{"id":148,"date":"2022-02-15T00:14:14","date_gmt":"2022-02-14T15:14:14","guid":{"rendered":"http:\/\/poseidon.tokinet:84\/?p=148"},"modified":"2022-04-11T17:45:01","modified_gmt":"2022-04-11T08:45:01","slug":"mptcp%e3%82%92%e8%a9%a6%e3%81%99","status":"publish","type":"post","link":"https:\/\/www.tokinet.pgw.jp\/?p=148","title":{"rendered":"Ubuntu \u3067MPTCP\u3092\u8a66\u3059"},"content":{"rendered":"<h2>MPTCP\u306e\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u5b85\u30c6\u30ec\u30ef\u30fc\u30af\u304c\u5e38\u614b\u5316\u3059\u308b\u6642\u4ee3\u306b\u306a\u3063\u3066\u304d\u305f\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306f\u8907\u6570\u306e\u63a5\u7d9a\u3068\u3057Keepalive \u3067\u5197\u9577\u69cb\u6210\u3068\u3057\u3066\u3044\u308b\u304c\u3001VPN\u306e\u3088\u3046\u306b\u4e00\u5ea6\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u5f35\u3063\u3066\u3057\u307e\u3063\u305f\u5f8c\u3067\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u63a5\u7d9a\u304c\u5207\u308c\u3066\u3057\u307e\u3046\u3068\u3001IP\u30ec\u30d9\u30eb\u3067\u306f\u5197\u9577\u69cb\u6210\u3067\u3082TCP \u3067\u306f\u518d\u63a5\u7d9a\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308b\u3002\u5207\u308c\u306a\u3044VPN\u3092\u63a2\u3057\u3066\u3044\u305f\u3068\u3053\u308d\u306bMPTCP\u306e\u5b58\u5728\u3092\u77e5\u308a\u3001\u65e9\u901f\u8a66\u3057\u3066\u307f\u305f\u3002\u5207\u308c\u306a\u3044VPN \u306b\u4f7f\u3048\u306a\u3044\u3082\u306e\u304b\u3068\u53c2\u8003\u30b5\u30a4\u30c8\u3092\u983c\u308a\u306b\u8a66\u3057\u3066\u307f\u305f\u3082\u306e\u306e\u3001\u958b\u767a\u9014\u4e0a\u306e\u70ba\u304b\u305d\u306e\u307e\u307e\u52d5\u304f\u3068\u3044\u3046\u3082\u306e\u3067\u3082\u306a\u304f\u3001\u52d5\u304f\u307e\u3067\u306b\u82e6\u52b4\u3057\u3066\u3084\u3063\u3068\u3053\u3053\u307e\u3067\u8fbf\u308a\u7740\u304f\u3053\u3068\u304c\u3067\u304d\u305f\u3002<\/p>\n<p>\u53c2\u8003\u3068\u306a\u3063\u305f\u30b5\u30a4\u30c8 : <a href=\"https:\/\/blog.bitmeister.jp\/?p=5040\">\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u7248\u306eMPTCP\u3092\u8a66\u3057\u3066\u307f\u305f<\/a><\/p>\n<h2>\u8a66\u9a13\u904b\u7528\u306e\u6982\u8981<\/h2>\n<p>Linux \u6700\u65b0\u7248\u306ekernel \u306f\u3001\u65e2\u306bMPTCP \u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u304b\u3089\u3001\u4eee\u60f3\u74b0\u5883\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u53ca\u3073\u30db\u30b9\u30c8\u3092\u69cb\u6210\u3057\u3001\u65e2\u5b58\u30a2\u30d7\u30ea\u304b\u3089MPTCP \u304c\u4f7f\u3048\u308b\u3088\u3046\u306bSystemTap \u3092\u4f7f\u3063\u3066\u30bd\u30b1\u30c3\u30c8\u751f\u6210\u6642\u306b\u300cIPPROTO_MPTCP\u300d\u3092\u6307\u5b9a\u3059\u308b\u3084\u308a\u65b9\u3092\u8e0f\u8972\u3057\u305f\u3002\u7d20\u6674\u3089\u3057\u3044\u767a\u60f3\u3060\u3068\u611f\u3058\u305f\u3068\u3053\u308d\u3060\u304c\u3001SystemTap \u304c\u306a\u304b\u306a\u304b\u306e\u66f2\u8005\u3067\u3001\u30b5\u30e9\u30c3\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u304c\u5b9f\u969b\u306b\u3084\u3063\u3066\u307f\u308b\u3068\u3001\u8272\u3005\u3068\u82e6\u52b4\u3057\u305f\u3002\u307e\u305a\u306f\u3001Client, Network, Server \u3092\u4f5c\u6210\u3057\u3066\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306biperf \u3092\u4f7f\u7528\u3057\u3066\u307f\u305f\u3002<\/p>\n<h2>\u74b0\u5883\u69cb\u7bc9<\/h2>\n<p>\u4eee\u60f3\u74b0\u5883\u306e\u4e2d\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30db\u30b9\u30c8(Client, Network, Server)\u3092\u69cb\u6210\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u898b\u7acb\u3066\u3066\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u3002\u4eee\u60f3\u74b0\u5883\u306b\u306fVirtual Box \u3092\u4f7f\u7528\u3057\u305f\u3002<\/p>\n<h3>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210<\/h3>\n<p>Client \u30db\u30b9\u30c8\u304b\u30893\u672c\u3067\u63a5\u7d9a\u3057\u3001Server \u30db\u30b9\u30c8\u3078\u306f1\u672c\u3067\u63a5\u7d9a\u3059\u308b\u3088\u3046\u306b\u30eb\u30fc\u30bf\u3092\u69cb\u6210\u3059\u308b\u3002\u672c\u6765\u306a\u3089Client \u304b\u30892\u672c\u3067\u826f\u304b\u3063\u305f\u304c\u3001Virtual Box \u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30d0\u30a4\u30b9\u304c4\u3064\u3042\u308b\u306e\u3067\u3001\u6700\u5927\u9650\u4f7f\u3063\u3066\u307f\u305f\u3002\u5f8c\u3067\u3001\u3053\u306e\u6271\u3044\u306b\u82e6\u52b4\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002\u6700\u521d\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u65b9\u304c\u826f\u3044\u3002\u3059\u3067\u306b\u6559\u8a13\u3092\u3001\u3001\u81ea\u5206\u3067\u4f5c\u308a\u51fa\u3057\u3066\u3044\u308b\u611f\u3082\u3042\u308b\u3002\u307e\u3041\u3001\u5c06\u6765\u7684\u306b\u643a\u5e2f\u7aef\u672b\u3082\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3092\u8003\u616e\u3059\u308c\u3070\u3001\u3053\u308c\u3082\u6709\u308a\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3053\u308c\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u898b\u7acb\u3066\u3066\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u305f\u3002\u30eb\u30fc\u30bf\u306fUbuntu \u3067\u69cb\u6210\u3057\u305f\u304c\u3001\u3053\u3053\u306f\u7279\u306bMPTCP \u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u7528\u306f\u306a\u3044\u3002Virtualbox \u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5404\u30e2\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u7528\u304c\u3042\u308b\uff08\u4fbf\u5229\u3060\u304c\u3001\u6163\u308c\u308b\u307e\u3067\u3084\u3084\u3053\u3057\u3044)\u3002\u4e00\u5fdc\u3001\u69cb\u7bc9\u3057\u305f\u74b0\u5883\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/MPTCP_test-300x179.png\" alt=\"\" width=\"580\" height=\"346\" class=\"alignnone wp-image-242 aligncenter\" srcset=\"http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/MPTCP_test-300x179.png 300w, http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/MPTCP_test-768x458.png 768w, http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/MPTCP_test.png 1016w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><\/p>\n<h3>VM(Client, Server)\u306e\u4f5c\u6210<\/h3>\n<p>Virtualbox \u306e\u69cb\u6210\u306b\u304a\u3044\u3066\u306f\u4eee\u60f3\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u309215GB\u4ee5\u4e0a\u306b\u3057\u3066Ubuntu 21.04 \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u6700\u65b0\u306e\u72b6\u6cc1\u306b\u3057\u3066\u304a\u304f\u3002\u4ee5\u4e0b\u306b\u3088\u308aMPTCP \u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ cat \/proc\/sys\/net\/mptcp\/enabled<\/code><\/pre>\n<\/div>\n<p>\u3053\u306e\u6642\u3001&#8221;1&#8243; \u304c\u51fa\u529b\u3055\u308c\u308c\u3070MPTCP \u304c\u4f7f\u7528\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3002\u7d20\u6674\u3089\u3057\u3044\u30fb\u30fb\u30fb<\/p>\n<h2>SystemTap \u306e\u5c0e\u5165<\/h2>\n<p>SystemTap \u306f\u3001kernel \u30c7\u30d0\u30c3\u30b0\u306b\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3001\u5c02\u7528\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u8a00\u8a9e\u3092\u6301\u3061\u3001\u305d\u308c\u3092\u5b9f\u884c\u3057C \u306e\u30bd\u30fc\u30b9\u306b\u5909\u63db\u3057\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u6210\u3001kernel \u306b\u7d44\u307f\u8fbc\u3080\u4e00\u9023\u306e\u52d5\u4f5c\u3092\u3059\u308b\u3002<\/p>\n<h3>kernel \u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p>kernel \u306eheader\u3001\u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n<h3>Systemtap \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p>apt install \u3059\u308b\u3068\u52d5\u304b\u306a\u3044stap \u304c\u5c0e\u5165\u3055\u308c\u308b\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3042\u308c\u3070apt remove \u3067\u524a\u9664\u3057\u305f\u5f8c\u306b<a href=\"https:\/\/askubuntu.com\/questions\/1173904\/is-systemtap-broken-on-5-0-0-kernel\">Git \u304b\u3089clone \u3057\u3066\u76f4\u63a5\u30b3\u30f3\u30d1\u30a4\u30eb<\/a>\u3059\u308b\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre><code>$ sudo apt install g++ make git libelf-dev libdw-dev\r\n\r\n$ git clone git:\/\/sourceware.org\/git\/systemtap.git\r\n$ cd systemtap\/\r\n$ .\/configure <span style=\"color: #ff0000;\">--disable-nls<\/span> &amp;&amp; make         \/\/ no errors \u2192 nls \u304c\u3042\u308b\u3068Error \u3067\u6b62\u307e\u308b\r\n$ sudo make install\r\n\r\n$ sudo stap -e 'probe begin { printf(\"Hello, World!\\n\"); exit() }'\r\n[sudo] password for knudfl: \r\nHello, World!<\/code><\/pre>\n<\/div>\n<p>\u3053\u306e\u6bb5\u968e\u3067\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b\u3002stap -g \u306eguru \u30e2\u30fc\u30c9\u3067\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u30b3\u30f3\u30d1\u30a4\u30eb\u307e\u3067\u306f\u3067\u304d\u308b\u304c\u3001\u6700\u5f8c\u306e\u7d44\u307f\u8fbc\u307f\u306e\u6bb5\u968e\u3067\u30a8\u30e9\u30fc<span> &#8220;Invalid module format&#8221; \u306b\u306a\u308b\u3002modinfo \u3067\u78ba\u8a8d\u3057\u3066\u3082\u554f\u984c\u306a\u3044\u306e\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d0\u30b0\u306a\u611f\u3058\u3002<a href=\"https:\/\/sourceware.org\/bugzilla\/show_bug.cgi?id=24720\">\u4ee5\u4e0b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u52a0\u3048\u308b\u3068\u30a8\u30e9\u30fc\u304c\u51fa\u306a\u304f\u306a\u308b<\/a>\u3002<\/span><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\">$ sudo stap <span style=\"color: #ff0000;\">-B CONFIG_MODVERSIONS=y<\/span> -g -v <em>hogehoge.stap<\/em><\/pre>\n<\/div>\n<h3>\u30b9\u30af\u30ea\u30d7\u30c8\u300cmptcp.stap\u300d\u306e\u4f5c\u6210<\/h3>\n<p>\u53c2\u8003\u3068\u306a\u3063\u305f\u30b5\u30a4\u30c8\u306b\u8a18\u8ff0\u3057\u3066\u3042\u308b\u3068\u304a\u308a\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-c\" data-lang=\"C\"><code><span>#! \/usr\/bin\/env stap\r\n\r\n %{\r\n #<\/span><span class=\"hljs-keyword\">include<\/span><span> &lt;linux\/<\/span><span class=\"hljs-keyword\">in<\/span><span>.h&gt;\r\n #<\/span><span class=\"hljs-keyword\">include<\/span><span> &lt;linux\/ip.h&gt;\r\n %}\r\n\r\n <\/span><span class=\"hljs-keyword\">function<\/span><span> mptcpify <\/span><span class=\"hljs-literal\">()<\/span><span> %{\r\n    <\/span><span class=\"hljs-keyword\">if<\/span><span> (<\/span><span class=\"hljs-type\">CONTEXT<\/span><span>-&gt;kregs-&gt;si == <\/span><span class=\"hljs-type\">SOCK_STREAM<\/span><span> &amp;&amp;\r\n        (<\/span><span class=\"hljs-type\">CONTEXT<\/span><span>-&gt;kregs-&gt;dx == <\/span><span class=\"hljs-type\">IPPROTO_TCP<\/span><span> ||\r\n         <\/span><span class=\"hljs-type\">CONTEXT<\/span><span>-&gt;kregs-&gt;dx == <\/span><span class=\"hljs-number\">0<\/span><span>)) {\r\n            <\/span><span class=\"hljs-type\">CONTEXT<\/span><span>-&gt;kregs-&gt;dx = <\/span><span class=\"hljs-type\">IPPROTO_MPTCP<\/span><span>;\r\n            <\/span><span class=\"hljs-type\">STAP_RETVALUE<\/span><span> = <\/span><span class=\"hljs-number\">1<\/span><span>;\r\n    } <\/span><span class=\"hljs-keyword\">else<\/span><span> {\r\n            <\/span><span class=\"hljs-type\">STAP_RETVALUE<\/span><span> = <\/span><span class=\"hljs-number\">0<\/span><span>;\r\n    }\r\n %}\r\n probe kernel.<\/span><span class=\"hljs-keyword\">function<\/span><span>(<\/span><span class=\"hljs-string\">\"__sys_socket\"<\/span><span>) {\r\n    <\/span><span class=\"hljs-keyword\">if<\/span><span> (mptcpify<\/span><span class=\"hljs-literal\">()<\/span><span> == <\/span><span class=\"hljs-number\">1<\/span><span>) {\r\n       printf(<\/span><span class=\"hljs-string\">\"command %16s mptcpified\\n\"<\/span><span>, execname<\/span><span class=\"hljs-literal\">()<\/span><span>);\r\n    }\r\n }<\/span><\/code><\/pre>\n<\/div>\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001socket()\u30b3\u30fc\u30eb\u6642\u306bIPPROTO_TCP \u3092IPPROTO_MPTCP \u306b\u5165\u308c\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3084\u3063\u3068\u3053\u3053\u307e\u3067\u8fbf\u308a\u7740\u304f\u3053\u3068\u304c\u3067\u304d\u305f\u3002\u96e3\u306a\u304f\u3053\u3053\u307e\u3067\u6301\u3063\u3066\u3053\u308c\u308b\u306e\u306f\u51c4\u3044\u3068\u601d\u3046\u3002\u66ab\u304f\u30cf\u30de\u3063\u3066\u305f\u5834\u6240\u30fb\u30fb\u30fb\u3002<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a\u3001\u3053\u3053\u307e\u3067\u3067MPTCP \u8a66\u9a13\u306e\u305f\u3081\u306e\u74b0\u5883\u306e\u69cb\u7bc9\u304c\u3067\u304d\u305f\u3002<\/p>\n<h2>\u65e9\u901f\u8a66\u9a13&#8230;<\/h2>\n<p>\u8a66\u9a13\u3068\u3057\u3066Client \u304b\u3089Server \u307e\u3067\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306b\u4ed5\u69d8\u3059\u308bipref \u3092\u4f7f\u7528\u3057\u3066\u4e00\u5fdc\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u305f\u3002\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u8aac\u660e\u306f\u3001\u4e0a\u6bb5\u304cClient \u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9593\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u793a\u3057\u3066\u3044\u308b\u30023\u30dd\u30fc\u30c8\u3042\u308b\u306e\u3067\u30013\u3064\u3002\u53f3\u4e0b\u306e\u7a93\u306fServer \u306b\u6d41\u308c\u3066\u304d\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8868\u3057\u3066\u3044\u308b\u3002<\/p>\n<h3>\u307e\u305a\u306fTCP \u30e2\u30fc\u30c9\u3067<\/h3>\n<p>\u5de6\u4e0a\u304b\u3089\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308b\u3002<\/p>\n<div style=\"width: 1024px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-148-1\" width=\"1024\" height=\"576\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/tcp.mp4?_=1\" \/><a href=\"http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/tcp.mp4\">http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/tcp.mp4<\/a><\/video><\/div>\n<h3>\u6b21\u306bMPTCP\u3092\u8a66\u3059<\/h3>\n<p>stap \u3067MPTCP \u304c\u4f7f\u7528\u51fa\u6765\u308b\u72b6\u614b\u306b\u3057\u3066\u540c\u3058iperf \u3067\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n<div style=\"width: 1024px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-148-2\" width=\"1024\" height=\"576\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/mptcp.mp4?_=2\" \/><a href=\"http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/mptcp.mp4\">http:\/\/poseidon.tokinet:84\/wps_tokinet\/wp-content\/uploads\/2022\/02\/mptcp.mp4<\/a><\/video><\/div>\n<p>Client \u5074\u3067Server \u307e\u3067\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5206\u6563\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308b\u3002\u3053\u3053\u3067\u3001\u4e0a\u6bb5\u53f32\u3064\u306e\u30dd\u30fc\u30c8\u306f\u3001subflow \u306b\u6307\u5b9a\u3057\u3001\u305d\u308c\u305e\u308c\u30dd\u30ea\u30b7\u30fc\u30fb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u308b\u3002\u3053\u3053\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306ftcpdump \u3067\u3082\u30e2\u30cb\u30bf\u30fc\u3057\u3066\u304a\u308a\u3001mptcp \u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u6700\u521d\u306f\u3069\u3046\u306a\u308b\u304b\u3068\u601d\u3063\u3066\u3044\u305f\u304c\u3001\u4f55\u3068\u304bMPTCP \u306eSubflow \u306e\u72b6\u6cc1\u307e\u3067\u53ef\u8996\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u3002\u30cd\u30c3\u30c8\u306b\u306f\u5927\u5909\u53c2\u8003\u306b\u306a\u308b\u5185\u5bb9\u3082\u591a\u304f\u3001\u3053\u308c\u3092\u5143\u306b\u66f4\u306b\u5fdc\u7528\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u3057\u305f\u3044\u3002<\/p>\n<h2>\u6559\u8a13<\/h2>\n<ul>\n<li>\u6700\u521d\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6210\u304b\u3089<\/li>\n<li>\u624b\u5f37\u304f\u3066\u3082\u3001\u6700\u5f8c\u307e\u3067\u8ae6\u3081\u306a\u3044\u3002\u4e16\u754c\u3067\u306f\u3069\u3053\u304b\u3067\u81ea\u5206\u3068\u540c\u3058\u30cf\u30de\u30ea\u3092\u7d4c\u9a13\u3057\u305f\u4eba\u304c\u3044\u308b\u30fb\u30fb\u30fb\u306f\u305a<\/li>\n<li>\u6700\u5f8c\u306b\u884c\u304f\u306b\u5f93\u3044\u3001\u624b\u629c\u304d\u611f\u3058\u304c\u30d7\u30f3\u30d7\u30f3\u3057\u3066\u3044\u308b\u30fb\u30fb\u3002\u6559\u8a13\u3067\u3082\u306a\u3044\u3051\u3069\u3001\u3082\u3046\u5c11\u3057\u4e01\u5be7\u306b\u8a18\u8ff0\u3057\u3088\u3046(\u53cd\u7701)\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MPTCP\u306e\u5fc5\u8981\u6027 \u5728\u5b85\u30c6\u30ec\u30ef\u30fc\u30af\u304c\u5e38\u614b\u5316\u3059\u308b\u6642\u4ee3\u306b\u306a\u3063\u3066\u304d\u305f\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u4fe1\u983c\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306f\u8907\u6570\u306e\u63a5\u7d9a\u3068\u3057Keepalive \u3067\u5197\u9577\u69cb\u6210\u3068\u3057\u3066\u3044\u308b\u304c\u3001VPN\u306e\u3088\u3046\u306b\u4e00\u5ea6\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u5f35\u3063 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":150,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"vkexunit_cta_each_option":"","footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-system","category-network"],"_links":{"self":[{"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/posts\/148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=148"}],"version-history":[{"count":38,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions"}],"predecessor-version":[{"id":151,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions\/151"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=\/wp\/v2\/media\/150"}],"wp:attachment":[{"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tokinet.pgw.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}