{"id":614,"date":"2009-02-23T16:03:55","date_gmt":"2009-02-23T21:03:55","guid":{"rendered":"http:\/\/jianmingli.com\/wp\/?p=614"},"modified":"2009-02-23T16:03:55","modified_gmt":"2009-02-23T21:03:55","slug":"virtualization","status":"publish","type":"post","link":"https:\/\/jianmingli.com\/wp\/?p=614","title":{"rendered":"Virtualization"},"content":{"rendered":"<p><strong>x86 privilege rings<\/strong><br \/>\n* Ring 0: supervisor mode<br \/>\n* Ring 1<br \/>\n* Ring 2<br \/>\n* Ring 3: user mode<\/p>\n<p><strong>Virtual Machine Monitor (VMM) or Hypervisor<\/strong>: Mo<br \/>\n* Types<br \/>\n&#8211; Type 1 VMM: runs in ring 0<br \/>\n&#8211; Type 2 VMM: runs in ring 3<br \/>\n* Requires<br \/>\n&#8211; Emulation<br \/>\n&#8211; Isolation<br \/>\n&#8211; Allocation<br \/>\n&#8211; Encapsulation<\/p>\n<p><strong>Types of Virtualizations<\/strong><br \/>\n<strong>Server Virtualization<\/strong><br \/>\n* Full virtualization: ideal complete virtualization.<br \/>\n* Paravirtualization: partial virtualization. Need OS modification. Less portable.<br \/>\n* OS virtualization: support a single OS type.<br \/>\n* Hybrid virtualization: full\/para hybrid depend on CPU architecture support.<\/p>\n<p><strong>Storage Virtualization<\/strong><br \/>\n* SAN: storage area network<\/p>\n<p><strong>Network Virtualization<\/strong><br \/>\n* Virtual LAN<br \/>\n* Virtual IP<\/p>\n<p><strong>Application Virtualization<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>x86 privilege rings * Ring 0: supervisor mode * Ring 1 * Ring 2 * Ring 3: user mode Virtual Machine Monitor (VMM) or Hypervisor: Mo * Types &#8211; Type 1 VMM: runs in ring 0 &#8211; Type 2 VMM: &hellip; <a href=\"https:\/\/jianmingli.com\/wp\/?p=614\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[50],"tags":[],"class_list":["post-614","post","type-post","status-publish","format-standard","hentry","category-vm"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8cRUO-9U","_links":{"self":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=614"}],"version-history":[{"count":1,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/614\/revisions"}],"predecessor-version":[{"id":617,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/614\/revisions\/617"}],"wp:attachment":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}