{"id":5466,"date":"2025-08-13T00:00:00","date_gmt":"2025-08-13T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-breakout-dac-and-why-breakout-dac-matters\/"},"modified":"2026-06-22T08:30:11","modified_gmt":"2026-06-22T08:30:11","slug":"what-is-breakout-dac-and-why-breakout-dac-matters","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-breakout-dac-and-why-breakout-dac-matters","title":{"rendered":"Breakout DAC l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

Trong th\u1ebf gi\u1edbi t\u1ed1c \u0111\u1ed9 cao c\u1ee7a c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng doanh nghi\u1ec7p, vi\u1ec7c qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 b\u0103ng th\u00f4ng v\u00e0 kh\u00f4ng gian v\u1eadt l\u00fd l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c. Trong khi c\u00e1c <\/span>c\u00e1p \u0111\u1ed3ng g\u1eafn tr\u1ef1c ti\u1ebfp (DAC)<\/strong><\/span><\/a> l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u00e1c k\u1ebft n\u1ed1i \u0111i\u1ec3m-\u0111i\u1ec3m, th\u00ec m\u1ed9t bi\u1ebfn th\u1ec3 chuy\u00ean d\u1ee5ng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u00f4i tr\u01b0\u1eddng m\u1eadt \u0111\u1ed9 cao: \u0111\u00f3 l\u00e0 <\/span>C\u00e1p breakout DAC<\/strong><\/span>. N\u1ebfu b\u1ea1n t\u1eebng th\u1eafc m\u1eafc \u201cc\u00e1p breakout DAC l\u00e0 g\u00ec<\/strong>\u201d v\u00e0 c\u00e1ch n\u00f3 kh\u00e1c bi\u1ec7t nh\u01b0 th\u1ebf n\u00e0o so v\u1edbi lo\u1ea1i ti\u00eau chu\u1ea9n, th\u00ec b\u1ea1n \u0111ang \u1edf \u0111\u00fang n\u01a1i. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd l\u00e0m r\u00f5 v\u1ec1 breakout DAC, kh\u00e1m ph\u00e1 nh\u1eefng l\u1ee3i th\u1ebf, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh, v\u00e0 gi\u1edbi thi\u1ec7u c\u00e1c gi\u1ea3i ph\u00e1p <\/span>LINK-PP \u0111\u00e1ng tin c\u1eady<\/strong><\/span> \u0111\u1ec3 v\u1eadn h\u00e0nh c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a b\u1ea1n.<\/span><\/p>\n\n\n\n

\u27a3 Breakout DAC Cable l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

V\u1ec1 b\u1ea3n ch\u1ea5t, m\u1ed9t c\u00e1p breakout DAC<\/strong> (\u0111\u00f4i khi g\u1ecdi l\u00e0 c\u00e1p ph\u00e2n nh\u00e1nh \u2013 fanout cable<\/strong>) l\u00e0 m\u1ed9t b\u1ed9 c\u00e1p \u0111\u1ed3ng, th\u1ee5 \u0111\u1ed9ng<\/em> duy nh\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ed9t c\u1ed5ng m\u1eadt \u0111\u1ed9 cao<\/strong> (nh\u01b0 QSFP28, QSFP+ ho\u1eb7c OSFP) tr\u00ean switch ho\u1eb7c router v\u1edbi nhi\u1ec1u<\/em> c\u1ed5ng t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n<\/strong> (nh\u01b0 SFP28, SFP+ ho\u1eb7c SFP) tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c, th\u01b0\u1eddng l\u00e0 m\u00e1y ch\u1ee7 ho\u1eb7c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1p DAC ti\u00eau chu\u1ea9n k\u1ebft n\u1ed1i m\u1ed9t c\u1ed5ng v\u1edbi m\u1ed9t c\u1ed5ng (v\u00ed d\u1ee5: QSFP28 t\u1edbi QSFP28), c\u00e1p breakout DAC th\u1ef1c s\u1ef1 \u201cph\u00e2n t\u00e1ch\u201d c\u00e1c k\u00eanh ho\u1eb7c \u0111\u01b0\u1eddng truy\u1ec1n t\u1eeb m\u00f4-\u0111un m\u1eadt \u0111\u1ed9 cao th\u00e0nh c\u00e1c k\u1ebft n\u1ed1i ri\u00eang l\u1ebb, t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/p>\n\n\n\n

\ud83d\udd0d C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh & C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/p>\n\n\n\n

    \n

  1. \u0110\u1ea7u n\u1ed1i m\u1eadt \u0111\u1ed9 cao (m\u1ed9t \u0111\u1ea7u):<\/strong> K\u1ebft th\u00fac b\u1eb1ng m\u1ed9t \u0111\u1ea7u n\u1ed1i \u0111\u01a1n nh\u01b0 QSFP+ (4x k\u00eanh 10G), QSFP28 (4x k\u00eanh 25G ho\u1eb7c 1x k\u00eanh 100G), ho\u1eb7c OSFP\/QSFP-DD cho m\u1eadt \u0111\u1ed9 cao h\u01a1n.<\/p><\/li>

  2. Nhi\u1ec1u \u0111\u1ea7u n\u1ed1i m\u1eadt \u0111\u1ed9 th\u1ea5p (\u0111\u1ea7u c\u00f2n l\u1ea1i):<\/strong> Chia th\u00e0nh th\u01b0\u1eddng l\u00e0 2, 4 ho\u1eb7c \u0111\u00f4i khi 8 c\u00e1p ri\u00eang bi\u1ec7t, m\u1ed7i c\u00e1p k\u1ebft th\u00fac b\u1eb1ng \u0111\u1ea7u n\u1ed1i nh\u01b0 SFP+ (10G), SFP28 (25G) ho\u1eb7c SFP (1G).<\/p><\/li>

  3. D\u00e2y \u0111\u1ed3ng t\u00edch h\u1ee3p:<\/strong> Truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec7n gi\u1eefa c\u00e1c c\u1ed5ng m\u1ed9t c\u00e1ch th\u1ee5 \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u (kh\u00e1c v\u1edbi c\u00e1p ch\u1ee7 \u0111\u1ed9ng ho\u1eb7c module quang
    <\/strong><\/a>). C\u00e1p DAC th\u1ee5 \u0111\u1ed9ng<\/strong> c\u00f3 chi ph\u00ed th\u1ea5p v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng \u00edt.<\/p><\/li>

  4. Ph\u00e2n t\u00e1ch k\u00eanh:<\/strong> Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n l\u00e0 t\u1eadn d\u1ee5ng c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n (Tx) v\u00e0 nh\u1eadn (Rx) \u0111\u1ed9c l\u1eadp trong \u0111\u1ea7u n\u1ed1i m\u1eadt \u0111\u1ed9 cao v\u00e0 \u0111\u1ecbnh tuy\u1ebfn t\u1eebng c\u1eb7p \u0111\u01b0\u1eddng \u0111\u1ebfn m\u1ed9t c\u1ed5ng t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n ri\u00eang bi\u1ec7t. V\u00ed d\u1ee5, m\u1ed9t c\u1ed5ng QSFP+<\/strong> (v\u1edbi 4 k\u00eanh 10G \u0111\u1ed9c l\u1eadp) k\u1ebft n\u1ed1i th\u00f4ng qua c\u00e1p DAC ph\u00e2n t\u00e1ch \u0111\u1ebfn b\u1ed1n c\u1ed5ng SFP+ ri\u00eang bi\u1ec7t<\/strong> (m\u1ed7i c\u1ed5ng x\u1eed l\u00fd m\u1ed9t k\u00eanh 10G).<\/p><\/li>\n<\/ol>\n\n\n\n

    \u27a3 C\u00e1p DAC ph\u00e2n t\u00e1ch so v\u1edbi C\u00e1p DAC ti\u00eau chu\u1ea9n: L\u00e0m r\u00f5 s\u1ef1 nh\u1ea7m l\u1eabn<\/strong><\/h2>\n\n\n\n

    H\u00e3y l\u00e0m r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/p>\n\n\n\n

    \n\n<\/colgroup>

    \u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th>

    C\u00e1p DAC ti\u00eau chu\u1ea9n<\/strong><\/p><\/th>

    C\u00e1p breakout DAC<\/strong><\/p><\/th><\/tr>

    Lo\u1ea1i k\u1ebft n\u1ed1i<\/strong><\/p><\/td>

    \u0110i\u1ec3m-\u0111i\u1ec3m (1:1)<\/p><\/td>

    T\u1eeb m\u1eadt \u0111\u1ed9 cao \u0111\u1ebfn nhi\u1ec1u c\u1ed5ng (1:4, 1:2, v.v.)<\/p><\/td><\/tr>

    Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/td>

    K\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp c\u00e1c switch, switch \u0111\u1ebfn server (k\u1ebft n\u1ed1i \u0111\u01a1n)<\/p><\/td>

    K\u1ebft n\u1ed1i switch l\u00f5i \u0111\u1ebfn nhi\u1ec1u switch TOR ho\u1eb7c server, t\u1ed1i \u01b0u h\u00f3a c\u00e1c c\u1ed5ng m\u1eadt \u0111\u1ed9 cao<\/p><\/td><\/tr>

    S\u1eed d\u1ee5ng c\u1ed5ng<\/strong><\/p><\/td>

    S\u1eed d\u1ee5ng m\u1ed9t c\u1ed5ng cho m\u1ed7i k\u1ebft n\u1ed1i<\/p><\/td>

    T\u1ed1i \u0111a h\u00f3a<\/strong> m\u1ed9t c\u1ed5ng m\u1eadt \u0111\u1ed9 cao cho nhi\u1ec1u k\u1ebft n\u1ed1i<\/p><\/td><\/tr>

    \u0110\u1ea7u c\u00e1p<\/strong><\/p><\/td>

    2 \u0111\u1ea7u n\u1ed1i gi\u1ed1ng nhau (v\u00ed d\u1ee5: QSFP28 \u0111\u1ebfn QSFP28)<\/p><\/td>

    1 \u0111\u1ea7u n\u1ed1i m\u1eadt \u0111\u1ed9 cao (v\u00ed d\u1ee5: QSFP+) + nhi\u1ec1u \u0111\u1ea7u n\u1ed1i m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n (v\u00ed d\u1ee5: 4x SFP+)<\/p><\/td><\/tr>

    Chi ph\u00ed tr\u00ean m\u1ed7i c\u1ed5ng<\/strong><\/p><\/td>

    Cao h\u01a1n (s\u1eed d\u1ee5ng c\u1ed5ng chuy\u00ean d\u1ee5ng)<\/p><\/td>

    Lower<\/strong> (chia s\u1ebb chi ph\u00ed c\u1ee7a c\u1ed5ng m\u1eadt \u0111\u1ed9 cao)<\/p><\/td><\/tr>

    \u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/strong><\/p><\/td>

    \u0110\u01a1n gi\u1ea3n h\u01a1n<\/p><\/td>

    Y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh c\u1ed5ng ch\u00ednh x\u00e1c (ch\u1ebf \u0111\u1ed9 ph\u00e2n t\u00e1ch<\/em>) tr\u00ean switch<\/p><\/td><\/tr>

    V\u00ed d\u1ee5<\/strong><\/p><\/td>

    C\u00e1p DAC QSFP28 (100G \u0111\u1ebfn 100G)<\/p><\/td>

    C\u00e1p QSFP+ sang 4x SFP+<\/strong> (chia 40G th\u00e0nh 4x 10G)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

    \u27a3 T\u1ea1i sao n\u00ean d\u00f9ng c\u00e1p DAC ph\u00e2n t\u00e1ch? Nh\u1eefng l\u1ee3i th\u1ebf ch\u00ednh<\/strong><\/h2>\n\n\n\n
      \n

    1. Ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3:<\/strong> \u0110\u00e2y th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y l\u1edbn nh\u1ea5t. C\u00e1p DAC ph\u00e2n t\u00e1ch<\/strong> t\u1eadn d\u1ee5ng chi ph\u00ed th\u01b0\u1eddng th\u1ea5p h\u01a1n tr\u00ean m\u1ed7i c\u1ed5ng<\/strong> c\u1ee7a c\u00e1c c\u1ed5ng switch m\u1eadt \u0111\u1ed9 cao. Thay v\u00ec mua b\u1ed1n c\u1ed5ng SFP+ 10G ri\u00eang l\u1ebb v\u00e0 c\u00e1p \u0111i k\u00e8m, b\u1ea1n ch\u1ec9 d\u00f9ng m\u1ed9t c\u1ed5ng QSFP+ v\u00e0 m\u1ed9t c\u00e1p ph\u00e2n t\u00e1ch, gi\u1ea3m m\u1ea1nh t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/strong> cho k\u1ebft n\u1ed1i, \u0111\u1eb7c bi\u1ec7t khi so s\u00e1nh v\u1edbi nhi\u1ec1u b\u1ed9 thu ph\u00e1t quang v\u00e0 c\u00e1p quang. C\u00e1p DAC th\u1ee5 \u0111\u1ed9ng<\/strong> v\u1ed1n r\u1ebb h\u01a1n c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ee7 \u0111\u1ed9ng ho\u1eb7c quang h\u1ecdc.<\/p><\/li>

    2. T\u1ed1i \u0111a h\u00f3a m\u1eadt \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ed5ng:<\/strong> C\u00e1p ph\u00e2n t\u00e1ch khai th\u00e1c \u0111\u00fang ti\u1ec1m n\u0103ng c\u1ee7a c\u00e1c switch m\u1eadt \u0111\u1ed9 cao. M\u1ed9t c\u1ed5ng QSFP28 duy nh\u1ea5t (100G) c\u00f3 th\u1ec3 cung c\u1ea5p b\u1ed1n c\u1ed5ng 25G \u0111\u1ed9c l\u1eadp<\/strong> k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7 s\u1eed d\u1ee5ng DAC ph\u00e2n t\u00e1ch (breakout DAC), c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 vi\u1ec7c s\u1eed d\u1ee5ng kh\u00f4ng gian rack v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u1ea3n l\u00fd c\u00e1p so v\u1edbi vi\u1ec7c ch\u1ea1y b\u1ed1n c\u00e1p ri\u00eang bi\u1ec7t t\u1eeb b\u1ed1n c\u1ed5ng ri\u00eang l\u1ebb. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi
      chuy\u1ec3n m\u1ea1ch \u0111\u1ea7u rack (top-of-rack - TOR)
      <\/strong> and ki\u1ebfn tr\u00fac l\u00e1-gai (leaf-spine architectures)
      <\/strong>.<\/p><\/li>

    3. Gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng:
      <\/strong> Gi\u1ed1ng nh\u01b0 m\u1ecdi DAC th\u1ee5 \u0111\u1ed9ng, c\u00e1c bi\u1ebfn th\u1ec3 DAC ph\u00e2n t\u00e1ch ti\u00eau th\u1ee5 r\u1ea5t \u00edt \u0111i\u1ec7n n\u0103ng (th\u01b0\u1eddng < 0,1W m\u1ed7i \u0111\u1ea7u) so v\u1edbi c\u00e1p \u0111\u1ed3ng ch\u1ee7 \u0111\u1ed9ng (AECs) ho\u1eb7c b\u1ed9 thu ph\u00e1t quang (c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 1W ho\u1eb7c h\u01a1n m\u1ed7i module). \u0110i\u1ec1u n\u00e0y g\u00f3p ph\u1ea7n gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng th\u1ea5p h\u01a1n trong m\u00f4i tr\u01b0\u1eddng m\u1eadt \u0111\u1ed9 cao.
      .<\/p><\/li>

    4. \u0110\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n:
      <\/strong> K\u1ebft n\u1ed1i \u0111i\u1ec7n t\u1eed th\u1ee5 \u0111\u1ed9ng cung c\u1ea5p \u0111\u1ed9 tr\u1ec5 th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 cho c\u00e1c \u1ee9ng d\u1ee5ng kho\u1ea3ng c\u00e1ch ng\u1eafn b\u00ean trong rack ho\u1eb7c gi\u1eefa c\u00e1c rack li\u1ec1n k\u1ec1.
      .<\/p><\/li>

    5. \u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c \u0111i d\u00e2y (so v\u1edbi nhi\u1ec1u c\u00e1p \u0111\u01a1n):
      <\/strong> M\u1eb7c d\u00f9 vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c nh\u00e1nh c\u1ee7a c\u00e1p ph\u00e2n t\u00e1ch \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n th\u1eadn, nh\u01b0ng th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n h\u01a1n so v\u1edbi vi\u1ec7c qu\u1ea3n l\u00fd b\u1ed1n c\u00e1p DAC ri\u00eang bi\u1ec7t ch\u1ea1y t\u1eeb c\u00f9ng m\u1ed9t nh\u00f3m c\u1ed5ng switch. N\u00f3 gi\u00fap gi\u1ea3m s\u1ef1 l\u1ed9n x\u1ed9n c\u1ee7a c\u00e1p \u1edf ph\u00eda switch.
      .<\/p><\/li>\n<\/ol>\n\n\n\n

      C\u00e1c \u1ee9ng d\u1ee5ng & tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn
      <\/strong><\/p>\n\n\n\n

      C\u00e1p DAC ph\u00e2n t\u00e1ch ph\u00e1t huy hi\u1ec7u qu\u1ea3 trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3:
      <\/p>\n\n\n\n

        \n

      1. K\u1ebft n\u1ed1i c\u00e1c switch l\u00f5i\/t\u1ed5ng h\u1ee3p v\u1edbi c\u00e1c switch TOR:
        <\/strong> M\u1ed9t c\u1ed5ng QSFP28 m\u1eadt \u0111\u1ed9 cao tr\u00ean switch l\u00f5i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1p DAC ph\u00e2n t\u00e1ch (v\u00ed d\u1ee5: QSFP28 sang 4x SFP28) \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi b\u1ed1n switch TOR ri\u00eang bi\u1ec7t, m\u1ed7i switch nh\u1eadn m\u1ed9t \u0111\u01b0\u1eddng uplink 25G. C\u00e1ch n\u00e0y t\u1eadn d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c c\u1ed5ng switch l\u00f5i.
        .<\/p><\/li>

      2. K\u1ebft n\u1ed1i m\u00e1y ch\u1ee7 m\u1eadt \u0111\u1ed9 cao (TOR \u0111\u1ebfn m\u00e1y ch\u1ee7):
        <\/strong> M\u1ed9t switch TOR c\u00f3 c\u1ed5ng QSFP+ c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng
        c\u00e1p DAC ph\u00e2n t\u00e1ch QSFP+ sang 4x SFP+
        <\/strong> \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi b\u1ed1n m\u00e1y ch\u1ee7, m\u1ed7i m\u00e1y ch\u1ee7 nh\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t k\u1ebft n\u1ed1i 10G chuy\u00ean d\u1ee5ng, t\u1ed1i \u0111a h\u00f3a gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c c\u1ed5ng switch TOR. L\u00fd t\u01b0\u1edfng cho
        c\u00e1c rack m\u00e1y ch\u1ee7
        <\/strong> c\u1ea7n nhi\u1ec1u k\u1ebft n\u1ed1i 10G ho\u1eb7c 25G.
        .<\/p><\/li>

      3. K\u1ebft n\u1ed1i m\u1ea3ng l\u01b0u tr\u1eef:
        <\/strong> K\u1ebft n\u1ed1i c\u00e1c m\u1ea3ng l\u01b0u tr\u1eef b\u0103ng th\u00f4ng cao (\u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c c\u1ed5ng m\u1eadt \u0111\u1ed9 cao) v\u1edbi nhi\u1ec1u m\u00e1y ch\u1ee7 ho\u1eb7c switch.
        .<\/p><\/li>

      4. C\u00e1c l\u1ed9 tr\u00ecnh n\u00e2ng c\u1ea5p:
        <\/strong> N\u00e2ng c\u1ea5p d\u1ea7n t\u1eeb k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7 10G (SFP+) l\u00ean 25G\/100G m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf ngay l\u1eadp t\u1ee9c t\u1ea5t c\u1ea3 c\u00e1c card NIC m\u00e1y ch\u1ee7. S\u1eed d\u1ee5ng c\u00e1p DAC ph\u00e2n t\u00e1ch t\u1eeb c\u00e1c switch 100G (QSFP28) m\u1edbi \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 10G hi\u1ec7n t\u1ea1i cho \u0111\u1ebfn khi ho\u00e0n t\u1ea5t vi\u1ec7c n\u00e2ng c\u1ea5p.
        .<\/p><\/li>\n<\/ol>\n\n\n\n

        \u26a0\ufe0f L\u01b0u \u00fd quan tr\u1ecdng: Ch\u1ebf \u0111\u1ed9 ph\u00e2n t\u00e1ch (Breakout Mode)
        <\/strong><\/p>\n\n\n\n

        C\u1ed5ng chuy\u1ec3n m\u1ea1ch k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u m\u1eadt \u0111\u1ed9 cao<\/em> c\u1ee7a c\u00e1p DAC chia k\u00eanh PH\u1ea2I<\/strong> \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh r\u00f5 r\u00e0ng cho ch\u1ebf \u0111\u1ed9 ph\u00e2n t\u00e1ch<\/strong> (\u0111\u00f4i khi g\u1ecdi l\u00e0 chia c\u1ed5ng ho\u1eb7c k\u00eanh h\u00f3a). \u0110i\u1ec1u n\u00e0y b\u00e1o cho b\u1ed9 chuy\u1ec3n m\u1ea1ch bi\u1ebft c\u00e1ch x\u1eed l\u00fd m\u1ed9t c\u1ed5ng v\u1eadt l\u00fd \u0111\u01a1n l\u1ebb nh\u01b0 nhi\u1ec1u c\u1ed5ng logic (v\u00ed d\u1ee5: c\u1ea5u h\u00ecnh c\u1ed5ng QSFP+ 40G th\u00e0nh 4x 10G). Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch hay m\u1ecdi c\u1ed5ng \u0111\u1ec1u h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng chia k\u00eanh. Lu\u00f4n tham kh\u1ea3o t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch tr\u01b0\u1edbc khi tri\u1ec3n khai c\u00e1p DAC chia k\u00eanh.<\/strong><\/p>\n\n\n\n

        \u27a3 LINK-PP: \u0110\u1ed1i t\u00e1c tin c\u1eady c\u1ee7a b\u1ea1n cho gi\u1ea3i ph\u00e1p c\u00e1p DAC chia k\u00eanh<\/strong><\/h2>\n\n\n\n
        \"breakout<\/figure>\n\n\n\n

        Khi hi\u1ec7u su\u1ea5t, \u0111\u1ed9 tin c\u1eady v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong c\u00e1c k\u1ebft n\u1ed1i m\u1eadt \u0111\u1ed9 cao c\u1ee7a b\u1ea1n, c\u00e1p DAC chia k\u00eanh LINK-PP<\/strong> mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ea1t ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t, s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u t\u1ed1t nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 doanh nghi\u1ec7p then ch\u1ed1t.<\/p>\n\n\n\n

        M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn v\u1ec1 c\u00e1p DAC chia k\u00eanh LINK-PP:<\/strong><\/p>\n\n\n\n