{"id":84457,"date":"2023-12-29T07:58:29","date_gmt":"2023-12-29T07:58:29","guid":{"rendered":"https:\/\/science-hub.click\/DOCSIS%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC\/"},"modified":"2023-12-29T07:58:29","modified_gmt":"2023-12-29T07:58:29","slug":"DOCSIS%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6%E8%A9%B3%E3%81%97%E3%81%8F%E8%A7%A3%E8%AA%AC","status":"publish","type":"post","link":"https:\/\/science-hub.click\/?p=84457","title":{"rendered":"DOCSIS\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac"},"content":{"rendered":"

DOCSIS \u306f<\/strong>\u3001 Data<\/strong> Over<\/strong> Cable<\/strong> Service<\/strong> Interface<\/strong> Specification<\/strong>\u306e\u7565\u79f0\u3067\u3059\u3002<\/p>

\u5c0e\u5165<\/span><\/h2>

DOCSIS \u306f\u3001\u30b1\u30fc\u30d6\u30eb\u30c6\u30ec\u30d3<\/a><\/span>\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf<\/a><\/span>\u30b7\u30b9\u30c6\u30e0\u306e\u901a\u4fe1\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9<\/a><\/span>\u3068\u64cd\u4f5c\u30b5\u30dd\u30fc\u30c8\u8981\u4ef6\u3092\u5b9a\u7fa9\u3059\u308b\u7279\u5b9a\u306e\u898f\u683c\u3067\u3059\u3002\u65e2\u5b58\u306e\u30b1\u30fc\u30d6\u30eb \u30c6\u30ec\u30d3 \u30b7\u30b9\u30c6\u30e0\u306b\u9ad8\u901f<\/a><\/span>\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u8ffd\u52a0<\/a><\/span>\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u65e2\u5b58\u306e\u540c\u8ef8\u304a\u3088\u3073\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9<\/a><\/span>\u30d5\u30a1\u30a4\u30d0\u30fc<\/span>(HFC) \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u4ecb\u3057\u3066\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u3092<\/a><\/span>\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u591a\u304f\u306e\u30b1\u30fc\u30d6\u30eb \u30c6\u30ec\u30d3\u4e8b\u696d\u8005\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306eDOCSIS<\/a><\/span>\u4ed5\u69d8\u306f\u30011997 \u5e74 3 \u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3 1.0 \u3067\u30011999 \u5e74 4 \u6708\u306b\u30ea\u30d3\u30b8\u30e7\u30f3 1.1 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3057\u305f\u3002DOCSIS\u6a19\u6e96<\/a><\/span>\u306f\u73fe\u5728\u30d0\u30fc\u30b8\u30e7\u30f3 2.0 \u3067\u30012002 \u5e74 1 \u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3 3.0 \u306f\u958b\u767a\u4e2d\u3067\u3059\u3002 DOCSIS \u8a8d\u5b9a\u6a5f\u5668\u306e\u30ea\u30b9\u30c8\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u3001DOCSIS \u306e\u3059\u3079\u3066\u306e\u6280\u8853\u7684\u5074\u9762\u3092\u30ab\u30d0\u30fc\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3001 www.cablemodem.com<\/a>\u306b\u3042\u308a\u307e\u3059\u3002<\/p>

DOCSIS \u306e\u6b27\u5dde\u7248\u306f EuroDOCSIS \u3068\u547c\u3070\u308c\u307e\u3059\u3002\u4e3b\u306a\u9055\u3044\u306f\u3001\u30e8\u30fc\u30ed\u30c3\u30d1<\/a><\/span>\u306e\u30b1\u30fc\u30d6\u30eb \u30c1\u30e3\u30cd\u30eb\u304c 8MHz \u5e45 (PAL) \u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u5317\u7c73<\/a><\/span>\u306e<\/a><\/span>\u30b1\u30fc\u30d6\u30eb \u30c1\u30e3\u30cd\u30eb\u306f 6MHz \u5e45 (NTSC) \u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3088\u308a\u591a\u304f\u306e\u5e2f\u57df\u5e45\u3092\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf\u30d5\u30ed\u30fc<\/a><\/span>\u306b\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059 (\u30e6\u30fc\u30b6\u30fc\u306e\u89b3\u70b9\u304b\u3089\u898b\u308b\u3068<\/a><\/span>\u3001<\/a><\/span>\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u30c7\u30fc\u30bf\u306e\u53d7\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u306f\u30c7\u30fc\u30bf\u306e\u9001\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059)\u3002\u65e5\u672c\u306b\u306f\u5225\u306e<\/a><\/span>DOCSIS \u30d5\u30ec\u30fc\u30d0\u30fc\u3082\u3042\u308a\u307e\u3059\u3002<\/p>

\n\"<\/figure>

\u7279\u5fb4<\/span><\/h2>

DOCSIS \u306f\u3001TDMA ( Time<\/strong> Division<\/strong> Multiple<\/strong> Access<\/strong> )\/SCDMA ( Synchronous<\/strong> Code<\/strong> Division<\/strong> Multiple<\/strong> Access<\/strong> ) \u30a2\u30af\u30bb\u30b9\u65b9\u5f0f\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 DOCSIS \u30b7\u30b9\u30c6\u30e0\u3067\u306f\u885d\u7a81\u304c<\/a><\/span>\u767a\u751f\u3057\u306a\u3044\u305f\u3081\u3001\u3053\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/a><\/span>\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>

DOCSIS \u6a19\u6e96\u5185\u306b\u306f\u3001\u30a2\u30af\u30bb\u30b9\u65b9\u5f0f\u306b\u95a2\u4fc2\u306a\u304f\u3001\u8a2d\u5b9a\u3067\u304d\u308b OSI \u30ec\u30a4\u30e4 1 \u304a\u3088\u3073 2 \u306e\u3055\u307e\u3056\u307e\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002 64QAM \u304b\u3089\u6700\u5927 256QAM \u307e\u3067\u306e\u30c7\u30b8\u30bf\u30eb<\/span>\u5909\u8abf\u304c\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30e0<\/a><\/span>\u5909\u8abf\u306b\u4f7f\u7528\u3055\u308c\u3001QPSK \u307e\u305f\u306f 16QAM \u5909\u8abf\u304c\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf \u30b9\u30c8\u30ea\u30fc\u30e0\u5909\u8abf\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5e2f\u57df\u5e45\u306f<\/a><\/span>\u3001DOCSIS 1.0\/1.1 \u3067 400kHz \u304b\u3089 3.2MHz \u307e\u3067\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002 DOCSIS 2.0 \u3067\u306f\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u5909\u8abf (64QAM) \u3084\u3088\u308a\u5e83\u3044\u30c1\u30e3\u30cd\u30eb (6.4MHz) \u306a\u3069\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002 DOCSIS 2.0 \u6a19\u6e96\u3067\u306f\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf \u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u5165\u529b\u30ad\u30e3\u30f3\u30bb\u30eb\u304c\u5c0e\u5165\u3055\u308c\u3001\u901f\u5ea6\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u6539\u5584\u70b9\u3092\u3059\u3079\u3066\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u30c1\u30e3\u30cd\u30eb\u3042\u305f\u308a 30.72 Mbit\/s \u306e\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u901f\u5ea6\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002 DOCSIS 1.0 \u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u901f\u5ea6\u306f 5 Mbps \u306b\u5236\u9650\u3055\u308c\u3001DOCSIS 1.1 \u3067\u306f 10 Mbps \u306b\u5236\u9650\u3055\u308c\u307e\u3059\u3002 DOCSIS \u6a19\u6e96\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u30c1\u30e3\u30cd\u30eb\u3042\u305f\u308a\u6700\u5927 38 Mbit\/s \u306e\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf \u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>

\n\"<\/figure>

\u88c5\u7f6e<\/span><\/h2>

\u30b1\u30fc\u30d6\u30eb\u4f1a\u793e\u304c\u4f7f\u7528\u3059\u308b\u30d8\u30c3\u30c9\u30a8\u30f3\u30c9\u88c5\u7f6e\u3067\u3042\u308b CMTS ( Cable<\/strong> M<\/strong> odem Termination<\/strong> System<\/strong> ) \u306f\u3001 DSL<\/strong> ( Digital<\/strong> Subscriber<\/strong> Line<\/strong> )\u6280\u8853<\/a><\/span>\u306b\u304a\u3051\u308bDSLAM<\/span> (Digital Subscriber<\/strong> Line Access<\/strong> Multiplexer<\/strong> ) \u306b\u76f8\u5f53\u3057\u307e\u3059\u3002 CMTS \u306f\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u3068\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u304c\u63a5\u7d9a\u3055\u308c\u308b\u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3068\u306f\u7570\u306a\u308a\u3001\u53cc\u65b9\u5411\u901a\u4fe1\u3092<\/a><\/span>\u63d0\u4f9b\u3059\u308b\u306b\u306f\u3001\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u5c11\u306a\u304f\u3068\u3082 2 \u3064\u306e\u7269\u7406\u30dd\u30fc\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u56de\u8def\u306e\u30ce\u30a4\u30ba<\/a><\/span>\u306b\u3088\u308a\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u306e\u6570\u304c\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u3088\u308a\u3082\u591a\u304f\u306a\u308a\u307e\u3059\u3002 DOCSIS 2.0 \u307e\u3067\u306f\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u306f\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u307b\u3069\u901f\u304f\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u4e3b\u306a\u7406\u7531\u306f\u5e72\u6e09\u56de\u7dda\u30ce\u30a4\u30ba\u3067\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u306e\u6570\u304c\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u306e\u6570\u3092\u4e0a\u56de\u3063\u3066\u3044<\/a><\/span>\u307e\u3057\u305f\u3002\u5358\u4e00\u306e\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u306e\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u5e72\u6e09\u30ce\u30a4\u30ba\u304c\u52a0\u7b97\u3055\u308c\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u505c\u6b62\u3057\u307e\u3059\u3002<\/p>

\u30b1\u30fc\u30d6\u30eb\u4f1a\u793e\u306f DOCSIS \u30b7\u30b9\u30c6\u30e0\u3092\u7d71\u5408\u3059\u308b\u524d\u306b\u3001HFC (\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc<\/strong>\u540c\u8ef8<\/strong>)\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092<\/a><\/span>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u3066\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30ea\u30bf\u30fc\u30f3 \u30d1\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u306a\u3051\u308c\u3070\u3001\u53e4\u3044 DOCSIS 1.0 \u6a19\u6e96\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ea\u30bf\u30fc\u30f3 \u30d1\u30b9\u306bPOTS<\/a><\/span> ( Plain<\/strong> Old<\/strong> Telephone<\/strong> Service) \u3092\u4f7f\u7528\u3057\u306a\u304c\u3089\u3001<\/a><\/span>\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf\u8ee2\u9001<\/a><\/span>\u306b\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002 HFC \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3059\u3067\u306b\u53cc\u65b9\u5411\u307e\u305f\u306f\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u3067\u3042\u308b\u5834\u5408\u3001DOCSIS \u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c<\/a><\/span>\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>

\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/span>\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f<\/a><\/span>\u30b1\u30fc\u30d6\u30eb \u30e2\u30c7\u30e0<\/a><\/span>\u306b\u63a5\u7d9a\u3055\u308c\u3001\u30b1\u30fc\u30d6\u30eb \u30e2\u30c7\u30e0\u306f HFC \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066 CMTS \u306b\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001CMTS \u306f\u30b1\u30fc\u30d6\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/a><\/span>\u306e\u9593\u3067\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002\u30b1\u30fc\u30d6\u30eb \u30aa\u30da\u30ec\u30fc\u30bf\u306f\u3001\u30b1\u30fc\u30d6\u30eb \u30e2\u30c7\u30e0\u3068\u9867\u5ba2\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u305d\u308c\u305e\u308c\u306e\u8a2d\u5b9a\u3092\u63d0\u4f9b\u3059\u308b DHCP (\u52d5\u7684<\/strong>\u30db\u30b9\u30c8<\/strong>\u8a2d\u5b9a<\/strong>\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>) \u30b5\u30fc\u30d0\u30fc\u3092\u901a\u3058\u3066\u3001\u30b1\u30fc\u30d6\u30eb\u30e2\u30c7\u30e0<\/span>\u306e\u8a2d\u5b9a\u3092\u5b8c\u5168\u306b\u5236\u5fa1<\/span>\u3067\u304d\u307e\u3059\u3002<\/p>

DOCSIS \u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u521d\u671f\u5316\u30d5\u30a7\u30fc\u30ba\u306f<\/a><\/span>\u4e00\u822c\u306b\u6b21\u306e\u3068\u304a\u308a\u3067\u3059 (\u975e\u5e38\u306b\u7c21\u7565\u5316\u3055\u308c\u3066\u3044\u307e\u3059)\u3002<\/p>

  1. \u30e2\u30c7\u30e0\u306f\u3001\u4f7f\u7528\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u77e5\u308b\u305f\u3081\u306b DHCP\u8981\u6c42<\/span>(BOOTP) \u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>
  2. CMTS \u306f\u3001\u30ed\u30fc\u30ab\u30ebIP \u30a2\u30c9\u30ec\u30b9<\/a><\/span>\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e IP\u30a2\u30c9\u30ec\u30b9<\/a><\/span>\u3068\u6df7\u540c\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\uff09\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u3055\u3089\u306b\u5177\u4f53\u7684\u306b\u306f\u3001 TFTP<\/a><\/span>\u30b5\u30fc\u30d0\u306e IP \u30a2\u30c9\u30ec\u30b9\u3068\u3001\u305d\u3053\u306b\u30d5\u30a7\u30c3\u30c1\u3059\u308b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/span>\u306e\u540d\u524d\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>
  3. \u30e2\u30c7\u30e0\u306f TFTP \u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3001\u4e0a\u8a18\u306e\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3092\u8981\u6c42\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u7279\u306b\u3001\u30e2\u30c7\u30e0\u306e\u63a5\u7d9a\u901f\u5ea6\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u306e\u512a\u5148\u9806\u4f4d\u3001\u30e2\u30c7\u30e0\u306b\u540c\u6642\u306b<\/a><\/span>\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6570\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>
  4. \u30e2\u30c7\u30e0\u306f CMTS \u306b\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u4fe1\u3057\u305f\u3053\u3068\u3001\u304a\u3088\u3073\u52d5\u4f5c\u306e\u6e96\u5099\u304c\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u901a\u77e5\u3057\u307e\u3059\uff08\u540c\u671f\u30d5\u30a7\u30fc\u30ba\uff09\u3002<\/li><\/ol>

    \u3053\u306e\u5f8c\u3001\u30e2\u30c7\u30e0\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u3001DHCP \u7d4c\u7531\u3067\u63a5\u7d9a\u60c5\u5831\u3092\u8981\u6c42\u3057\u3001\u5b8c\u5168\u306b\u5f93\u6765\u306e\u30ed\u30fc\u30ab\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/span>\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>

    \n\"<\/figure>

    \u8ee2\u9001\u901f\u5ea6<\/span><\/h2>

    \u901a\u5e38\u3001\u56fd\u5185\u6d88\u8cbb\u8005\u306e\u5834\u5408\u3001\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf \u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u901f\u5ea6\u306f 512 kbit\/s \uff5e 10 Mbit\/s \u306b\u5236\u9650\u3055\u308c\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c7\u30fc\u30bf \u30b9\u30c8\u30ea\u30fc\u30e0\u306f 256 kbit\/s \uff5e 1 Mbit\/s \u306b\u5236\u9650\u3055\u308c\u3001\u901f\u5ea6\u8a2d\u5b9a\u306f\u6b21\u306e\u65b9\u6cd5\u3067\u30b1\u30fc\u30d6\u30eb \u30e2\u30c7\u30e0\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002 DHCP\u30b5\u30fc\u30d0\u30fc\u3002<\/p>

    \u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30c1\u30e3\u30cd\u30eb\u306f\u6700\u5927 1000 \u53f0\u306e\u30b1\u30fc\u30d6\u30eb \u30e2\u30c7\u30e0\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3067\u304d\u307e\u3059\u3002\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5897\u52a0\u3059\u308b\u3068\u3001\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u3068\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0 \u30dd\u30fc\u30c8\u3092\u8ffd\u52a0\u3057\u3066 CMTS \u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/p>

    \u51fa\u5178: \u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2\u82f1\u8a9e\u7248<\/a><\/p><\/div>

    \n\"<\/figure>

    \u53c2\u8003\u8cc7\u6599<\/h2>
    1. DOCSIS \u2013 bulgare<\/a><\/li>
    2. DOCSIS \u2013 bosniaque<\/a><\/li>
    3. DOCSIS \u2013 tch\u00e8que<\/a><\/li>
    4. DOCSIS \u2013 danois<\/a><\/li>
    5. Data Over Cable Service Interface Specification \u2013 allemand<\/a><\/li>
    6. DOCSIS \u2013 anglais<\/a><\/li><\/ol><\/div>\n
      \n

      \n DOCSIS\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u30fb\u95a2\u9023\u52d5\u753b\n <\/h2>\n
      \n \n
      \n
      \n