{"id":27222,"date":"2023-12-07T03:43:49","date_gmt":"2023-12-07T03:43:49","guid":{"rendered":"https:\/\/masterskills.org\/blog\/bang-thong-bandwidth-la-gi-hieu-ve-bang-thong.html"},"modified":"2023-12-22T14:55:12","modified_gmt":"2023-12-22T07:55:12","slug":"bang-thong-bandwidth-la-gi-hieu-ve-bang-thong","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/bang-thong-bandwidth-la-gi-hieu-ve-bang-thong.html","title":{"rendered":"B\u0103ng th\u00f4ng (Bandwidth) l\u00e0 g\u00ec? Hi\u1ec3u v\u1ec1 b\u0103ng th\u00f4ng"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda (Ngu\u1ed3n: localbackhaul.com)<\/p>\n<\/figcaption><\/figure>\n

B\u0103ng th\u00f4ng (Bandwidth)<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

B\u0103ng th\u00f4ng<\/b> trong ti\u1ebfng Anh l\u00e0 Bandwidth<\/b>.<\/p>\n

B\u0103ng th\u00f4ng<\/i> l\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh, \u0111o b\u1eb1ng bit\/gi\u00e2y (Bps). Thu\u1eadt ng\u1eef n\u00e0y c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00f4ng t\u1ee5c \u0111\u1ec3 ch\u1ec9 n\u0103ng l\u1ef1c c\u1ee7a m\u1ed9t ng\u01b0\u1eddi khi t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c nhi\u1ec7m v\u1ee5 ho\u1eb7c suy ngh\u0129 th\u1ea5u \u0111\u00e1o t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/p>\n

Hi\u1ec3u v\u1ec1 b\u0103ng th\u00f4ng<\/font><\/h3>\n

B\u0103ng th\u00f4ng l\u00e0 th\u01b0\u1edbc \u0111o l\u01b0\u1ee3ng th\u00f4ng tin m\u00e0 m\u1ed9t m\u1ea1ng, m\u1ed9t nh\u00f3m g\u1ed3m hai ho\u1eb7c nhi\u1ec1u thi\u1ebft b\u1ecb giao ti\u1ebfp v\u1edbi nhau, c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i. D\u1eef li\u1ec7u di chuy\u1ec3n t\u1eeb A \u0111\u1ebfn B gi\u1ed1ng nh\u01b0 n\u01b0\u1edbc ch\u1ea3y qua c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng t\u1eeb m\u1ed9t \u0111i\u1ec3m cung c\u1ea5p \u0111\u1ebfn v\u00f2i s\u1eed d\u1ee5ng.<\/p>\n

C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) th\u01b0\u1eddng bi\u1ec3u th\u1ecb t\u1ed1c \u0111\u1ed9 b\u0103ng th\u00f4ng t\u00ednh b\u1eb1ng h\u00e0ng tri\u1ec7u bit m\u1ed7i gi\u00e2y (Bps) hay megabits (Mbps) v\u00e0 h\u00e0ng t\u1ec9 Bps hay gigabits (Gbps). N\u00f3i chung, b\u0103ng th\u00f4ng c\u00e0ng l\u1edbn, m\u00e1y t\u00ednh t\u1ea3i th\u00f4ng tin t\u1eeb Internet c\u00e0ng nhanh, bao g\u1ed3m email ho\u1eb7c phim ph\u00e1t tr\u1ef1c tuy\u1ebfn.<\/p>\n

\u1ee6y ban Truy\u1ec1n th\u00f4ng Li\u00ean bang Hoa K\u1ef3 (FCC) \u0111\u1ecbnh ngh\u0129a t\u1ed1c \u0111\u1ed9 Internet b\u0103ng th\u00f4ng r\u1ed9ng l\u00e0 c\u00e1c k\u1ebft n\u1ed1i c\u00f3 b\u0103ng th\u00f4ng 25 Mbps \u0111\u1ec3 t\u1ea3i xu\u1ed1ng v\u00e0 3 Mbps khi t\u1ea3i l\u00ean. C\u00e1c nh\u00e0 cung c\u1ea5p s\u1ebd n\u00eau r\u00f5 l\u01b0\u1ee3ng b\u0103ng th\u00f4ng cho kh\u00e1ch h\u00e0ng, m\u1eb7c d\u00f9 con s\u1ed1 h\u1ecd \u0111\u01b0a ra c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ph\u1ea3n \u00e1nh \u0111\u00fang v\u1edbi l\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng th\u1ef1c s\u1ef1 nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n

K\u1ebft n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb ng\u1eaft qu\u00e3ng khi m\u1ed9t m\u1ea1ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi t\u1ed1c \u0111\u1ed9 th\u1ea5p nh\u1ea5t \u0111\u1ebfn m\u1ed9t s\u1ed1 m\u00e1y t\u00ednh c\u00f9ng m\u1ed9t l\u00fac. Nhi\u1ec1u m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00f9ng t\u1ed1c \u0111\u1ed9 b\u0103ng th\u00f4ng l\u00e0m ch\u1eadm b\u0103ng th\u00f4ng cho t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3 chung k\u1ebft n\u1ed1i.<\/p>\n

L\u1ecbch s\u1eed v\u1ec1 b\u0103ng th\u00f4ng<\/b><\/p>\n

T\u1eeb n\u0103m 1994, Internet \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i t\u1eeb m\u1ed9t c\u00f4ng ngh\u1ec7 th\u00edch h\u1ee3p, ch\u1ee7 y\u1ebfu ph\u1ee5c v\u1ee5 cho vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m tham gia nghi\u00ean c\u1ee9u c\u1ee7a ch\u00ednh ph\u1ee7, th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. V\u00e0o th\u00e1ng 12 n\u0103m 1995, \u0111\u00e3 c\u00f3 0,4% d\u00e2n s\u1ed1 th\u1ebf gi\u1edbi truy c\u1eadp Internet. \u0110\u1ebfn th\u00e1ng 6 n\u0103m nay, \u0111\u00e3 c\u00f3 h\u01a1n m\u1ed9t n\u1eeda d\u00e2n s\u1ed1 to\u00e0n c\u1ea7u truy c\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n

M\u1ecdi ng\u01b0\u1eddi gi\u1edd \u0111\u00e2y ph\u1ee5 thu\u1ed9c v\u00e0o Internet \u0111\u1ec3 giao ti\u1ebfp, mua s\u1eafm h\u00e0ng h\u00f3a, ki\u1ebfm thu nh\u1eadp, ti\u1ebfp c\u1eadn th\u00f4ng tin v\u00e0 gi\u1ea3i tr\u00ed. Trong nh\u1eefng n\u0103m qua, c\u00f4ng ngh\u1ec7 \u0111\u00e3 tr\u1edf n\u00ean \u0111a d\u1ea1ng h\u01a1n v\u1ec1 n\u1ed9i dung, s\u1ef1 tinh vi v\u00e0 s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi tham gia, c\u00f3 ngh\u0129a l\u00e0 l\u01b0\u1ee3ng b\u0103ng th\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u00e3 t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3.<\/p>\n

T\u1eeb cu\u1ed1i n\u0103m 2015 \u0111\u1ebfn qu\u00fd IV , t\u1ed1c \u0111\u1ed9 Internet trung b\u00ecnh t\u0103ng 28,6% l\u00ean 7,2 Mb\/gi\u00e2y. Ookla, m\u1ed9t c\u00f4ng ty chuy\u00ean v\u1ec1 th\u1eed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch Internet, tuy\u00ean b\u1ed1 r\u1eb1ng Singapore c\u00f3 kh\u1ea3 n\u0103ng b\u0103ng th\u00f4ng t\u1ed1t nh\u1ea5t th\u1ebf gi\u1edbi, v\u1edbi t\u1ed1c \u0111\u1ed9 tr\u1ef1c tuy\u1ebfn l\u00e0 153,85 Mbps, nhi\u1ec1u h\u01a1n g\u1ea5p \u0111\u00f4i t\u1ed1c \u0111\u1ed9 b\u1eb1ng th\u00f4ng 75,94 Mbps \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00ed t\u1ea1i Hoa K\u1ef3.<\/p>\n

Nhu c\u1ea7u b\u0103ng th\u00f4ng d\u1ef1 ki\u1ebfn s\u1ebd ti\u1ebfp t\u1ee5c t\u0103ng trong v\u00e0i n\u0103m t\u1edbi. \u0110\u1ebfn n\u0103m 2025, Di\u1ec5n \u0111\u00e0n Kinh t\u1ebf Th\u1ebf gi\u1edbi (WEF) \u01b0\u1edbc t\u00ednh r\u1eb1ng s\u1ebd c\u00f3 463 exabyte d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra m\u1ed7i ng\u00e0y tr\u00ean to\u00e0n c\u1ea7u. Trong vi\u1ec5n c\u1ea3nh n\u00e0y, n\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi h\u01a1n 212 t\u1ec9 DVD d\u1eef li\u1ec7u m\u1edbi c\u1ee9 m\u1ed7i 24 gi\u1edd.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: investopedia.com)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n B\u0103ng th\u00f4ng (ti\u1ebfng Anh: Bandwidth) l\u00e0 kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh, \u0111o b\u1eb1ng bit\/gi\u00e2y (Bps).\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27222"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=27222"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27222\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}