{"id":3800,"date":"2011-10-28T23:48:01","date_gmt":"2011-10-28T23:48:01","guid":{"rendered":"https:\/\/www.techopedia.com\/definition\/single-point-of-failure\/"},"modified":"2012-11-07T17:14:19","modified_gmt":"2012-11-07T17:14:19","slug":"single-point-of-failure","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof","title":{"rendered":"Single Point of Failure"},"content":{"rendered":"<h2><span id=\"what_does_single_point_of_failure_mean\">What Does Single Point of Failure Mean?<\/span><\/h2>\n<p>A single point of failure (SPOF) is a critical system component with the ability to cease system operations during failover. SPOFs are undesirable to systems requiring reliability and availability, such as software applications, networks or supply chains.<\/p>\n<h2><span id=\"techopedia_explains_single_point_of_failure\">Techopedia Explains Single Point of Failure<\/span><\/h2>\n<p>In computing, SPOFs are identified and resolved through redundant and high-availability clusters. For example, upon machine failure, another machine immediately assumes lost functions and responsibilities. Similar redundancy designs are often employed at internal component levels. At system levels, multiple machines or systems provide required redundancy. Replication is used at the site level, where another site or location is prepared to take over in the event of sudden site access failure.<\/p>\n<p>Highly reliable systems are designed without SPOFs. This means that failure of a component, system or site does not halt system or operational functions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does Single Point of Failure Mean? A single point of failure (SPOF) is a critical system component with the ability to cease system operations during failover. SPOFs are undesirable to systems requiring reliability and availability, such as software applications, networks or supply chains. Techopedia Explains Single Point of Failure In computing, SPOFs are identified [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","om_disable_all_campaigns":false,"footnotes":""},"definitioncat":[249,217,219,230,239],"class_list":["post-3800","definition","type-definition","status-publish","format-standard","hentry","definitioncat-backup-and-recovery","definitioncat-hardware","definitioncat-networks","definitioncat-privacy-and-compliance","definitioncat-productivity-software"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Single Point of Failure (SPOF)? - Definition from Techopedia<\/title>\n<meta name=\"description\" content=\"This definition explains the meaning of Single Point of Failure and why it matters.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Single Point of Failure\" \/>\n<meta property=\"og:description\" content=\"This definition explains the meaning of Single Point of Failure and why it matters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof\" \/>\n<meta property=\"og:site_name\" content=\"Techopedia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techopedia\/\" \/>\n<meta property=\"article:modified_time\" content=\"2012-11-07T17:14:19+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techopedia\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof\"},\"author\":{\"name\":\"Margaret Rouse\",\"@id\":\"https:\/\/www.techopedia.com\/#\/schema\/person\/f5dd538e31ee352d105b8af36c4268a5\"},\"headline\":\"Single Point of Failure\",\"datePublished\":\"2011-10-28T23:48:01+00:00\",\"dateModified\":\"2012-11-07T17:14:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof\"},\"wordCount\":148,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.techopedia.com\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof#respond\"]}],\"articleSection\":\"\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof\",\"url\":\"https:\/\/www.techopedia.com\/definition\/4351\/single-point-of-failure-spof\",\"name\":\"What is a Single Point of Failure (SPOF)? 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