simple experiment\" src=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi-300x212.jpg\" alt=\"Latency  - a simple experiment\" width=\"300\" height=\"212\" srcset=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi-300x212.jpg 300w, https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi.jpg 567w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Let\u2019s take a standard dinosaur, model brontosaurus, from the Upper Jurassic. Length: between 21 and 36 metres from head to tail, a cute little animal weighing 30 to 35 tons.<\/p>\n<p>Now imagine a Stone Age man, a hunter, model\u2026well there weren\u2019t any models back than. But then, this is only an example. Add a nice sharp stone weighing another ton.<\/p>\n<p>And now it gets interesting: The hunter takes the stone (yes, he can lift it, remember it\u2019s all hypothetical) and throws it on the dinosaur\u2019s tail.<\/p>\n<p>The information about the pain runs extremely fast through the nervous system of our brontosaurus, takes a few bends up the back, spirals around the vertebra and finally reaches the brain stem where it is processed by the \u201cpain centre\u201d.<\/p>\n<p>Two minutes later, the dinosaur says: \u201cOww\u201d.<\/p>\n<h2>Hand-eye coordination vs. stone-dinosaur coordination<\/h2>\n<p>That\u2019s how you have to imagine latency. Unfortunately, when dealing with KVM, we don\u2019t have as much time as our hypothetical dinosaur. And by the way: The Stone Age hunter didn\u2019t escape him. A different type of latency \u2026<\/p>\n<p>With KVM, the latency period is important when it comes to hand-eye coordination, meaning when using a mouse to operate a computer via KVM extender or KVM matrix switch, for example. Here, users aren&#8217;t supposed to notice a delay between moving the mouse and the corresponding reaction on screen. And by \u201cnot noticing\u201d we\u2019re talking about delays of a twentieth of a second. There might be experienced users who notice delays under this value and thus far away from the stone-dinosaur coordination.<\/p>\n<p>Tongue-in-cheek,<a href=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/DSC0001_kleingerechnet.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-586 alignleft\" title=\"Sully erkl\u00e4rt Latenz mit einem Augenzwinkern\" src=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/DSC0001_kleingerechnet-150x150.jpg\" alt=\"Sully erkl\u00e4rt Latenz mit einem Augenzwinkern\" width=\"60\" height=\"60\" \/><\/a><\/p>\n<p>Sully, your KVM wingman<\/p>\n<p>By the way: No dinosaur was harmed during this blog post!<\/p>\n<div class=\"shariff\" data-title=\"KVM basics: latency is when dinosaurs don&#8217;t notice anything\" data-info-url=\"http:\/\/ct.de\/-2467514\" data-backend-url=\"https:\/\/blog.gdsys.de\/en\/wp-content\/plugins\/shariff-sharing\/backend\/index.php\" data-temp=\"\/tmp\" data-ttl=\"60\" data-service=\"tlx\" data-services='[\"facebook\",\"twitter\",\"linkedin\",\"xing\",\"whatsapp\",\"mail\",\"info\"]' data-image=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi-300x212.jpghttps:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi-300x212.jpg 300w, https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi.jpg 567w\" data-url=\"https:\/\/blog.gdsys.de\/en\/2012\/08\/09\/kvm-terms-its-latency-when-dinosaurs-dont-notice-anything\/\" data-lang=\"en\" data-theme=\"color\" data-orientation=\"horizontal\"><\/div>","protected":false},"excerpt":{"rendered":"<p>The term latency comes from the Latin word \u201clatens\u201d = \u201chidden\u201d. What\u2019s meant here is the time between cause and effect, between stimulus and reaction, also called response or delay time. Latency &#8211; a simple but demonstrative experiment: Let\u2019s take a standard dinosaur, model brontosaurus, from the Upper Jurassic. Length: between 21 and 36 metres &#8230;<\/p>\n","protected":false},"author":2,"featured_media":577,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19],"tags":[341,21,345,124],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>KVM basics - latency is when dinosaurs don&#039;t notice anything<\/title>\n<meta name=\"description\" content=\"In a simple experiment we explain what role latency plays in combination with KVM and what all of this has to do with dinosaurs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.gdsys.de\/en\/2012\/08\/09\/kvm-terms-its-latency-when-dinosaurs-dont-notice-anything\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KVM basics - latency is when dinosaurs don&#039;t notice anything\" \/>\n<meta property=\"og:description\" content=\"In a simple experiment we explain what role latency plays in combination with KVM and what all of this has to do with dinosaurs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.gdsys.de\/en\/2012\/08\/09\/kvm-terms-its-latency-when-dinosaurs-dont-notice-anything\/\" \/>\n<meta property=\"og:site_name\" content=\"Corporate Blog from Guntermann &amp; Drunck\" \/>\n<meta property=\"article:published_time\" content=\"2012-08-09T07:44:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-08-10T07:40:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.gdsys.de\/en\/files\/2012\/08\/Comic-Dino-en-72dpi.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"567\" \/>\n\t<meta property=\"og:image:height\" content=\"401\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bianca Schmidt\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.gdsys.de\/en\/#website\",\"url\":\"https:\/\/blog.gdsys.de\/en\/\",\"name\":\"Corporate Blog from Guntermann &amp; 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Sie finden mich auch auf LinkedIn. Editor, translator and blogger at Guntermann &amp; Drunck. 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