{"id":100102,"date":"2023-12-04T17:29:00","date_gmt":"2023-12-04T09:29:00","guid":{"rendered":"https:\/\/stg-optcore-staging.kinsta.cloud\/archive25874\/"},"modified":"2023-12-05T19:11:57","modified_gmt":"2023-12-05T11:11:57","slug":"archive25874","status":"publish","type":"post","link":"https:\/\/stg-optcore-staging.kinsta.cloud\/ja\/archive25874\/","title":{"rendered":"SFP28\u3068SFP +\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3001\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?"},"content":{"rendered":"\n

\u521d\u7248\u767a\u884c\u65e5: 2019 \u5e74 4 \u6708 18 \u65e5 <\/em><\/p>\n\n

\u65b0\u3057\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u5c0e\u5165\u3068\u7d4c\u6e08\u7684\u63a8\u9032\u529b\u306b\u3088\u308a\u3001\u591a\u304f\u306e\u4f01\u696d\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u74b0\u5883\u306f\u3001\u9ad8\u901f\u5316\u3001\u62e1\u5f35\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30ec\u30d9\u30eb\u306e\u5411\u4e0a\u306b\u5411\u304b\u3063\u3066\u3044\u307e\u3059\u3002 \u3054\u5b58\u3058\u306e\u3068\u304a\u308a\u3001\u3088\u308a\u5e83\u7bc4\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30b7\u30d5\u30c8\u306b\u306f\u3001\u3088\u308a\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5e2f\u57df\u5e45\u304c\u5fc5\u8981\u3067\u3059\u3002 \u305d\u306e\u305f\u3081\u3001 10GbE<\/a> \u304b\u3089 25GbE<\/a> \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u7d44\u7e54\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002 SFP+ \u3068 SFP28 \u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u76f8\u95a2\u30d5\u30a9\u30fc\u30e0 \u30d5\u30a1\u30af\u30bf\u3067\u3059\u3002<\/p>\n\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001SFP+ \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3068 SFP28 \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/a>\u306e\u9055\u3044\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u3002 <\/a> \u6c7a\u5b9a\u7684\u306a\u9055\u3044\u3068\u30b3\u30a2\u6a5f\u80fd\u3092\u8abf\u3079\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u3089\u3092\u9078\u629e\u3057\u3066\u8b58\u5225\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3059\u3002<\/p>\n\n

SFP+ \u3068 SFP28 \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u306e\u307e\u307e\u8aad\u307f\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002 <\/p>\n\n

<\/div>\n\n

10GbE\u306e\u57fa\u672c<\/h2>\n\n

10 \u30ae\u30ac\u30d3\u30c3\u30c8 \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8(10 GbE\u300110 GE\u3001\u307e\u305f\u306f 10 GigE)\u306f\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3092\u4ecb\u3057\u3066\u6bce\u79d2 100 \u5104\u30d3\u30c3\u30c8\u306e\u901f\u5ea6\u3067\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u7834\u58ca\u7684\u306a\u901a\u4fe1\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3059\u3002 \u3053\u306e\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308a\u3001\u30ed\u30fc\u30ab\u30eb\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(LAN)\u306b\u304a\u3051\u308b\u5f93\u6765\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3068\u4f7f\u3044\u6163\u308c\u305f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u7bc4\u56f2\u304c\u3001\u9ad8\u901f\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(SAN)\u3001\u30ef\u30a4\u30c9\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(WAN)\u3001\u30e1\u30c8\u30ed\u30dd\u30ea\u30bf\u30f3\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af(MAN)\u306a\u3069\u3001\u3088\u308a\u5e45\u5e83\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u62e1\u5f35\u3055\u308c\u307e\u3059\u3002<\/p>\n\n

10G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u63a5\u7d9a\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u3092\u79fb\u52d5\u3059\u308b\u305f\u3081\u306e\u3088\u308a\u52b9\u7387\u7684\u3067\u5b89\u4fa1\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 IEEE 802.3ae \u898f\u683c\u3067\u306f\u3001 \u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc<\/a>\u3067\u7269\u7406\u7684\u306a\u5834\u6240\u9593\u3092\u6700\u5927 100 km \u307e\u3067\u79fb\u52d5\u3067\u304d\u307e\u3059\u3002 \u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u3068\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u306e\u4e21\u65b9\u306e\u30d5\u30a1\u30a4\u30d0\u30fc<\/a>\u30b7\u30b9\u30c6\u30e0\u3092 10 GbE \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n

10 GbE \u898f\u683c\u306f\u3001\u65e2\u5b58\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u5b8c\u5168\u306b\u76f8\u4e92\u904b\u7528\u53ef\u80fd\u3067\u3059\u3002 \u5f93\u6765\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3068\u306f\u7570\u306a\u308a\u3001\u5168\u4e8c\u91cd\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308a\u3001Carrier Sense Multiple Access\/Collision Detection(CSMA\/CD)\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5fc5\u8981\u3068\u3057\u307e\u305b\u3093\u3002<\/p>\n\n

\u305d\u306e\u4ed6\u306e\u70b9\u3067\u306f\u300110 GbE \u306f\u5143\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u540c\u3058\u3067\u3059\u3002 10G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306f\u3001\u901f\u5ea6\u8981\u4ef6\u304c\u9ad8\u307e\u308b\u3068\u65e2\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u7c21\u5358\u306b\u5c55\u958b\u3067\u304d\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002 \u305d\u308c\u3067\u3082\u3001\u9ad8\u901f\u3001\u4f4e\u9045\u5ef6\u306e\u30cb\u30fc\u30ba\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n

<\/div>\n\n

SFP+\u3068\u306f?<\/h2>\n\n

SFP+ \u306f\u3001\u3088\u308a\u9ad8\u901f\u306a\u62e1\u5f35 SFP \u3067\u3059\u3002 \u305d\u306e\u4e00\u822c\u7684\u306a\u30ec\u30fc\u30c8\u306f10Gbps\u3067\u3059\u304c\u30018G\u308416G\u306a\u3069\u306e\u62e1\u5f35\u30d0\u30ea\u30a2\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002 SFP+ \u306f\u3001\u5f93\u6765\u306e SFP \u3068\u540c\u3058\u5916\u89b3\u3068\u30b5\u30a4\u30ba\u3082\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002 \u305d\u306e\u4ed5\u69d8\u306f SFF-8431<\/a> \u898f\u683c\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n\n

\u3053\u306e\u7528\u8a9e\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3059\u308b\u3068\u304d\u3001\u307b\u3068\u3093\u3069\u306e\u5358\u8a9e\u306fSFP +\u30e2\u30b8\u30e5\u30fc\u30eb\u3068SFP +\u30dd\u30fc\u30c8\u3067\u3059\u3002 \u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001 \u4ed6\u306e\u6295\u7a3f<\/a>\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n\n

\u4e00\u822c\u7684\u306b\u3001SFP +\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f\u3001SFP + \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/a>\u3001SFP + DAC\u3001<\/a>\u304a\u3088\u3073 SFP + AOC<\/a>\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n

\u4f8b\u3068\u3057\u3066SFP+\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002 \u307b\u3068\u3093\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001SFP+\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306f\u901a\u5e38\u300110G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073SDH\/SONET STM64\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002 \u4e00\u65b9\u3001\u30d5\u30a1\u30a4\u30d0\u30c1\u30e3\u30cd\u30ebSFP+\u306f\u3001SAN\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30678G\u307e\u305f\u306f16G\u306e\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002 <\/p>\n\n

\u4ee5\u524d\u306e 10G XENPAK\u300110G<\/a> X2\u3001\u304a\u3088\u3073 XFP \u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u3088\u308a\u3082\u5c0f\u578b\u3067\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u307b\u307c 2 \u500d\u306e\u30dd\u30fc\u30c8\u5bc6\u5ea6\u3092\u63d0\u4f9b\u3057\u3001\u5e02\u5834\u3067\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b 10G \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306b\u306a\u308a\u307e\u3057\u305f\u3002 <\/p>\n\n

\"SFP28
\u56f31:SFP28 SR\u3068SFP+ SR\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306e\u6bd4\u8f03<\/em><\/figcaption><\/figure>\n\n
<\/div>\n\n

SFP28\u3068\u306f?<\/h2>\n\n

SFP28\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u306f\u3001\u30b5\u30a4\u30ba\u3068\u5916\u89b3\u304cSFP+\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u306f\u308b\u304b\u306b\u9ad8\u901f\u306a28Gbps\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u300cSFP28\u300d\u3068\u3044\u3046\u540d\u524d\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n\n

\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001 SFP28<\/a> \u306f\u300125G\u307e\u305f\u306f28G\u63a5\u7d9a\u7528\u306b\u8a2d\u8a08\u3055\u308c\u305fSFP+\u306e\u62e1\u5f35\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3059\u3002 SFP+\u3068\u540c\u3058\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u3068\u5916\u89b3\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u30c1\u30e3\u30cd\u30eb\u3054\u3068\u306b\u6700\u592728Gbps\u306e\u96fb\u6c17\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n

SFP28 \u88fd\u54c1\u306f\u901a\u5e38\u3001SFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u3068 SFP28 \u30dd\u30fc\u30c8\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002 \u901a\u5e38\u3001SFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f\u3001SFP28 \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3001SFP28<\/a> DAC\u3001<\/a>\u304a\u3088\u3073 AOC<\/a> \u30b1\u30fc\u30d6\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n\n

SFP28 \u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001SFP28 \u30dd\u30fc\u30c8\u306f\u901a\u5e38\u3001\u30ef\u30a4\u30e4\u30ec\u30b9 \u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0 \u30b9\u30a4\u30c3\u30c1\u3068 BBU \u30c7\u30d0\u30a4\u30b9\u306b\u7d44\u307f\u7acb\u3066\u3089\u308c\u3001\u9069\u5207\u306a\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002<\/p>\n\n

<\/div>\n\n

SFP28 vs SFP+\u3001\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n\n

SFP28\u3068SFP+\u3092\u6bd4\u8f03\u3059\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u8868\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n

\u5f62<\/strong><\/td>\u6a19\u6e96<\/strong><\/td>\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8<\/strong><\/td>Wavelength<\/strong><\/td>\u30e1\u30c7\u30a3\u30a2<\/strong><\/td>\u8ddd\u96e2<\/strong><\/td>\u30b3\u30cd\u30af\u30bf<\/strong><\/td>DOM<\/strong><\/td>\u5927\u304d\u3055<\/strong><\/td>\u6d88\u8cbb\u96fb\u529b<\/strong><\/td>Application<\/strong><\/td>\u4fa1\u683c<\/strong><\/td><\/tr>
SFP+<\/td>SFP+ MSA<\/td>8G10G16G<\/td>850nm1310nm1550nmCWDM\u306eDWDMBiDi\u9285<\/td>OM3OM4SMF\u30c4\u30a4\u30f3\u30a2\u30c3\u30af\u30b9<\/td>120km<\/td>LCRJ-45<\/td>\u306f\u3044<\/td>SFP\u306b\u985e\u4f3c<\/td>Lower<\/td>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30a1\u30a4\u30d0\u30fc\u30c1\u30e3\u30cd\u30ebCPRI\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/td>$$<\/td><\/tr>
SFP28<\/td>IEEE 802.3bySFP28 MSA<\/td>25G32G<\/td>850nm1310nmCWDMDWDMBiDi\u9285<\/td>OM3OM4SMF\u30c4\u30a4\u30f3\u30a2\u30c3\u30af\u30b9<\/td>40km<\/td>LC<\/td>\u306f\u3044<\/td>SFP\u306b\u985e\u4f3c<\/td>\u9ad8\u3044<\/td>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u30af\u30e9\u30a6\u30c9\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/td>$$$<\/td><\/tr><\/tbody><\/table>
\u8868 1:SFP28 \u3068 SFP+ \u306e\u6bd4\u8f03<\/em><\/figcaption><\/figure>\n\n

\u3053\u306e\u8868\u306f\u3001\u4e21\u65b9\u304c\u540c\u3058\u5916\u89b3\u3092\u6301\u3061\u3001\u5d4c\u5408\u4e92\u63db\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \u307e\u305f\u3001SFF-8432\u304a\u3088\u3073SFF-8472\u3068\u540c\u69d8\u306e\u898f\u683c\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n