{"id":785,"date":"2018-02-14T13:29:46","date_gmt":"2018-02-14T12:29:46","guid":{"rendered":"http:\/\/www.quisted.net\/?p=785"},"modified":"2018-02-14T13:29:46","modified_gmt":"2018-02-14T12:29:46","slug":"datacenter-design-sdn","status":"publish","type":"post","link":"https:\/\/www.quisted.net\/index.php\/2018\/02\/14\/datacenter-design-sdn\/","title":{"rendered":"Datacenter Design VI ( SDN )"},"content":{"rendered":"<h3><span style=\"color: #3366ff;\">Software Defined Networking<br \/>\n<\/span><\/h3>\n<p><a href=\"http:\/\/vps.quisted.net\/wp-content\/uploads\/2018\/02\/sdn-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-799 size-full\" src=\"http:\/\/vps.quisted.net\/wp-content\/uploads\/2018\/02\/sdn-1.png\" alt=\"\" width=\"707\" height=\"377\" srcset=\"https:\/\/www.quisted.net\/wp-content\/uploads\/2018\/02\/sdn-1.png 707w, https:\/\/www.quisted.net\/wp-content\/uploads\/2018\/02\/sdn-1-300x160.png 300w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><\/a><\/p>\n<ul>\n<li><strong>Advantages SDN<\/strong>\n<ul>\n<li><span style=\"color: #000000;\"><em>Automatic Infrastructure Provisioning<\/em><\/span><\/li>\n<li><span style=\"color: #000000;\"><em>Multi-tenant enviornments<\/em><\/span><\/li>\n<li><span style=\"color: #000000;\"><em>Flexible Placement of servers ( Mobility )<\/em><\/span><\/li>\n<li><span style=\"color: #000000;\"><em>Health monitoring of applications<\/em><\/span><\/li>\n<li><span style=\"color: #000000;\"><em>Application to NET ( Southbound ) and NET to application ( Northbound ) communication<\/em><\/span><\/li>\n<\/ul>\n<\/li>\n<li><strong>Cisco&#8217;s SDN implementation<\/strong>: <span style=\"color: #993366;\"><strong>Application Centric Infrastructure<\/strong><\/span> ( <em>ACI<\/em> )<\/li>\n<\/ul>\n<p><strong>Three key ingredients for ACI<br \/>\n<\/strong><\/p>\n<ul>\n<li>Nexus 9000 series \/ 9300 \/ 9500.<\/li>\n<li><span style=\"color: #ff0000;\"><strong>A<\/strong>plication <strong>P<\/strong>olicy <strong>I<\/strong>nfrastructure <strong>C<\/strong>ontroller ( <strong>APIC<\/strong> ).<\/span>\n<ul>\n<li>Cisco recommends a minimum of three APIC servers.<\/li>\n<\/ul>\n<\/li>\n<li>Policy Model ( &#8220;<em>What talks to what and how<\/em>&#8221; ).<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p><strong><span style=\"color: #3366ff;\">How it works<\/span><br \/>\n<\/strong><\/p>\n<ul>\n<li>SDN Fabric is build by all the devices.<\/li>\n<li>APIC are on the <strong>Underlay Network.<\/strong><\/li>\n<li>All connections are routed ( ECMP ) All links can be utilized.<\/li>\n<li>ACI creates an <strong>Overlay Network.<\/strong>\n<ul>\n<li><span style=\"color: #008000;\"><strong>VXLAN<\/strong><\/span>\u00a0 &#8211; <span class=\"_Tgc _s8w\">Virtual Extensible LAN.<\/span><\/li>\n<li><span style=\"color: #800080;\"><strong>NVGRE<\/strong><\/span> &#8211; Network Virtualization using Generic Routing Encapsulation.\n<ul>\n<li>Both VXLAN and NVGRE add an outside header to identify the <strong>Overlay Network.<\/strong><\/li>\n<li>24-bit header (16000 IDs).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Virtual_Extensible_LAN\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/Virtual_Extensible_LAN<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Network_Virtualization_using_Generic_Routing_Encapsulation\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/Network_Virtualization_using_Generic_Routing_Encapsulation<\/a><\/li>\n<\/ul>\n<p><span style=\"color: #3366ff;\"><strong>Reality of SDN<\/strong><\/span><\/p>\n<ul>\n<li>New, minimizes data center capital Investment<\/li>\n<li>Cisco ACI, Vmware NSX platforms locked to vendor\n<ul>\n<li>Opendaylight example of Vandor inspecific Solutions<\/li>\n<\/ul>\n<\/li>\n<li>Private cloud orchestration platform needed (ties everything together )<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Software Defined Networking Advantages SDN Automatic Infrastructure Provisioning Multi-tenant enviornments Flexible Placement of servers ( Mobility ) Health monitoring of applications Application to NET ( Southbound ) and NET to application ( Northbound ) communication Cisco&#8217;s SDN implementation: Application Centric Infrastructure ( ACI ) Three key ingredients for ACI Nexus 9000 series \/ 9300 \/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[2,4],"tags":[19,22,72,87,89,104],"class_list":["post-785","post","type-post","status-publish","format-standard","hentry","category-arc","category-datacenterdesign","tag-aci","tag-apic","tag-nvgre","tag-sdn","tag-software-defined-networking","tag-vxlan"],"_links":{"self":[{"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/posts\/785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/comments?post=785"}],"version-history":[{"count":0,"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/posts\/785\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/media?parent=785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/categories?post=785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.quisted.net\/index.php\/wp-json\/wp\/v2\/tags?post=785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}