{"id":1277,"date":"2017-06-16T07:38:26","date_gmt":"2017-06-16T00:38:26","guid":{"rendered":"https:\/\/engisv.info\/?p=1277"},"modified":"2017-06-16T07:38:26","modified_gmt":"2017-06-16T00:38:26","slug":"dia-chi-ipv6-phan-1-tong-quan-ve-dia-chi-ipv6","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=1277","title":{"rendered":"\u0110\u1ecba ch\u1ec9 IPv6 &#8211; Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6"},"content":{"rendered":"<p>V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a internet, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh ,IoT , m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh&#8230; IPv6 \u0111\u01b0\u1ee3c cho ra \u0111\u1eddi nh\u1eb1m \u00a0thay th\u1ebf cho kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IPv4 ng\u00e0y c\u00e0ng c\u1ea1n ki\u1ec7t. V\u01a1i kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 128 bit cho ph\u00e9p IPv6 cung c\u1ea5p 2<sup>128\u00a0<\/sup>=\u00a0340,282,366,920,938,463,463,374,607,431,768,211,456 (kho\u1ea3ng 3.4 \u00d7 10<sup>38<\/sup>) \u0111\u1ecba ch\u1ec9\u00a0\u00a0so v\u1edbi kh\u00f4ng gian IPv4 32 bit v\u1edbi s\u1ed1 \u0111\u1ecba ch\u1ec9 2<sup>32<\/sup>\u00a0= 4,294,967,296 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n \u00a04,3 t\u1ef7. IPv6 c\u00f3 m\u1ed9t kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 r\u1ea5t r\u1ea5t l\u1edbn, v\u1edbi kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 kh\u1ed5ng l\u1ed3 c\u1ee7a m\u00ecnh, IPv6 \u0111\u01b0\u1ee3c cho l\u00e0 s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u v\u1ec1 \u0111\u1ecba ch\u1ec9 IP trong hi\u1ec7n t\u1ea1i v\u00e0 t\u01b0\u01a1ng lai.<\/p>\n<p><strong>C\u00e1ch bi\u1ec3u di\u1ec3n c\u1ee7a \u0111\u1ecba ch\u1ec9 IPv6:<\/strong><\/p>\n<ul>\n<li>\u0110\u1ecba ch\u1ec9 IPv6 l\u00e0 \u0111\u1ecba ch\u1ec9 c\u00f3 \u0111\u1ed9 d\u00e0i 128 bit, hay 16 byte, \u0111\u01b0\u1ee3c chia th\u00e0nh 8 block, m\u1ed7i block c\u00f3 16 bit \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n (hexadecimal), \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi d\u1ea5u hai ch\u1ea5m (:).<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2320 \" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-3.png\" alt=\"\" width=\"540\" height=\"149\" \/><\/p>\n<p><strong>Quy t\u1eafc r\u00fat g\u1ecdn s\u1ed1 kh\u00f4ng (0) tr\u00ean IPv6:<\/strong><\/p>\n<ul>\n<li>\u0110\u1ec3 c\u00f3 th\u1ec3 \u0111\u01a1n gi\u1ea3n h\u01a1n, nh\u1eefng s\u1ed1 kh\u00f4ng (0) \u1edf \u0111\u1ea7u c\u00e1c block 16 bit c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ecf qua, c\u00e1c block ch\u1ee9a to\u00e0n s\u1ed1 kh\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c ph\u00e9p ghi t\u1eaft th\u00e0nh c\u00f2n m\u1ed9t s\u1ed1 kh\u00f4ng.<\/li>\n<li>C\u1eb7p d\u1ea5u \u00a0hai ch\u1ea5m (::) li\u00ean ti\u1ebfp, c\u00f3 th\u1ec3 thay th\u1ebf cho m\u1ed9t ho\u1eb7c nhi\u1ec1u block ch\u1ee9a to\u00e0n s\u1ed1 kh\u00f4ng li\u00ean t\u1ee5c. L\u01b0u \u00fd l\u00e0 c\u1eb7p \u00a0d\u1ea5u hai ch\u1ea5m (::) ch\u1ec9 xu\u1ea5t hi\u1ec7n m\u1ed9t l\u1ea7n duy nh\u1ea5t trong m\u1ed9t \u0111\u1ecba ch\u1ec9. Khi g\u1eb7p hai d\u1ea5u hai ch\u1ea5m li\u00ean ti\u1ebfp, m\u00e1y t\u00ednh s\u1ebd t\u1ef1 th\u00eam c\u00e1c s\u1ed1 0 v\u00e0o cho \u0111\u1ee7 128 bit.<\/li>\n<li>Kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p xu\u1ea5t hi\u1ec7n hai l\u1ea7n \u00a0c\u1eb7p d\u1ea5u hai ch\u1ea5m (::), m\u00e1y t\u00ednh s\u1ebd kh\u00f4ng hi\u1ec3u \u0111\u1ecba ch\u1ec9 n\u00e0y, ch\u00fang ta s\u1ebd kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00f3 bao nhi\u00eau block 0 trong \u0111\u1ecba ch\u1ec9. Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi ta s\u1ebd l\u1ef1a ch\u1ecdn c\u00e1c block 0 li\u00ean ti\u1ebfp nhau \u0111\u1ec3 r\u00fat g\u1ecdn.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2313 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-2.png\" alt=\"\" width=\"542\" height=\"133\" \/><\/p>\n<p><strong>C\u00e1c lo\u1ea1i \u0111\u1ecba ch\u1ec9 trong (Address types) IPv6:<\/strong><\/p>\n<p>IPV4 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c \u0111\u1ecba ch\u1ec9 Unicast, Broadcast v\u00e0 Multicast, c\u00f2n v\u1edbi IPv6 th\u00ec c\u00f3 c\u00e1c ki\u1ec3u <strong>Unicast<\/strong>, <strong>Multicast<\/strong> v\u00e0 <strong>Anycast<\/strong>. \u0110\u1ecba ch\u1ec9 Broadcast tr\u00ean IPv4 \u0111\u00e3 kh\u00f4ng c\u00f2n \u0111\u01b0\u01a1c s\u1eed d\u1ee5ng trong IPv6, vi\u1ec7c b\u1ecf broadcast l\u00e0 m\u1ed9t tin t\u1ed1t, n\u00f3 g\u00e2y ra r\u1ea5t nhi\u1ec1u v\u1ea5n \u0111\u1ec1 cho c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng, \u00a0Multicast \u00a0s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf. \u0110\u1ecba ch\u1ec9 anycast t\u1eebng \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u tr\u00ean IPv4 v\u00e0 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n tr\u00ean n\u1ec1n IPv6.<\/p>\n<ul>\n<li><strong>Unicast<\/strong>: M\u1ed9t \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t interface . C\u00e1c g\u00f3i tin \u0111\u01b0\u1ee3c g\u1edfi t\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 Unucast th\u00ec ch\u00fang \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn \u0111\u00fang interface \u0111\u01b0\u1ee3c g\u00e1n \u0111\u1ecba ch\u1ec9 \u0111\u00f3. \u0110\u1ecba ch\u1ec9 Unicast trong IPv6 g\u1ed3m c\u00e1c lo\u1ea1i \u0111\u1ea1i ch\u1ec9:\u00a0Global unicast addresses, Link-local addresses, Site-local address, Special addresses, Unique local addresses, Transition addresses (Ch\u00fang ta s\u1ebd l\u00e0m r\u00f5 trong b\u00e0i ti\u1ebfp theo).<\/li>\n<li><strong>Multicast<\/strong>: M\u1ed9t \u0111\u1ecba ch\u1ec9 multicast c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh danh cho nhi\u1ec1u interface tr\u00ean c\u00f9ng m\u1ed9t host ho\u1eb7c m\u1ed9t nh\u00f3m c\u00e1c host. V\u1edbi c\u00e1c interface \u0111\u01b0\u1ee3c g\u00e1n chung \u0111\u1ecba ch\u1ec9 multicast, khi m\u1ed9t g\u00f3i tin \u0111\u01b0\u1ee3c g\u1edfi \u0111\u1ebfn, ch\u00fang s\u1ebd c\u00f9ng nhau nh\u1eadn v\u00e0 x\u1eed l\u00fd g\u00f3i tin \u0111\u00f3.<\/li>\n<li><strong>Anycast<\/strong>: M\u1ed9t \u0111\u1ecba ch\u1ec9 anycast c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp cho nhi\u1ec1u interface. V\u1edbi m\u00f4 h\u00ecnh \u0111\u1ecbnh tuy\u1ebfn k\u1ebft h\u1ee3p v\u1edbi unicast, g\u00f3i tin t\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 unicast s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn m\u1ed9t interface duy nh\u1ea5t &#8211; interface g\u1ea7n nh\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ecba ch\u1ec9 anicast \u0111\u00f3. Interface g\u1ea7n nh\u1ea5t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng kho\u1ea3ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn (routing distance). \u0110\u1ecba ch\u1ec9 Multicast \u0111\u01b0\u1ee3c d\u00f9ng cho vi\u1ec7c giao ti\u1ebfp m\u1ed9t \u0111\u1ebfn nhi\u1ec1u (one-to-many) v\u1edbi vi\u1ec7c ph\u00e2n ph\u1ed1i \u0111\u1ebfn nhi\u1ec1u interface. \u00a0\u0110\u1ecba ch\u1ec9 Anycast \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho giao ti\u1ebfp m\u00f4t \u0111\u1ebfn m\u1ed9t c\u1ee7a nhi\u1ec1u (one-to-one of many), v\u1edbi vi\u1ec7c ph\u00e2n ph\u1ed1i v\u1edbi m\u1ed9t interface.<\/li>\n<\/ul>\n<p><strong>Prefix trong IPv6:<\/strong><\/p>\n<ul>\n<li>Prefix l\u00e0 ph\u1ea7n c\u1ee7a \u0111\u1ecba ch\u1ec9 m\u00e0 c\u00e1c bit c\u1ee7a n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh c\u00e1c gi\u00e1 tr\u1ecb ho\u1eb7c c\u00e1c bit \u0111\u00f3 \u0111\u1ecbnh danh cho m\u1ed9t route ho\u1eb7c subnet. Prefix c\u1ee7a IPv6 subnet v\u00e0 summarized route \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Classless Inter-Domain Routing (CIDR) c\u1ee7a IPv4. M\u1ed9t IPv6 prefix \u0111\u01b0\u1ee3c ghi <em><strong>address\/prefix-length<\/strong><\/em>. V\u00ed d\u1ee5:\u00a02001:DB8:2A0:2F3B::\/64 l\u00e0 subnet prefix,\u00a02001:DB8:3F::\/48 l\u00e0 summarized route prefix.<\/li>\n<li>Tr\u00ean IPv6 kh\u00f4ng c\u00f2n kh\u00e1i ni\u1ec7m subnet mask nh\u01b0 tr\u00ean IPv4, ch\u1ec9 c\u00f3 prefix length \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/li>\n<li>M\u1eb7c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 unicast IPv6 d\u00f9ng 64 bit d\u1ea7u ti\u00ean d\u00f9ng \u0111\u1ecbnh danh cho Network address (48 bit \u0111\u1ea7u) v\u00e0 Subnet address (16 bit ti\u1ebfp theo), 64 bit c\u00f2n l\u1ea1i d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh danh c\u00e1c interface. N\u00ean khi vi\u1ebft m\u1ed9t \u0111\u1ecba ch\u1ec9 unicast\u00a02001:DB8::2AC4:2AA:FF:FE9A:82D4 c\u00f3 ngh\u0129a l\u00e0\u00a02001:DB8::2AC4:2AA:FF:FE9A:82D4\/64.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2329 size-full aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-4.png\" alt=\"\" width=\"578\" height=\"179\" \/><\/p>\n<p><strong>C\u1ea5u h\u00ecnh t\u1ef1 \u0111\u1ed9ng c\u1ee7a IPv6 (Autoconfiguration):<\/strong><\/p>\n<p>IPv6 h\u1ed7 tr\u1ee3 m\u1ed9t t\u00ednh n\u0103ng\u00a0Autoconfiguration, t\u00ednh n\u0103ng n\u00e0y gi\u00fap thi\u1ebft b\u1ecb khi truy nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng m\u1ea1ng, n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111i t\u00ecm ki\u1ebfm network prefix b\u1eb1ng c\u00e1ch h\u1ecfi thi\u1ebft b\u1ecb \u0111\u1ecbnh tuy\u1ebfn, sau \u0111\u00f3 n\u00f3 d\u00f9ng th\u00f4ng tin n\u00e0y \u0111\u1ec3 k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a card m\u1ea1ng r\u1ed3i t\u1ea1i th\u00e0nh \u0111\u1ecba ch\u1ec9 IP v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 n\u00e0y \u0111\u1ec3 truy c\u1eadp. \u0110i\u1ec1u nay c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n ph\u1ea3i d\u00f9ng \u0111\u1ebfn DHCP server nh\u01b0 tr\u00ean IPv4. M\u1eb7c d\u00f9 v\u1eady ng\u01b0\u1eddi v\u1eabn h\u1ed7 tr\u1ee3 cho IPv6 d\u1ecbch v\u1ee5 DHCP server \u00a0v\u1edbi t\u00ean l\u00e0 DHCPv6, c\u00f3 ngh\u0129a l\u00e0 DHCP tr\u00ean n\u1ec1n IPv6.<\/p>\n<p><strong>C\u00e1c \u0111\u1ecba ch\u1ec9 IPv6 \u0111\u1eb7c bi\u1ec7t ( Special addresses):<\/strong><\/p>\n<ul>\n<li><strong>Unspecifed address:<\/strong> c\u00f3 d\u1ea1ng<strong>\u00a00:0:0:0:0:0:0:0<\/strong> ho\u1eb7c <strong>::<\/strong> t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ecba ch\u1ec9 <strong>0.0.0.0<\/strong> tr\u00ean c\u1ee7a IPv4. \u0110\u1ecba ch\u1ec9 n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng khi \u0111\u1ecba ch\u1ec9 ngu\u1ed3n ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. \u0110\u1ea1i ch\u1ec9 n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c g\u00e1n cho interface c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<li><strong>Loopback address:<\/strong> c\u00f3 d\u1ea1ng\u00a0<strong>0:0:0:0:0:0:0:1<\/strong> ho\u1eb7c <strong>::1<\/strong> t\u01b0\u1ee3ng t\u1ef1 nh\u01b0 \u0111\u1ecba ch\u1ec9 <strong>127.0.0.1<\/strong> tr\u00ean IPv4, l\u00e0 \u0111\u1ea1i ch\u1ec9 \u0111\u01b0\u1ee3c g\u00e1n cho loopbackup interface, cho ph\u00e9p m\u1ed9t node c\u00f3 th\u1ec3 c\u00f3 th\u1ec3 g\u1edfi g\u00f3i tin cho ch\u00ednh n\u00f3.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a internet, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh ,IoT , m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh&#8230; IPv6 \u0111\u01b0\u1ee3c cho ra \u0111\u1eddi nh\u1eb1m \u00a0thay th\u1ebf cho kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IPv4 ng\u00e0y c\u00e0ng c\u1ea1n ki\u1ec7t. V\u01a1i kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 128 bit cho ph\u00e9p IPv6 cung c\u1ea5p 2128\u00a0=\u00a0340,282,366,920,938,463,463,374,607,431,768,211,456 (kho\u1ea3ng 3.4 \u00d7 1038) \u0111\u1ecba ch\u1ec9\u00a0\u00a0so v\u1edbi kh\u00f4ng gian IPv4 32 bit v\u1edbi s\u1ed1 \u0111\u1ecba ch\u1ec9 232\u00a0= 4,294,967,296 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n \u00a04,3 t\u1ef7. IPv6 c\u00f3 m\u1ed9t kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 r\u1ea5t r\u1ea5t&hellip;<\/p>\n","protected":false},"author":2,"featured_media":2317,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[7,9],"tags":[44,45],"class_list":["post-1277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc","category-mang-co-ban","tag-ip-address","tag-ipv6"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0110\u1ecba ch\u1ec9 IPv6 - Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6 - EngISV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engisv.info\/?p=1277\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ecba ch\u1ec9 IPv6 - Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6 - EngISV\" \/>\n<meta property=\"og:description\" content=\"V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a internet, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh ,IoT , m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh&#8230; IPv6 \u0111\u01b0\u1ee3c cho ra \u0111\u1eddi nh\u1eb1m \u00a0thay th\u1ebf cho kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IPv4 ng\u00e0y c\u00e0ng c\u1ea1n ki\u1ec7t. V\u01a1i kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 128 bit cho ph\u00e9p IPv6 cung c\u1ea5p 2128\u00a0=\u00a0340,282,366,920,938,463,463,374,607,431,768,211,456 (kho\u1ea3ng 3.4 \u00d7 1038) \u0111\u1ecba ch\u1ec9\u00a0\u00a0so v\u1edbi kh\u00f4ng gian IPv4 32 bit v\u1edbi s\u1ed1 \u0111\u1ecba ch\u1ec9 232\u00a0= 4,294,967,296 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n \u00a04,3 t\u1ef7. IPv6 c\u00f3 m\u1ed9t kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 r\u1ea5t r\u1ea5t&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.engisv.info\/?p=1277\" \/>\n<meta property=\"og:site_name\" content=\"EngISV\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/engisv\" \/>\n<meta property=\"article:published_time\" content=\"2017-06-16T00:38:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"533\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hoanghiepktv\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hoanghiepktv\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277\"},\"author\":{\"name\":\"hoanghiepktv\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#\\\/schema\\\/person\\\/dcbab2ddc35f4c71f45c7e13f36367bf\"},\"headline\":\"\u0110\u1ecba ch\u1ec9 IPv6 &#8211; Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6\",\"datePublished\":\"2017-06-16T00:38:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277\"},\"wordCount\":1328,\"publisher\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.engisv.info\\\/wp-content\\\/uploads\\\/2017\\\/06\\\/IPv6-1.jpg\",\"keywords\":[\"IP address\",\"IPv6\"],\"articleSection\":[\"Ki\u1ebfn th\u1ee9c\",\"M\u1ea1ng c\u01a1 b\u1ea3n\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277\",\"url\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277\",\"name\":\"\u0110\u1ecba ch\u1ec9 IPv6 - Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6 - EngISV\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.engisv.info\\\/wp-content\\\/uploads\\\/2017\\\/06\\\/IPv6-1.jpg\",\"datePublished\":\"2017-06-16T00:38:26+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.engisv.info\\\/?p=1277\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#primaryimage\",\"url\":\"https:\\\/\\\/www.engisv.info\\\/wp-content\\\/uploads\\\/2017\\\/06\\\/IPv6-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.engisv.info\\\/wp-content\\\/uploads\\\/2017\\\/06\\\/IPv6-1.jpg\",\"width\":800,\"height\":533},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/?p=1277#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.engisv.info\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u0110\u1ecba ch\u1ec9 IPv6 &#8211; Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#website\",\"url\":\"https:\\\/\\\/www.engisv.info\\\/\",\"name\":\"EngISV\",\"description\":\"H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng vi\u1ec7c nh\u1ecf!\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.engisv.info\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#organization\",\"name\":\"EngISV\",\"url\":\"https:\\\/\\\/www.engisv.info\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.engisv.info\\\/wp-content\\\/uploads\\\/2018\\\/06\\\/logo2-3-1-1.png\",\"contentUrl\":\"https:\\\/\\\/www.engisv.info\\\/wp-content\\\/uploads\\\/2018\\\/06\\\/logo2-3-1-1.png\",\"width\":200,\"height\":76,\"caption\":\"EngISV\"},\"image\":{\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/engisv\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.engisv.info\\\/#\\\/schema\\\/person\\\/dcbab2ddc35f4c71f45c7e13f36367bf\",\"name\":\"hoanghiepktv\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/645a174195a58b43e64a66af9255c62adc3c73faba32dda89a76c2778e9b3172?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/645a174195a58b43e64a66af9255c62adc3c73faba32dda89a76c2778e9b3172?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/645a174195a58b43e64a66af9255c62adc3c73faba32dda89a76c2778e9b3172?s=96&d=mm&r=g\",\"caption\":\"hoanghiepktv\"},\"url\":\"https:\\\/\\\/www.engisv.info\\\/?author=2\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u0110\u1ecba ch\u1ec9 IPv6 - Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6 - EngISV","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.engisv.info\/?p=1277","og_locale":"en_US","og_type":"article","og_title":"\u0110\u1ecba ch\u1ec9 IPv6 - Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6 - EngISV","og_description":"V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a internet, s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng minh ,IoT , m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh&#8230; IPv6 \u0111\u01b0\u1ee3c cho ra \u0111\u1eddi nh\u1eb1m \u00a0thay th\u1ebf cho kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IPv4 ng\u00e0y c\u00e0ng c\u1ea1n ki\u1ec7t. V\u01a1i kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 128 bit cho ph\u00e9p IPv6 cung c\u1ea5p 2128\u00a0=\u00a0340,282,366,920,938,463,463,374,607,431,768,211,456 (kho\u1ea3ng 3.4 \u00d7 1038) \u0111\u1ecba ch\u1ec9\u00a0\u00a0so v\u1edbi kh\u00f4ng gian IPv4 32 bit v\u1edbi s\u1ed1 \u0111\u1ecba ch\u1ec9 232\u00a0= 4,294,967,296 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n \u00a04,3 t\u1ef7. IPv6 c\u00f3 m\u1ed9t kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 r\u1ea5t r\u1ea5t&hellip;","og_url":"https:\/\/www.engisv.info\/?p=1277","og_site_name":"EngISV","article_publisher":"https:\/\/www.facebook.com\/engisv","article_published_time":"2017-06-16T00:38:26+00:00","og_image":[{"width":800,"height":533,"url":"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-1.jpg","type":"image\/jpeg"}],"author":"hoanghiepktv","twitter_card":"summary_large_image","twitter_misc":{"Written by":"hoanghiepktv","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.engisv.info\/?p=1277#article","isPartOf":{"@id":"https:\/\/www.engisv.info\/?p=1277"},"author":{"name":"hoanghiepktv","@id":"https:\/\/www.engisv.info\/#\/schema\/person\/dcbab2ddc35f4c71f45c7e13f36367bf"},"headline":"\u0110\u1ecba ch\u1ec9 IPv6 &#8211; Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6","datePublished":"2017-06-16T00:38:26+00:00","mainEntityOfPage":{"@id":"https:\/\/www.engisv.info\/?p=1277"},"wordCount":1328,"publisher":{"@id":"https:\/\/www.engisv.info\/#organization"},"image":{"@id":"https:\/\/www.engisv.info\/?p=1277#primaryimage"},"thumbnailUrl":"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-1.jpg","keywords":["IP address","IPv6"],"articleSection":["Ki\u1ebfn th\u1ee9c","M\u1ea1ng c\u01a1 b\u1ea3n"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.engisv.info\/?p=1277","url":"https:\/\/www.engisv.info\/?p=1277","name":"\u0110\u1ecba ch\u1ec9 IPv6 - Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6 - EngISV","isPartOf":{"@id":"https:\/\/www.engisv.info\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.engisv.info\/?p=1277#primaryimage"},"image":{"@id":"https:\/\/www.engisv.info\/?p=1277#primaryimage"},"thumbnailUrl":"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-1.jpg","datePublished":"2017-06-16T00:38:26+00:00","breadcrumb":{"@id":"https:\/\/www.engisv.info\/?p=1277#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.engisv.info\/?p=1277"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.engisv.info\/?p=1277#primaryimage","url":"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-1.jpg","contentUrl":"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/IPv6-1.jpg","width":800,"height":533},{"@type":"BreadcrumbList","@id":"https:\/\/www.engisv.info\/?p=1277#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.engisv.info\/"},{"@type":"ListItem","position":2,"name":"\u0110\u1ecba ch\u1ec9 IPv6 &#8211; Ph\u1ea7n 1: T\u1ed5ng quan v\u1ec1 \u0111\u1ecba ch\u1ec9 IPv6"}]},{"@type":"WebSite","@id":"https:\/\/www.engisv.info\/#website","url":"https:\/\/www.engisv.info\/","name":"EngISV","description":"H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng vi\u1ec7c nh\u1ecf!","publisher":{"@id":"https:\/\/www.engisv.info\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.engisv.info\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.engisv.info\/#organization","name":"EngISV","url":"https:\/\/www.engisv.info\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.engisv.info\/#\/schema\/logo\/image\/","url":"https:\/\/www.engisv.info\/wp-content\/uploads\/2018\/06\/logo2-3-1-1.png","contentUrl":"https:\/\/www.engisv.info\/wp-content\/uploads\/2018\/06\/logo2-3-1-1.png","width":200,"height":76,"caption":"EngISV"},"image":{"@id":"https:\/\/www.engisv.info\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/engisv"]},{"@type":"Person","@id":"https:\/\/www.engisv.info\/#\/schema\/person\/dcbab2ddc35f4c71f45c7e13f36367bf","name":"hoanghiepktv","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/645a174195a58b43e64a66af9255c62adc3c73faba32dda89a76c2778e9b3172?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/645a174195a58b43e64a66af9255c62adc3c73faba32dda89a76c2778e9b3172?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/645a174195a58b43e64a66af9255c62adc3c73faba32dda89a76c2778e9b3172?s=96&d=mm&r=g","caption":"hoanghiepktv"},"url":"https:\/\/www.engisv.info\/?author=2"}]}},"_links":{"self":[{"href":"https:\/\/www.engisv.info\/index.php?rest_route=\/wp\/v2\/posts\/1277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.engisv.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.engisv.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.engisv.info\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.engisv.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1277"}],"version-history":[{"count":0,"href":"https:\/\/www.engisv.info\/index.php?rest_route=\/wp\/v2\/posts\/1277\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.engisv.info\/index.php?rest_route=\/wp\/v2\/media\/2317"}],"wp:attachment":[{"href":"https:\/\/www.engisv.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.engisv.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.engisv.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}