{"id":2756,"date":"2020-09-21T20:40:09","date_gmt":"2020-09-21T13:40:09","guid":{"rendered":"https:\/\/halink.vn\/?p=1796"},"modified":"2020-09-21T20:40:09","modified_gmt":"2020-09-21T13:40:09","slug":"cdn-la-gi-cdn-hoat-dong-the-nao","status":"publish","type":"post","link":"https:\/\/halink.vn\/cdn-la-gi-cdn-hoat-dong-the-nao\/","title":{"rendered":"CDN l\u00e0 g\u00ec? CDN ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o?"},"content":{"rendered":"<p>V\u1edbi nh\u1eefng website c\u00f3 m\u1ee5c ti\u00eau kh\u00e1ch h\u00e0ng kh\u00f4ng ch\u1ec9 \u1edf m\u1ed9t v\u1ecb tr\u00ed m\u00e0 \u0111\u1ebfn t\u1eeb nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, vi\u1ec7c truy c\u1eadp s\u1ebd g\u1eb7p nhi\u1ec1u tr\u1edf ng\u1ea1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u1edf xa v\u1ecb tr\u00ed m\u00e1y ch\u1ee7 \u0111\u1eb7t website. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, ng\u01b0\u1eddi ta \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng m\u1ed9t c\u00f4ng ngh\u1ec7 gi\u00fap ph\u00e2n t\u00e1n n\u1ed9i dung website ra nhi\u1ec1u n\u01a1i g\u1ecdi l\u00e0 CDN.<\/p>\n<h2><a href=\"https:\/\/halink.vn\/cdn-la-gi-cdn-hoat-dong-the-nao\"><strong>CDN l\u00e0 g\u00ec?<\/strong><\/a><\/h2>\n<p>CDN l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a Content Delivery Network (M\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung) l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c m\u00e1y ch\u1ee7 gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 ch\u1eadm tr\u1ec5 trong vi\u1ec7c t\u1ea3i n\u1ed9i dung trang web b\u1eb1ng c\u00e1ch gi\u1ea3m kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd gi\u1eefa m\u00e1y ch\u1ee7 v\u00e0 ng\u01b0\u1eddi d\u00f9ng.\u00a0\u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi xem c\u00f9ng m\u1ed9t n\u1ed9i dung ch\u1ea5t l\u01b0\u1ee3ng cao m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm th\u1eddi gian t\u1ea3i.<\/p>\n<p><em>B\u1ea1n \u0111ang c\u00f3 nhu c\u1ea7u t\u00ecm mua hosting cho website? Mua ngay <a href=\"https:\/\/halink.vn\/hosting-gia-re\">hosting gi\u00e1 r\u1ebb<\/a> c\u1ee7a Halink.<\/em><\/p>\n<p>N\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng CDN, m\u00e1y ch\u1ee7 hosting ch\u1ee9a website c\u1ee7a b\u1ea1n ph\u1ea3i \u0111\u00e1p \u1ee9ng m\u1ecdi y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i, v\u00e0 ng\u01b0\u1eddi \u0111\u00f3 c\u00f3 th\u1ec3 \u1edf b\u1ea5t k\u1ef3 \u0111\u00e2u tr\u00ean th\u1ebf gi\u1edbi tu\u1ef3 thu\u1ed9c v\u00e0o \u0111\u1ed1i t\u01b0\u1ee3ng m\u00e0 b\u1ea1n nh\u1eafm \u0111\u1ebfn.\u00a0\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn nh\u1eefng ng\u01b0\u1eddi \u1edf c\u00e0ng xa v\u1ecb tr\u00ed m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n th\u00ec c\u00e0ng b\u1ecb h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0o website.<\/p>\n<p>Khi s\u1eed d\u1ee5ng CDN, n\u1ed9i dung c\u1ee7a website s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 qua c\u00e1c m\u00e1y ch\u1ee7 c\u1ee7a m\u1ea1ng l\u01b0\u1edbi CDN n\u1eb1m kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. Nh\u1edd \u0111\u00f3, khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o website t\u1eeb m\u1ed9t v\u1ecb tr\u00ed n\u00e0o \u0111\u00f3, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7 CDN g\u1ea7n nh\u1ea5t. B\u1eb1ng c\u00e1ch n\u00e0y, CDN gi\u00fap th\u1eddi gian truy c\u1eadp t\u1edbi website s\u1ebd r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m cho ng\u01b0\u1eddi d\u00f9ng. H\u01a1n n\u1eefa, vi\u1ec7c ph\u00e2n ph\u1ed1i qua c\u00e1c CDN s\u1ebd gi\u00fap gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 hosting ch\u00ednh c\u1ee7a website.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/halink.vn\/wp-content\/uploads\/2020\/09\/cdn-la-gi.png\" alt=\"CDN l\u00e0 g\u00ec?\" width=\"1000\" height=\"563\" class=\"aligncenter size-full wp-image-1798\" \/><\/p>\n<h2>CDN ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>H\u01a1n m\u1ed9t n\u1eeda l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 b\u1edfi m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN). M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a CDN l\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 trong qu\u00e1 tr\u00ecnh truy c\u1eadp website b\u1eb1ng c\u00e1ch gi\u1ea3m kho\u1ea3ng c\u00e1ch v\u1eadt l\u00fd gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 <a href=\"https:\/\/halink.vn\/hosting-gia-re\"><strong>hosting<\/strong> <\/a>ch\u1ee9a website.<\/p>\n<p>\u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, CDN l\u01b0u tr\u1eef m\u1ed9t phi\u00ean b\u1ea3n c\u1ee7a n\u1ed9i dung trang web c\u1ee7a b\u1ea1n \u1edf nhi\u1ec1u v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd tr\u00ean th\u1ebf gi\u1edbi, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cPoint of Presence\u201d (PoP).\u00a0C\u00e1c PoP n\u00e0y s\u1ebd ch\u1ee9a c\u00e1c m\u00e1y ch\u1ee7 l\u01b0u d\u1eef li\u1ec7u c\u00e1c website v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a ch\u00fang v\u00e0 s\u1ebd ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e2n ph\u1ed1i n\u1ed9i dung \u0111\u00f3 \u1edf v\u1ecb tr\u00ed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>Ch\u1eb3ng h\u1ea1n m\u1ed9t ng\u01b0\u1eddi \u1edf Singapore mu\u1ed1n truy c\u1eadp website c\u00f3 m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i Vi\u1ec7t Nam, nh\u01b0ng c\u00f3 d\u00f9ng CDN, h\u1ecd s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c n\u1ed9i dung c\u1ee7a website \u0111\u00f3 \u1edf m\u1ed9t m\u00e1y ch\u1ee7 CDN \u0111\u1eb7t t\u1ea1i Singapore thay v\u00ec ph\u1ea3i ch\u1ea1y qua m\u00e1y ch\u1ee7 \u1edf Vi\u1ec7t Nam.<\/p>\n<p>Khi c\u00e1c tr\u00ecnh duy\u1ec7t \u0111\u01b0a ra y\u00eau c\u1ea7u v\u1ec1 n\u1ed9i dung c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3n th\u1ecb website nh\u01b0 t\u1ec7p HTML, h\u00ecnh \u1ea3nh, CSS v\u00e0 JavaScript.\u00a0V\u1edbi m\u1ed7i y\u00eau c\u1ea7u n\u00e0y, ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 t\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 CDN c\u00f3 v\u1ecb tr\u00ed t\u1ed1i \u01b0u v\u00e0 m\u00e1y ch\u1ee7 s\u1ebd ph\u1ea3n h\u1ed3i v\u1edbi phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c l\u01b0u trong b\u1ed9 nh\u1edb cache (\u0111\u01b0\u1ee3c l\u01b0u tr\u01b0\u1edbc) c\u1ee7a c\u00e1c t\u1ec7p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.\u00a0N\u1ebfu kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ec7p c\u1ea7n thi\u1ebft, n\u00f3 s\u1ebd t\u00ecm ki\u1ebfm n\u1ed9i dung tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c trong n\u1ec1n t\u1ea3ng CDN v\u00e0 g\u1eedi ph\u1ea3n h\u1ed3i \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.\u00a0Tuy nhi\u00ean, khi n\u1ed9i dung kh\u00f4ng c\u00f3 s\u1eb5n ho\u1eb7c \u0111\u00e3 c\u0169, CDN s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t proxy g\u1edfi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 g\u1ed1c ch\u1ee9a website v\u00e0 l\u01b0u tr\u1eef n\u1ed9i dung \u0111\u00e3 t\u00ecm \u0111\u01b0\u1ee3c \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c y\u00eau c\u1ea7u trong t\u01b0\u01a1ng lai.<\/p>\n<p><em>Mua <a href=\"https:\/\/halink.vn\/hosting-gia-re\">hosting si\u00eau r\u1ebb<\/a> cho website c\u1ee7a b\u1ea1n.<\/em><\/p>\n<p>M\u1eb7c d\u00f9 vi\u1ec7c ch\u00ednh c\u1ee7a CDN l\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung trang web, tuy nhi\u00ean \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 lo\u1ea1i n\u1ed9i dung duy nh\u1ea5t m\u00e0 m\u1ed9t CDN c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i.\u00a0Tr\u00ean th\u1ef1c t\u1ebf, CDN c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i nhi\u1ec1u lo\u1ea1i n\u1ed9i dung n\u1eb7ng h\u01a1n bao g\u1ed3m: video ch\u1ea5t l\u01b0\u1ee3ng 4K v\u00e0 HD;\u00a0c\u00e1c t\u1ec7p \u00e2m thanh;\u00a0ph\u1ea7n m\u1ec1m \u1ee9ng d\u1ee5ng, tr\u00f2 ch\u01a1i v\u00e0 c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh;\u00a0h\u1ed3 s\u01a1 d\u1eef li\u1ec7u ch\u1ee9a th\u00f4ng tin y t\u1ebf v\u00e0 t\u00e0i ch\u00ednh;\u00a0v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa.\u00a0\u0110i\u1ec1u \u0111\u00f3 \u0111\u1ed3ng ngh\u0129a r\u1eb1ng b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c s\u1ed1 h\u00f3a \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i th\u00f4ng qua CDN.<\/p>\n<p>Ngo\u00e0i ra, vi\u1ec7c s\u1eed d\u1ee5ng CDN c\u00f2n gi\u00fap gi\u1ea3m t\u1ea3i cho m\u00e1y ch\u1ee7 g\u1ed1c ch\u1ee9a website, \u0111\u1ed3ng th\u1eddi h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c c\u00e1c v\u1ee5 t\u1ea5n c\u00f4ng m\u00e1y ch\u1ee7 web nh\u01b0 Ddos v\u00ec m\u1ecdi truy v\u1ea5n \u0111\u1ec1u ph\u1ea3i qua CDN.<\/p>\n<p><em>Xem gi\u00e1 <a href=\"https:\/\/halink.vn\/hosting-gia-re\">hosting linux<\/a>.<\/em><\/p>\n<h2>Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng CDN?<\/h2>\n<p>M\u1eb7c d\u00f9 CDN c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch cho website c\u1ee7a b\u1ea1n, nh\u01b0ng n\u00f3 kh\u00f4ng h\u1ec1 mi\u1ec5n ph\u00ed do \u0111\u00f3 kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00fac n\u00e0o b\u1ea1n c\u0169ng ph\u1ea3i d\u00f9ng CDN. B\u1ea1n ch\u1ec9 n\u00ean d\u00f9ng CDN cho website trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y:<\/p>\n<ul>\n<li>Website ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/li>\n<li>Website c\u00f3 l\u01b0\u1ee3ng truy c\u1eadp r\u1ea5t l\u1edbn, c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3m t\u1ea3i th\u00f4ng qua c\u00e1c CDN.<\/li>\n<li>Website c\u1ee7a b\u1ea1n r\u1ea5t l\u1edbn v\u00e0 th\u01b0\u1eddng xuy\u00ean l\u00e0 m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng c\u1ee7a \u0111\u1ed1i th\u1ee7.<\/li>\n<li>Website c\u1ee7a b\u1ea1n ph\u00e2n ph\u1ed1i nhi\u1ec1u n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn nh\u01b0 l\u00e0 ph\u1ea7n m\u1ec1m, phim \u1ea3nh, h\u00ecnh \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng cao,\u2026<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>V\u1edbi nh\u1eefng website c\u00f3 m\u1ee5c ti\u00eau kh\u00e1ch h\u00e0ng kh\u00f4ng ch\u1ec9 \u1edf m\u1ed9t v\u1ecb tr\u00ed m\u00e0 \u0111\u1ebfn t\u1eeb nhi\u1ec1u n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, vi\u1ec7c truy c\u1eadp s\u1ebd g\u1eb7p nhi\u1ec1u tr\u1edf ng\u1ea1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u1edf xa v\u1ecb tr\u00ed m\u00e1y ch\u1ee7 \u0111\u1eb7t website. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, ng\u01b0\u1eddi ta \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/halink.vn\/cdn-la-gi-cdn-hoat-dong-the-nao\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;CDN l\u00e0 g\u00ec? CDN ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1798,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[375],"tags":[371,327,328,110,329,288,330,331],"_links":{"self":[{"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/posts\/2756"}],"collection":[{"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/comments?post=2756"}],"version-history":[{"count":0,"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/posts\/2756\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/media\/1798"}],"wp:attachment":[{"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/media?parent=2756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/categories?post=2756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/halink.vn\/wp-json\/wp\/v2\/tags?post=2756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}