Trong l\u0129nh v\u1ef1c m\u1ea1ng, b\u0103ng th\u00f4ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u1ea1ch m\u00e1u c\u1ee7a truy\u1ec1n d\u1eef li\u1ec7u\u2014m\u1ed9t th\u01b0\u1edbc \u0111o dung l\u01b0\u1ee3ng c\u00f3 s\u1eb5n cho lu\u1ed3ng d\u1eef li\u1ec7u tr\u00ean m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n nh\u1ea5t \u0111\u1ecbnh. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 nh\u01b0 chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1ed9t xa l\u1ed9: xa l\u1ed9 c\u00e0ng r\u1ed9ng th\u00ec c\u00e0ng c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n (g\u00f3i d\u1eef li\u1ec7u) c\u00f3 th\u1ec3 di chuy\u1ec3n c\u00f9ng l\u00fac. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng b\u1eb1ng bit tr\u00ean gi\u00e2y (bps), v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb ph\u1ed5 bi\u1ebfn nh\u01b0 kilobit (Kbps), megabit (Mbps) v\u00e0 gigabit (Gbps) m\u00f4 t\u1ea3 quy m\u00f4 c\u1ee7a dung l\u01b0\u1ee3ng n\u00e0y.<\/p>\n
V\u1ec1 b\u1ea3n ch\u1ea5t, b\u0103ng th\u00f4ng bi\u1ec3u th\u1ecb t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1i \u0111a qua m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn m\u1ea1ng. Tuy nhi\u00ean, \u0111\u1ecbnh ngh\u0129a n\u00e0y, m\u1eb7c d\u00f9 ch\u00ednh x\u00e1c, ch\u1ec9 l\u00e0 ph\u1ea7n n\u1ed5i c\u1ee7a t\u1ea3ng b\u0103ng ch\u00ecm. B\u0103ng th\u00f4ng th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi th\u00f4ng l\u01b0\u1ee3ng, \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u th\u1ef1c t\u1ebf \u0111\u1ea1t \u0111\u01b0\u1ee3c. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u1ea1ng proxy, n\u01a1i nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n
B\u0103ng th\u00f4ng so v\u1edbi th\u00f4ng l\u01b0\u1ee3ng<\/strong>: B\u0103ng th\u00f4ng l\u00e0 ti\u1ec1m n\u0103ng, m\u1ee9c t\u1ed1i \u0111a l\u00fd thuy\u1ebft; th\u00f4ng l\u01b0\u1ee3ng l\u00e0 kh\u1ea3 n\u0103ng th\u1ef1c t\u1ebf c\u1ee7a ti\u1ec1m n\u0103ng \u0111\u00f3. V\u00ed d\u1ee5, m\u1ed9t m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 c\u00f3 b\u0103ng th\u00f4ng l\u00e0 100 Mbps, nh\u01b0ng do t\u1eafc ngh\u1ebdn m\u1ea1ng ho\u1eb7c \u0111\u1ed9 tr\u1ec5, th\u00f4ng l\u01b0\u1ee3ng ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ea1t 80 Mbps.<\/p>\n<\/li>\n \u0110\u1ed9 tr\u1ec5<\/strong>: \u0110\u00e2y l\u00e0 \u0111\u1ed9 tr\u1ec5 tr\u01b0\u1edbc khi d\u1eef li\u1ec7u b\u1eaft \u0111\u1ea7u truy\u1ec1n theo l\u1ec7nh. Ngay c\u1ea3 v\u1edbi b\u0103ng th\u00f4ng cao, \u0111\u1ed9 tr\u1ec5 cao c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf hi\u1ec7u su\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u trao \u0111\u1ed5i d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh ho\u1eb7c ch\u01a1i game tr\u1ef1c tuy\u1ebfn.<\/p>\n<\/li>\n M\u1ea5t g\u00f3i tin<\/strong>:Trong m\u1ea1ng proxy, n\u1ebfu c\u00e1c g\u00f3i d\u1eef li\u1ec7u b\u1ecb m\u1ea5t trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i\u2014do s\u1ef1 c\u1ed1 m\u1ea1ng ho\u1eb7c m\u00e1y ch\u1ee7 qu\u00e1 t\u1ea3i\u2014th\u00f4ng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf s\u1ebd gi\u1ea3m, m\u1eb7c d\u00f9 b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng v\u1eabn c\u00f2n.<\/p>\n<\/li>\n<\/ol>\n M\u00e1y ch\u1ee7 proxy ho\u1ea1t \u0111\u1ed9ng nh\u01b0 trung gian, \u0111\u1ecbnh tuy\u1ebfn y\u00eau c\u1ea7u t\u1eeb m\u00e1y kh\u00e1ch \u0111\u1ebfn internet v\u00e0 chuy\u1ec3n ti\u1ebfp ph\u1ea3n h\u1ed3i tr\u1edf l\u1ea1i. T\u01b0\u01a1ng t\u00e1c n\u00e0y gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 s\u1eafc th\u00e1i li\u00ean quan \u0111\u1ebfn b\u0103ng th\u00f4ng:<\/p>\n C\u00e1c lo\u1ea1i Proxy<\/strong>: C\u00e1c lo\u1ea1i proxy kh\u00e1c nhau (proxy chuy\u1ec3n ti\u1ebfp, proxy ng\u01b0\u1ee3c, proxy trong su\u1ed1t) c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t kh\u00e1c nhau \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng. V\u00ed d\u1ee5, proxy ng\u01b0\u1ee3c c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a b\u0103ng th\u00f4ng b\u1eb1ng c\u00e1ch l\u01b0u tr\u1eef n\u1ed9i dung th\u01b0\u1eddng xuy\u00ean truy c\u1eadp, gi\u1ea3m nhu c\u1ea7u ph\u1ea3i truy xu\u1ea5t nhi\u1ec1u l\u1ea7n c\u00f9ng m\u1ed9t d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7 g\u1ed1c.<\/p>\n<\/li>\n C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: M\u1ea1ng proxy th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng t\u1ea3i \u0111\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng \u0111\u1ebfn \u0111\u1ec1u tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 t\u0103ng c\u01b0\u1eddng s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ed7i.<\/p>\n<\/li>\n \u0110\u1ecbnh h\u00ecnh giao th\u00f4ng<\/strong>: M\u1ed9t s\u1ed1 proxy tri\u1ec3n khai ch\u00ednh s\u00e1ch \u0111\u1ecbnh h\u00ecnh l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec3 qu\u1ea3n l\u00fd ph\u00e2n b\u1ed5 b\u0103ng th\u00f4ng gi\u1eefa nh\u1eefng ng\u01b0\u1eddi d\u00f9ng. B\u1eb1ng c\u00e1ch \u01b0u ti\u00ean m\u1ed9t s\u1ed1 lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh (nh\u01b0 VoIP h\u01a1n l\u00e0 t\u1ea3i xu\u1ed1ng t\u1ec7p), c\u00e1c proxy n\u00e0y c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng chung.<\/p>\n<\/li>\n<\/ul>\n \u0110\u1ec3 ph\u00e2n t\u00edch s\u00e2u h\u01a1n vai tr\u00f2 c\u1ee7a b\u0103ng th\u00f4ng trong m\u1ea1ng proxy, h\u00e3y xem x\u00e9t c\u00e1c th\u00f4ng s\u1ed1 sau:<\/p>\n H\u00e3y xem x\u00e9t m\u1ed9t k\u1ecbch b\u1ea3n trong \u0111\u00f3 m\u1ed9t c\u00f4ng ty s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp internet c\u1ee7a m\u00ecnh. T\u1ed5 ch\u1ee9c c\u00f3 b\u0103ng th\u00f4ng chuy\u00ean d\u1ee5ng l\u00e0 500 Mbps.<\/p>\n Thi\u1ebft l\u1eadp k\u1ecbch b\u1ea3n<\/strong>: Nh\u00e2n vi\u00ean \u0111ang truy c\u1eadp nhi\u1ec1u d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y kh\u00e1c nhau th\u00f4ng qua proxy. Proxy \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c t\u1ec7p th\u01b0\u1eddng truy c\u1eadp, gi\u00fap gi\u1ea3m b\u1edbt m\u1ed9t s\u1ed1 c\u0103ng th\u1eb3ng v\u1ec1 b\u0103ng th\u00f4ng.<\/p>\n<\/li>\n Gi\u00e1m s\u00e1t b\u0103ng th\u00f4ng<\/strong>:Trong gi\u1edd cao \u0111i\u1ec3m, m\u00e1y ch\u1ee7 proxy b\u00e1o c\u00e1o:<\/p>\n<\/li>\n M\u1ea5t g\u00f3i tin: 2%<\/p>\n<\/li>\n Ph\u00e2n t\u00edch<\/strong>: \u1ede \u0111\u00e2y, ch\u00fang ta th\u1ea5y r\u1eb1ng trong khi b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng l\u00e0 500 Mbps, th\u00f4ng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf l\u00e0 350 Mbps cho th\u1ea5y c\u00f3 nh\u1eefng y\u1ebfu t\u1ed1 \u0111ang di\u1ec5n ra, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 tr\u1ec5 v\u00e0 m\u1ea5t g\u00f3i tin, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t. Vi\u1ec7c m\u1ea5t g\u00f3i tin 2%, m\u1eb7c d\u00f9 c\u00f3 v\u1ebb nh\u1ecf, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ch\u1eadm tr\u1ec5 \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c truy xu\u1ea5t d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c.<\/p>\n<\/li>\n \u0110i\u1ec1u ch\u1ec9nh<\/strong>:\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, c\u00f4ng ty c\u00f3 th\u1ec3 quy\u1ebft \u0111\u1ecbnh tri\u1ec3n khai c\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec7m b\u1ed5 sung ho\u1eb7c t\u0103ng ph\u00e2n b\u1ed5 b\u0103ng th\u00f4ng, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m t\u1ed5ng th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<\/ol>\n Trong \u0111i\u1ec7u nh\u1ea3y ph\u1ee9c t\u1ea1p c\u1ee7a d\u1eef li\u1ec7u trong m\u1ea1ng proxy, b\u0103ng th\u00f4ng n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t, tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c s\u1eafc th\u00e1i c\u1ee7a n\u00f3\u2014t\u1eeb dung l\u01b0\u1ee3ng \u0111\u1ebfn th\u00f4ng l\u01b0\u1ee3ng, \u0111\u1ed9 tr\u1ec5 \u0111\u1ebfn m\u1ea5t g\u00f3i tin\u2014c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 m\u1ea1ng c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf t\u1ed1t h\u01a1n c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng ch\u1ec9 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u hi\u1ec7n t\u1ea1i m\u00e0 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho t\u01b0\u01a1ng lai. C\u0169ng gi\u1ed1ng nh\u01b0 m\u1ed9t th\u00e0nh ph\u1ed1 \u0111\u01b0\u1ee3c quy ho\u1ea1ch t\u1ed1t \u0111\u00e1p \u1ee9ng c\u1ea3 l\u01b0u l\u01b0\u1ee3ng giao th\u00f4ng v\u00e0 nhu c\u1ea7u c\u1ee7a c\u1ed9ng \u0111\u1ed3ng, m\u1ed9t m\u1ea1ng proxy \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t c\u0169ng khai th\u00e1c b\u0103ng th\u00f4ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c t\u01b0\u01a1ng t\u00e1c d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch, \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi g\u00f3i tin \u0111\u1ec1u \u0111\u1ebfn \u0111\u00edch m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 duy\u00ean d\u00e1ng.<\/p>","protected":false},"excerpt":{"rendered":" Understanding Bandwidth in the Context of Proxy Networks In the realm of networking, bandwidth serves as the lifeblood of data transmission\u2014a measure of the capacity available for data flow over a given medium. Imagine it as the width of a highway: the wider the highway, the more vehicles (data packets) can travel simultaneously. Similarly, bandwidth […]<\/p>\n","protected":false},"author":2,"featured_media":425,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[149,151,92,93,47,150,103,102,152,50],"class_list":["post-424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network","tag-bandwidth","tag-bandwidth-management","tag-broadband","tag-connectivity","tag-data-transfer","tag-digital-infrastructure","tag-internet-speed","tag-network-performance","tag-online-streaming","tag-technology"],"acf":[],"_links":{"self":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/comments?post=424"}],"version-history":[{"count":0,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/424\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media\/425"}],"wp:attachment":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media?parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/categories?post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/tags?post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}T\u01b0\u01a1ng t\u00e1c c\u1ee7a b\u0103ng th\u00f4ng v\u1edbi Proxy<\/h4>\n
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C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh c\u1ee7a b\u0103ng th\u00f4ng<\/h4>\n
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M\u1ed9t v\u00ed d\u1ee5 th\u1ef1c t\u1ebf: B\u0103ng th\u00f4ng trong h\u00e0nh \u0111\u1ed9ng<\/h4>\n
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Ph\u1ea7n k\u1ebft lu\u1eadn<\/h3>\n