Tr\u00ean th\u1ecb tr\u01b0\u1eddng giao d\u1ecbch v\u00e0ng, b\u1ea1c v\u00e0 kim lo\u1ea1i qu\u00fd kh\u00e1c tr\u00ean th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf, nhi\u1ec1u nh\u00e0 giao d\u1ecbch \u0111\u1ea7u t\u01b0 nhi\u1ec1u th\u1eddi gian v\u00e0o vi\u1ec7c nghi\u00ean c\u1ee9u c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1eddng K, t\u00edn hi\u1ec7u ch\u1ec9 b\u00e1o v\u00e0 tin t\u1ee9c v\u0129 m\u00f4 nh\u01b0ng t\u1eeb l\u00e2u \u0111\u00e3 b\u1ecf b\u00ea vi\u1ec7c qu\u1ea3n l\u00fd qu\u1ef9 v\u00e0 b\u1ea3o v\u1ec7 r\u1ee7i ro. Nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u1ec3 nhi\u1ec1u l\u1ea7n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng ch\u00ednh x\u00e1c, nh\u01b0ng cu\u1ed1i c\u00f9ng v\u1eabn kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c t\u0103ng gi\u00e1 tr\u1ecb t\u00e0i kho\u1ea3n \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u tra nguy\u00ean nh\u00e2n, h\u1ea7u h\u1ebft \u0111\u1ec1u c\u00f3 2 v\u1ea5n \u0111\u1ec1 chung: s\u1ed1 l\u01b0\u1ee3ng v\u1ecb th\u1ebf m\u1edf t\u00f9y ti\u1ec7n v\u00e0 thi\u1ebfu ti\u00eau chu\u1ea9n v\u1ecb th\u1ebf khoa h\u1ecdc; thi\u1ebfu c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n h\u1eefu hi\u1ec7u \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn sau khi n\u1eafm gi\u1eef c\u00e1c v\u1ecb th\u1ebf ki\u1ebfm l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i, v\u00e0 th\u1ecb tr\u01b0\u1eddng l\u1ee3i nhu\u1eadn r\u1ea5t d\u1ec5 nhanh ch\u00f3ng r\u00fat lui.<\/p>\n
N\u1ebfu mu\u1ed1n tham gia th\u1ecb tr\u01b0\u1eddng kim lo\u1ea1i qu\u00fd l\u00e2u d\u00e0i th\u00ec c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t r\u1ee7i ro ho\u00e0n ch\u1ec9nh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o hai c\u00f4ng c\u1ee5 giao d\u1ecbch th\u1ef1c t\u1ebf \u0111\u1ec3 ph\u1ed5 bi\u1ebfn khoa h\u1ecdc: s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c c\u1ee7a Kelly \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc kh\u1edbp v\u1ecb tr\u00ed v\u00e0 l\u00f4 khoa h\u1ecdc, s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng b\u1ea3o to\u00e0n v\u1ed1n v\u00e0 d\u1eebng l\u1ed7 \u0111\u1ec3 kh\u00f3a r\u1ee7i ro v\u1ecb tr\u00ed v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau giao d\u1ecbch l\u00e0 c\u1eaft l\u1ed7 v\u00e0 \u0111\u1ec3 l\u1ee3i nhu\u1eadn t\u1ef1 do ch\u1ea1y. \u0110\u1ed3ng th\u1eddi, ch\u00fang ta s\u1ebd n\u00f3i v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng giao d\u1ecbch c\u1ee7a n\u1ec1n t\u1ea3ng WMAX \u0111\u1ec3 tri\u1ec3n khai b\u1ed9 gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd qu\u1ef9 n\u00e0y.<\/p>\n
1. B\u1ea3o to\u00e0n v\u1ed1n v\u00e0 d\u1eebng l\u1ed7: h\u1ea1n ch\u1ebf r\u1ee7i ro gi\u1ea3m gi\u00e1 v\u00e0 t\u1ea1o cho th\u1ecb tr\u01b0\u1eddng \u0111\u1ee7 ch\u1ed7 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n
C\u00e1c nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng nghe m\u1ed9t tri\u1ebft l\u00fd giao d\u1ecbch: c\u1eaft l\u1ed7 v\u00e0 \u0111\u1ec3 l\u1ee3i nhu\u1eadn ti\u1ebfp t\u1ee5c. N\u1ebfu b\u1ea1n mu\u1ed1n th\u1ef1c hi\u1ec7n c\u00e2u n\u00e0y, c\u00f3 nh\u1eefng thi\u1ebfu s\u00f3t r\u00f5 r\u00e0ng khi ch\u1ec9 d\u1ef1a v\u00e0o vi\u1ec7c \u0111\u1eb7t m\u1ee9c d\u1eebng l\u1ed7 c\u1ed1 \u0111\u1ecbnh tr\u01b0\u1edbc khi tham gia th\u1ecb tr\u01b0\u1eddng. L\u1ec7nh d\u1eebng l\u1ed7 c\u1ed1 \u0111\u1ecbnh th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t m\u1ee9c l\u1ed7 t\u1ed1i \u0111a trong giai \u0111o\u1ea1n \u0111\u1ea7u m\u1edf v\u1ecb th\u1ebf. Khi l\u1ec7nh kh\u00f4ng c\u00f2n l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i, m\u1ed9t khi th\u1ecb tr\u01b0\u1eddng \u0111\u1ea3o chi\u1ec1u nhanh ch\u00f3ng, l\u1ee3i nhu\u1eadn ban \u0111\u1ea7u c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng bi\u1ebfn m\u1ea5t, ho\u1eb7c th\u1eadm ch\u00ed chuy\u1ec3n t\u1eeb l\u00e3i sang l\u1ed7. L\u1ec7nh d\u1eebng l\u1ed7 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1eb1ng v\u1ed1n cung c\u1ea5p m\u1ed9t \u00fd t\u01b0\u1edfng ki\u1ec3m so\u00e1t r\u1ee7i ro linh ho\u1ea1t: khi m\u1ed9t v\u1ecb th\u1ebf t\u1ea1o ra l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i d\u01b0\u01a1ng, v\u1ecb th\u1ebf d\u1eebng l\u1ed7 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh g\u1ea7n v\u1edbi gi\u00e1 m\u1edf c\u1eeda. Sau khi \u0111i\u1ec1u ch\u1ec9nh ho\u00e0n t\u1ea5t, k\u1ebft qu\u1ea3 x\u1ea5u nh\u1ea5t c\u1ee7a giao d\u1ecbch n\u00e0y l\u00e0 kh\u00f4ng c\u00f3 l\u00e3i ho\u1eb7c l\u1ed7, \u0111i\u1ec1u n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n lo\u1ea1i b\u1ecf kh\u1ea3 n\u0103ng m\u1ea5t v\u1ed1n g\u1ed1c cho l\u1ec7nh n\u00e0y, \u0111\u1ed3ng th\u1eddi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c c\u01a1 h\u1ed9i ti\u1ebfp t\u1ee5c \u0111i theo xu h\u01b0\u1edbng v\u00e0 thu \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn th\u1ecb tr\u01b0\u1eddng l\u1edbn h\u01a1n.<\/p>\n
Tuy nhi\u00ean, c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m r\u00f5 r\u00e0ng trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m d\u1eebng l\u1ed7 theo c\u00e1ch th\u1ee7 c\u00f4ng. Th\u1ecb tr\u01b0\u1eddng kim lo\u1ea1i qu\u00fd bi\u1ebfn \u0111\u1ed9ng nhanh ch\u00f3ng v\u00e0 vi\u1ec7c theo d\u00f5i th\u1ecb tr\u01b0\u1eddng trong th\u1eddi gian d\u00e0i \u0111\u00f2i h\u1ecfi r\u1ea5t nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng. Nhi\u1ec1u nh\u00e0 giao d\u1ecbch kh\u00f4ng c\u00f3 th\u1eddi gian \u0111\u1ec3 di chuy\u1ec3n \u0111i\u1ec3m d\u1eebng l\u1ed7 k\u1ecbp th\u1eddi v\u00e0 b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn. \u0110\u1ed1i v\u1edbi lo\u1ea1i nhu c\u1ea7u giao d\u1ecbch n\u00e0y, WMAX \u0111\u01b0\u1ee3c trang b\u1ecb ch\u1ee9c n\u0103ng m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t \u0111\u1ec3 thi\u1ebft l\u1eadp b\u1ea3o to\u00e0n v\u1ed1n v\u00e0 d\u1eebng l\u1ed7. Khi c\u00e1c nh\u00e0 giao d\u1ecbch nh\u1eadn th\u1ea5y l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i \u1edf v\u1ecb th\u1ebf c\u1ee7a m\u00ecnh, h\u1ecd c\u00f3 th\u1ec3 nhanh ch\u00f3ng k\u00edch ho\u1ea1t c\u01a1 ch\u1ebf d\u1eebng l\u1ed7 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o v\u1ec1 v\u1ed1n v\u00e0 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n m\u1ee9c d\u1eebng l\u1ed7 \u0111\u1ebfn ph\u1ea1m vi chi ph\u00ed \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 thao t\u00e1c th\u1ee7 c\u00f4ng. Ch\u1ee9c n\u0103ng n\u00e0y \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i kim lo\u1ea1i qu\u00fd ph\u1ed5 bi\u1ebfn nh\u01b0 v\u00e0ng Lu\u00e2n \u0110\u00f4n v\u00e0 b\u1ea1c qu\u1ed1c t\u1ebf, gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch theo xu h\u01b0\u1edbng tr\u00e1nh ph\u1ea3i th\u01b0\u1eddng xuy\u00ean s\u1eeda \u0111\u1ed5i c\u00e1c tham s\u1ed1 l\u1ec7nh theo c\u00e1ch th\u1ee7 c\u00f4ng v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m so\u00e1t r\u1ee7i ro linh ho\u1ea1t thu\u1eadn ti\u1ec7n h\u01a1n.<\/p>\n
C\u1ea7n ph\u1ea3i hi\u1ec3u ranh gi\u1edbi m\u1ed9t c\u00e1ch kh\u00e1ch quan: b\u1ea3o to\u00e0n v\u1ed1n v\u00e0 d\u1eebng l\u1ed7 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 an to\u00e0n tuy\u1ec7t \u0111\u1ed1i. Trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 kho\u1ea3ng c\u00e1ch th\u1ecb tr\u01b0\u1eddng l\u00e0 do d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c tin t\u1ee9c n\u00f3ng h\u1ed5i g\u00e2y ra v\u00e0 t\u00ednh thanh kho\u1ea3n t\u1ea1m th\u1eddi kh\u00f4ng \u0111\u1ee7, t\u00ecnh tr\u1ea1ng tr\u01b0\u1ee3t gi\u00e1 v\u1eabn t\u1ed3n t\u1ea1i v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u1ec7nh d\u1eebng l\u1ed7 s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nghi\u00eam ng\u1eb7t \u1edf m\u1ee9c gi\u00e1 \u0111\u1eb7t tr\u01b0\u1edbc.<\/p>\n
2. S\u1ef1 k\u1ebft h\u1ee3p khoa h\u1ecdc gi\u1eefa quy m\u00f4 v\u00e0 v\u1ecb tr\u00ed l\u00f4: \u1ee8ng d\u1ee5ng c\u00f4ng th\u1ee9c Kelly trong giao d\u1ecbch v\u00e0ng<\/p>\n
Ki\u1ec3m so\u00e1t r\u1ee7i ro \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ea3o v\u1ec7 tr\u01b0\u1edbc v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch tr\u01b0\u1edbc. N\u1ebfu b\u1ea3o to\u00e0n v\u1ed1n v\u00e0 d\u1eebng l\u1ed7 l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 r\u1ee7i ro trong qu\u00e1 tr\u00ecnh n\u1eafm gi\u1eef v\u1ecb th\u1ebf th\u00ec qu\u1ea3n l\u00fd v\u1ecb th\u1ebf l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean tr\u01b0\u1edbc khi m\u1edf m\u1ed9t v\u1ecb th\u1ebf. Nhi\u1ec1u nh\u00e0 giao d\u1ecbch d\u1ef1a v\u00e0o tr\u1ef1c gi\u00e1c \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng l\u1ec7nh \u0111\u1eb7t. Khi xu h\u01b0\u1edbng di\u1ec5n ra, l\u1ee3i nhu\u1eadn s\u1ebd r\u1ea5t \u0111\u00e1ng k\u1ec3, nh\u01b0ng ch\u1ec9 m\u1ed9t v\u1ecb th\u1ebf n\u1eb7ng n\u1ec1 \u0111i ng\u01b0\u1ee3c l\u1ea1i xu h\u01b0\u1edbng s\u1ebd g\u00e2y ra s\u1ef1 tho\u00e1i lui m\u1ea1nh. C\u00f4ng th\u1ee9c Kelly l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u00ednh to\u00e1n v\u1ecb th\u1ebf \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 giao d\u1ecbch trung gian tr\u00ean th\u1ecb tr\u01b0\u1eddng s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n
Logic c\u1ed1t l\u00f5i c\u1ee7a c\u00f4ng th\u1ee9c Kelly d\u1ef1a v\u00e0o t\u1ef7 l\u1ec7 th\u1eafng v\u00e0 t\u1ef7 l\u1ec7 l\u00e3i l\u1ed7 d\u1ef1 ki\u1ebfn \u200b\u200bc\u1ee7a c\u00e1c giao d\u1ecbch trong l\u1ecbch s\u1eed \u0111\u1ec3 t\u00ednh to\u00e1n t\u1ef7 l\u1ec7 v\u1ed1n ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft \u0111\u1ec3 \u0111\u1ea7u t\u01b0, gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch tr\u00e1nh h\u00e0nh vi \u0111\u1ecbnh v\u1ecb n\u1eb7ng n\u1ec1 phi l\u00fd. M\u1ed9t s\u1ef1 hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m r\u00f5: C\u00f4ng th\u1ee9c Kelly kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c giao d\u1ecbch ti\u1ebfp theo s\u1ebd l\u00e3i hay l\u1ed7. N\u00f3 ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a k\u1ebf ho\u1ea1ch ph\u00e2n b\u1ed5 v\u1ed1n cho c\u00e1c giao d\u1ecbch d\u00e0i h\u1ea1n. Kh\u00f4ng c\u00f3 chuy\u1ec7n d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c \u0111\u1ec3 ki\u1ebfm l\u1ee3i nhu\u1eadn \u1ed5n \u0111\u1ecbnh.<\/p>\n
Th\u1ecb tr\u01b0\u1eddng v\u00e0ng c\u00f3 t\u00ednh bi\u1ebfn \u0111\u1ed9ng cao v\u00e0 c\u01a1 ch\u1ebf \u0111\u00f2n b\u1ea9y. \u0110\u1ea1i \u0111a s\u1ed1 c\u00e1c nh\u00e0 giao d\u1ecbch chuy\u00ean nghi\u1ec7p s\u1ebd kh\u00f4ng tr\u1ef1c ti\u1ebfp s\u1eed d\u1ee5ng Kelly \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 t\u00ednh to\u00e1n v\u1ecb th\u1ebf. Trong th\u1ef1c t\u1ebf, m\u00f4 h\u00ecnh n\u1eeda Kelly th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ee7 \u0111\u1ed9ng gi\u1ea3m v\u1ecb th\u1ebf v\u00e0 gi\u1ea3m b\u1edbt t\u00e1c \u0111\u1ed9ng l\u00ean t\u00e0i kho\u1ea3n do thua l\u1ed7 li\u00ean t\u1ee5c. C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 t\u00ednh to\u00e1n t\u1ef7 l\u1ec7 th\u1eafng trung b\u00ecnh v\u00e0 t\u1ef7 l\u1ec7 l\u00e3i l\u1ed7 c\u1ee7a c\u00e1c chi\u1ebfn l\u01b0\u1ee3c d\u1ef1a tr\u00ean h\u1ed3 s\u01a1 giao d\u1ecbch trong qu\u00e1 kh\u1ee9 c\u1ee7a h\u1ecd, t\u00ednh to\u00e1n quy m\u00f4 chi\u1ebfm d\u1ee5ng v\u1ed1n h\u1ee3p l\u00fd c\u1ee7a m\u1ed9t giao d\u1ecbch, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh s\u1ed1 l\u00f4 giao d\u1ecbch t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 t\u1ea1o th\u00e0nh quy t\u1eafc m\u1edf v\u1ecb th\u1ebf \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a.<\/p>\n
C\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u00fd thuy\u1ebft kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n n\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng c\u1ee7a n\u1ec1n t\u1ea3ng giao d\u1ecbch. Giao di\u1ec7n giao d\u1ecbch WMAX h\u1ed7 tr\u1ee3 \u0111i\u1ec1u ch\u1ec9nh linh ho\u1ea1t quy m\u00f4 l\u00f4 giao d\u1ecbch, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho nh\u00e0 giao d\u1ecbch c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c quy m\u00f4 v\u1ecb th\u1ebf d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n c\u00f4ng th\u1ee9c Kelly. Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c m\u00f4 h\u00ecnh qu\u1ea3n l\u00fd qu\u1ef9 \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 \u0111\u1eb7t l\u1ec7nh theo th\u1eddi gian th\u1ef1c c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch tho\u00e1t kh\u1ecfi th\u00f3i quen giao d\u1ecbch m\u1edf c\u00e1c v\u1ecb th\u1ebf d\u1ef1a tr\u00ean c\u1ea3m x\u00fac c\u1ee7a h\u1ecd v\u00e0 h\u00ecnh th\u00e0nh k\u1ef7 lu\u1eadt c\u1ed1 \u0111\u1ecbnh trong ki\u1ec3m so\u00e1t v\u1ecb th\u1ebf.<\/p>\n
3. \u1ee8ng d\u1ee5ng k\u1ebft h\u1ee3p: l\u1eadp k\u1ebf ho\u1ea1ch v\u1ecb th\u1ebf v\u1edbi \u0111\u1ea3m b\u1ea3o v\u1ed1n v\u00e0 d\u1eebng l\u1ed7 \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t quy tr\u00ecnh giao d\u1ecbch ho\u00e0n ch\u1ec9nh<\/p>\n
Quy tr\u00ecnh giao d\u1ecbch kim lo\u1ea1i qu\u00fd b\u1ec1n v\u1eefng c\u00f3 th\u1ec3 tham kh\u1ea3o tr\u00ecnh t\u1ef1 sau:<\/p>\n
Tr\u01b0\u1edbc khi m\u1edf m\u1ed9t v\u1ecb th\u1ebf, h\u00e3y \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u01a1 h\u1ed9i, s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c c\u1ee7a Kelly \u0111\u1ec3 t\u00ednh to\u00e1n v\u1ecb th\u1ebf h\u1ee3p l\u00fd cho giao d\u1ecbch n\u00e0y, x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng giao d\u1ecbch v\u00e0 h\u1ea1n ch\u1ebf m\u1ee9c l\u1ed7 ti\u1ec1m \u1ea9n t\u1ed1i \u0111a t\u1ea1i ngu\u1ed3n; \u0111\u1eb7t m\u1ee9c d\u1eebng l\u1ed7 ban \u0111\u1ea7u sau khi l\u1ec7nh \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh \u0111\u1ec3 ki\u1ec3m so\u00e1t r\u1ee7i ro do di\u1ec5n bi\u1ebfn ng\u01b0\u1ee3c c\u1ee7a th\u1ecb tr\u01b0\u1eddng g\u00e2y ra; khi th\u1ecb tr\u01b0\u1eddng di chuy\u1ec3n theo h\u01b0\u1edbng c\u1ee7a v\u1ecb th\u1ebf v\u00e0 t\u00edch l\u0169y m\u1ed9t kho\u1ea3n l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i nh\u1ea5t \u0111\u1ecbnh, h\u00e3y chuy\u1ec3n r\u1ee7i ro v\u1ecb th\u1ebf th\u00f4ng qua l\u1ec7nh d\u1eebng l\u1ed7 b\u1ea3o to\u00e0n v\u1ed1n ch\u1ec9 b\u1eb1ng m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t \u0111\u1ec3 gi\u1eef an to\u00e0n cho ti\u1ec1n g\u1ed1c; t\u00f9y theo s\u1ef1 ph\u00e1t tri\u1ec3n ti\u1ebfp theo c\u1ee7a th\u1ecb tr\u01b0\u1eddng, \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c d\u1eebng l\u1ed7 ho\u1eb7c ti\u1ebfp t\u1ee5c \u0111\u1ea9y m\u1ee9c d\u1eebng l\u1ed7 l\u00ean cao h\u01a1n cho ph\u00f9 h\u1ee3p \u0111\u1ec3 duy tr\u00ec c\u01a1 h\u1ed9i gi\u00e0nh \u0111\u01b0\u1ee3c th\u1ecb tr\u01b0\u1eddng l\u1edbn h\u01a1n.<\/p>\n
C\u1ea3 hai h\u1ee3p t\u00e1c v\u1edbi nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t tr\u01b0\u1edbc quy m\u00f4 v\u1ecb th\u1ebf v\u00e0 b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn c\u1ee7a v\u1ecb th\u1ebf trong su\u1ed1t qu\u00e1 tr\u00ecnh, t\u1ea1o th\u00e0nh m\u1ed9t bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t r\u1ee7i ro v\u00f2ng k\u00edn. T\u1ea5t nhi\u00ean, b\u1ea5t k\u1ef3 c\u00f4ng c\u1ee5 giao d\u1ecbch n\u00e0o c\u0169ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf v\u00e0 chi\u1ebfn l\u01b0\u1ee3c v\u1eabn c\u1ea7n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi nh\u1eadn \u0111\u1ecbnh c\u1ee7a ch\u00ednh nh\u00e0 giao d\u1ecbch v\u1ec1 nh\u1ecbp \u0111i\u1ec7u th\u1ecb tr\u01b0\u1eddng v\u00e0 kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c.<\/p>\n
4. Nh\u1eefng hi\u1ec3u l\u1ea7m v\u1ec1 ki\u1ec3m so\u00e1t r\u1ee7i ro m\u00e0 nh\u00e0 giao d\u1ecbch kim lo\u1ea1i qu\u00fd c\u1ea7n tr\u00e1nh<\/p>\n
Th\u1ee9 nh\u1ea5t, c\u00f3 qu\u00e1 nhi\u1ec1u s\u1ef1 nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c d\u1ef1 \u0111o\u00e1n th\u1ecb tr\u01b0\u1eddng v\u00e0 \u0111\u00e1nh gi\u00e1 th\u1ea5p vi\u1ec7c qu\u1ea3n l\u00fd v\u1ed1n. Ngay c\u1ea3 khi b\u1ea1n c\u00f3 t\u1ef7 l\u1ec7 th\u1eafng cao, c\u00e1c v\u1ecb th\u1ebf n\u1eb7ng n\u1ec1 kh\u00f4ng h\u1ee3p l\u00fd v\u1eabn s\u1ebd khi\u1ebfn t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n g\u1eb7p r\u1ee7i ro l\u1edbn h\u01a1n; th\u1ee9 hai, vi\u1ec7c s\u1eed d\u1ee5ng c\u1ee9ng nh\u1eafc c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m so\u00e1t r\u1ee7i ro, thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec3m d\u1eebng b\u1ea3o v\u1ec7 v\u1ed1n m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng trong \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng \u0111\u1ea7y bi\u1ebfn \u0111\u1ed9ng, v\u00e0 c\u00e1c \u0111\u1ee3t qu\u00e9t qua l\u1ea1i ng\u1eafn h\u1ea1n d\u1ec5 d\u00e0ng v\u00e0 tho\u00e1t ra th\u01b0\u1eddng xuy\u00ean; th\u1ee9 ba, huy\u1ec1n tho\u1ea1i v\u1ec1 c\u00e1c c\u00f4ng th\u1ee9c giao d\u1ecbch v\u00e0 ch\u1ee9c n\u0103ng \u0111\u1eb7t h\u00e0ng kh\u00e1c nhau, v\u00e0 ni\u1ec1m tin r\u1eb1ng m\u1ecdi r\u1ee7i ro th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch d\u1ef1a v\u00e0o c\u00e1c \u0111i\u1ec3m d\u1eebng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o v\u1ec1 v\u1ed1n v\u00e0 c\u00f4ng th\u1ee9c Kelly.<\/p>\n
\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0ng v\u00e0 b\u1ea1c, c\u01a1 h\u1ed9i th\u1ecb tr\u01b0\u1eddng x\u00e1c \u0111\u1ecbnh gi\u1edbi h\u1ea1n tr\u00ean c\u1ee7a l\u1ee3i nhu\u1eadn ti\u1ec1m n\u0103ng, trong khi c\u00e1c quy t\u1eafc ki\u1ec3m so\u00e1t r\u1ee7i ro ho\u00e0n ch\u1ec9nh x\u00e1c \u0111\u1ecbnh th\u1eddi gian t\u00e0i kho\u1ea3n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i tr\u00ean th\u1ecb tr\u01b0\u1eddng. C\u00f4ng th\u1ee9c Kelly quy \u0111\u1ecbnh vi\u1ec7c m\u1edf c\u00e1c v\u1ecb th\u1ebf, v\u1ed1n v\u00e0 l\u1ec7nh c\u1eaft l\u1ed7 b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u1ea3 hai c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u00e1ng k\u1ec3 h\u1ec7 th\u1ed1ng giao d\u1ecbch t\u1ed5ng th\u1ec3. WMAX cung c\u1ea5p nhi\u1ec1u lo\u1ea1i l\u1ec7nh v\u00e0 ch\u1ee9c n\u0103ng ph\u00e2n b\u1ed5 l\u00f4 linh ho\u1ea1t, cung c\u1ea5p c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 thi\u1ebft th\u1ef1c cho c\u00e1c nh\u00e0 giao d\u1ecbch kim lo\u1ea1i qu\u00fd c\u1ea5p c\u01a1 s\u1edf v\u00e0 trung c\u1ea5p \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd qu\u1ef9 \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a v\u00e0 gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch tham gia v\u00e0o th\u1ecb tr\u01b0\u1eddng kim lo\u1ea1i qu\u00fd qu\u1ed1c t\u1ebf m\u1ed9t c\u00e1ch chu\u1ea9n h\u00f3a v\u00e0 h\u1ee3p l\u00fd h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"
Ph\u00e2n t\u00edch chuy\u00ean s\u00e2u v\u1ec1 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd v\u1ed1n v\u00e0 ki\u1ec3m so\u00e1t r\u1ee7i ro trong giao d\u1ecbch kim lo\u1ea1i qu\u00fd. B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch chi ti\u1ebft c\u00e1ch \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c Kelly (v\u00e0 m\u00f4 h\u00ecnh b\u00e1n Kelly) \u0111\u1ec3 ho\u1ea1ch \u0111\u1ecbnh s\u1ed1 l\u00f4, v\u1ecb th\u1ebf m\u1edf m\u1ed9t c\u00e1ch khoa h\u1ecdc, \u0111\u1ed3ng th\u1eddi k\u1ebft h\u1ee3p v\u1edbi c\u01a1 ch\u1ebf d\u1eebng l\u1ed7 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o v\u1ed1n \u0111\u1ec3 kh\u00f3a l\u1ee3i nhu\u1eadn th\u1ea3 n\u1ed5i v\u00e0 c\u1eaft l\u1ed7, gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0ng b\u1ea1c tho\u00e1t kh\u1ecfi s\u1ef1 hi\u1ec3u l\u1ea7m v\u1ec1 giao d\u1ecbch d\u1ef1a tr\u00ean c\u1ea3m t\u00ednh v\u00e0 x\u00e2y d\u1ef1ng quy tr\u00ecnh ki\u1ec3m so\u00e1t r\u1ee7i ro v\u00f2ng k\u00edn b\u1ec1n v\u1eefng.<\/p>","protected":false},"author":1,"featured_media":10686,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[122],"tags":[1511,753,636],"class_list":["post-10685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial","tag-1511","tag-753","tag-636"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/10685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/comments?post=10685"}],"version-history":[{"count":1,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/10685\/revisions"}],"predecessor-version":[{"id":10687,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/10685\/revisions\/10687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media\/10686"}],"wp:attachment":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media?parent=10685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/categories?post=10685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/tags?post=10685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}