{"id":583,"date":"2018-10-26T22:17:37","date_gmt":"2018-10-26T22:17:37","guid":{"rendered":"http:\/\/feralpacket.org\/?p=583"},"modified":"2018-10-26T22:17:37","modified_gmt":"2018-10-26T22:17:37","slug":"qos-explicit-congestion-notification-ecn-notes","status":"publish","type":"post","link":"https:\/\/feralpacket.org\/?p=583","title":{"rendered":"QoS Explicit Congestion Notification (ECN) Notes"},"content":{"rendered":"<p><span style=\"font-weight: bold;\">QoS Explicit Congestion Notification (ECN)<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/feralpacket.org\/wp-content\/uploads\/2018\/10\/943ad5a7f010ce9afb2cd6984a6da3ca.jpeg\" style=\"cursor: default;cursor: default;\" width=\"600\" height=\"\"\/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/feralpacket.org\/wp-content\/uploads\/2018\/10\/9a4b35f8691ab0faa87140ab820e2c5e.jpeg\" style=\"cursor: default;cursor: default;\" width=\"600\" height=\"\"\/><\/p>\n<p><span style=\"font-weight: bold;\">Congestion Experienced (CE)<\/span><\/p>\n<p>\u00a0&#8211; Default value of 0<\/p>\n<p>Upon receiving a TCP packet with CE bit set to 1, the TCP congestion window size (CWND) is reduced in half<\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">policy-map &lt;name&gt;<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0class &lt;class&gt;<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0 random-detect<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0 random-detect dscp-based<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0 random-detect ecn<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>QoS Explicit Congestion Notification (ECN)<\/p>\n","protected":false},"author":1,"featured_media":581,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[31,45],"class_list":["post-583","post","type-post","status-publish","format-standard","hentry","category-ccie","tag-published","tag-qos"],"_links":{"self":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=583"}],"version-history":[{"count":1,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/583\/revisions"}],"predecessor-version":[{"id":614,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/583\/revisions\/614"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/media\/581"}],"wp:attachment":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}