{"id":30,"date":"2012-08-28T18:15:12","date_gmt":"2012-08-28T09:15:12","guid":{"rendered":"http:\/\/blog.k-goo.net\/?p=30"},"modified":"2012-08-28T18:21:09","modified_gmt":"2012-08-28T09:21:09","slug":"sip%e3%81%a8nat","status":"publish","type":"post","link":"https:\/\/blog.k-goo.net\/?p=30","title":{"rendered":"SIP\u3068NAT"},"content":{"rendered":"<p>\u305f\u307e\u305f\u307e\u3001\u8a71\u984c\u306b\u3042\u304c\u3063\u305f\u306e\u3067\u3001\u5c02\u9580\u5916\u3060\u304cSIP\u3068NAT\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u3057\u3089\u3079\u305f\u3002<\/p>\n<p>SIP\u306fNAT\u8d85\u3048\u3067\u304d\u307e\u305b\u3093\u3088\u3002\u3068\u3044\u3046\u3053\u3068\u304f\u3089\u3044\u306f\u77e5\u3063\u3066\u3044\u305f\u306e\u3067\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u30d8\u30c3\u30c0\u306b<\/p>\n<p>\uff29\uff30(or Port)\u3092\u57cb\u3081\u8fbc\u3080\u3093\u3060\u308d\u3046\u304f\u3089\u3044\u306f\u60f3\u50cf\u3067\u304d\u3066\u3044\u305f\u306e\u3060\u304c\u3001<\/p>\n<p><strong>SDP<\/strong>(<em>Session Description Protocol<\/em>)\u3068\u3044\u308f\u308c\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30fb\u30dc\u30c7\u30a3\u306b\u57cb\u3081\u8fbc\u3093\u3067\u3044\u308b\u306e\u3067\u3001<\/p>\n<p>IP\/TCP\/UDP\u306eNAT\u7bb1\u3067\u306f\u623b\u308a\u30d1\u30b1\u30c3\u30c8\u306b\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u3002\u304c\u6b63\u89e3\u306e\u3088\u3046\u3059\u3002<\/p>\n<p>SSG(Netscreen)\/YAMAHA-RT\u3067\u306f\u3001\u305d\u308c\u305e\u308cALG\/SIP-NAT\u6a5f\u80fd\u3067\u3001DPI\u3057\u3066\u3001SDP\u3082\u4e00\u7dd2\u306b\u66f8\u304d\u63db\u3048\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u898f\u683c\u3082\u306e\u3067\u306f\u3001<\/p>\n<p><strong>STUN<\/strong>(<strong><\/strong><em>Simple Traversal of UDP through NAT<\/em>),<strong>TURN<\/strong>(<em>Traversal Using Relay NAT<\/em>)\u304cNAT\u8d85\u3048\u3092\u5438\u53ce\u3059\u308bGatewey\u3068\u3057\u3066\u52d5\u4f5c\u3059\u308b\u3088\u3046\u3059\u3002<\/p>\n<p>&lt;STUN,TURN\u306e\u53c2\u8003&gt; <a href=\"http:\/\/www.wata-lab.meijo-u.ac.jp\/file\/seminar\/2006\/2006-Semi2-Shoichi_Kuzuya.pdf\">SIP\u306eNAT\u3054\u3048<\/a><\/p>\n<p>SIP\u306fNGN\u3067\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u304d\u3061\u3093\u3068\u52c9\u5f37\u3057\u306a\u3044\u3068\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u305f\u307e\u305f\u307e\u3001\u8a71\u984c\u306b\u3042\u304c\u3063\u305f\u306e\u3067\u3001\u5c02\u9580\u5916\u3060\u304cSIP\u3068NAT\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u3057\u3089\u3079\u305f\u3002 SIP\u306fNAT\u8d85\u3048\u3067\u304d\u307e\u305b\u3093\u3088\u3002\u3068\u3044\u3046\u3053\u3068\u304f\u3089\u3044\u306f\u77e5\u3063\u3066\u3044\u305f\u306e\u3067\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u30d8\u30c3\u30c0\u306b \uff29\uff30(or Port)\u3092\u57cb\u3081\u8fbc\u3080\u3093\u3060\u308d\u3046\u304f\u3089\u3044\u306f\u60f3\u50cf\u3067 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-30","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30"}],"version-history":[{"count":6,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions"}],"predecessor-version":[{"id":35,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=\/wp\/v2\/posts\/30\/revisions\/35"}],"wp:attachment":[{"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.k-goo.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}