{"id":478299,"date":"2023-08-09T09:30:30","date_gmt":"2023-08-09T09:30:30","guid":{"rendered":""},"modified":"2024-06-05T06:46:24","modified_gmt":"2024-06-05T06:46:24","slug":"osi-layer","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/osi-layer\/","title":{"rendered":"OSI\u5c42"},"content":{"rendered":"<p>OSI\uff08\u5f00\u653e\u7cfb\u7edf\u4e92\u8fde\uff09\u6a21\u578b\u662f\u4e00\u4e2a\u6982\u5ff5\u6846\u67b6\uff0c\u5b83\u5c06\u7535\u4fe1\u6216\u8ba1\u7b97\u7cfb\u7edf\u7684\u529f\u80fd\u6807\u51c6\u5316\u4e3a\u4e03\u4e2a\u62bd\u8c61\u5c42\u3002\u8be5\u6a21\u578b\u65e8\u5728\u6307\u5bfc\u4ea7\u54c1\u5f00\u53d1\u4eba\u5458\u5e76\u4fc3\u8fdb\u4e0d\u540c\u7cfb\u7edf\u7ec4\u4ef6\u4e4b\u95f4\u7684\u6e05\u6670\u901a\u4fe1\u548c\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n<h2>OSI\u6a21\u578b\u7684\u5386\u53f2<\/h2>\n<p>OSI \u5c42\u7684\u8d77\u6e90\u5386\u53f2\u53ca\u5176\u9996\u6b21\u63d0\u53ca\u3002<\/p>\n<p>OSI \u6a21\u578b\u662f\u7531\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7 (ISO) \u548c\u56fd\u9645\u7535\u4fe1\u8054\u76df (ITU) \u5728 20 \u4e16\u7eaa 70 \u5e74\u4ee3\u672b\u548c 80 \u5e74\u4ee3\u521d\u5f00\u53d1\u7684\u3002\u8be5\u6a21\u578b\u7684\u521b\u5efa\u662f\u4e3a\u4e86\u6ee1\u8db3\u5bf9\u4e00\u5957\u901a\u7528\u89c4\u5219\u4e0d\u65ad\u589e\u957f\u7684\u9700\u6c42\uff0c\u8fd9\u4e9b\u89c4\u5219\u5c06\u786e\u4fdd\u4e0d\u540c\u7f51\u7edc\u67b6\u6784\u4e4b\u95f4\u7684\u8fde\u63a5\u6027\u548c\u517c\u5bb9\u6027\u3002<\/p>\n<h2>OSI \u6a21\u578b\u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>\u6269\u5c55\u4e3b\u9898 OSI \u5c42\u3002<\/p>\n<p>OSI \u6a21\u578b\u53ef\u4f5c\u4e3a\u7406\u89e3\u548c\u8bbe\u8ba1\u8de8\u4e0d\u540c\u786c\u4ef6\u548c\u8f6f\u4ef6\u5e73\u53f0\u8fd0\u884c\u7684\u7f51\u7edc\u67b6\u6784\u7684\u6307\u5357\u3002OSI \u6a21\u578b\u7684\u4e03\u5c42\u5206\u4e3a\u4e24\u7ec4\uff1a\u4e0a\u5c42\uff08\u5e94\u7528\u5c42\u3001\u8868\u793a\u5c42\u3001\u4f1a\u8bdd\u5c42\uff09\u548c\u4e0b\u5c42\uff08\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u6570\u636e\u94fe\u8def\u5c42\u3001\u7269\u7406\u5c42\uff09\u3002\u6bcf\u5c42\u90fd\u6267\u884c\u7279\u5b9a\u529f\u80fd\uff0c\u5171\u540c\u63d0\u4f9b\u7aef\u5230\u7aef\u901a\u4fe1\u3002<\/p>\n<h2>OSI\u6a21\u578b\u7684\u5185\u90e8\u7ed3\u6784<\/h2>\n<p>OSI \u5c42\u5982\u4f55\u5de5\u4f5c\u3002<\/p>\n<p>OSI\u6a21\u578b\u7531\u4ee5\u4e0b\u4e03\u5c42\u7ec4\u6210\uff1a<\/p>\n<ol>\n<li><strong>\u7269\u7406\u5c42\uff1a<\/strong> \u5904\u7406\u8bbe\u5907\u4e4b\u95f4\u7684\u7269\u7406\u8fde\u63a5\uff0c\u5305\u62ec\u7535\u7f06\u3001\u4ea4\u6362\u673a\u7b49\u3002<\/li>\n<li><strong>\u6570\u636e\u94fe\u8def\u5c42\uff1a<\/strong> \u786e\u4fdd\u65e0\u9519\u8bef\u6570\u636e\u4f20\u8f93\u5e76\u7ba1\u7406\u5bf9\u7269\u7406\u7f51\u7edc\u4ecb\u8d28\u7684\u8bbf\u95ee\u3002<\/li>\n<li><strong>\u7f51\u7edc\u5c42\uff1a<\/strong> \u786e\u5b9a\u6570\u636e\u4f20\u8f93\u7684\u6700\u4f73\u8def\u5f84\u5e76\u5904\u7406\u7c7b\u4f3c IP \u5bfb\u5740\u7684\u903b\u8f91\u5bfb\u5740\u3002<\/li>\n<li><strong>\u4f20\u8f93\u5c42\uff1a<\/strong> \u786e\u4fdd\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u5e76\u7ba1\u7406\u7ea0\u9519\u548c\u6d41\u91cf\u63a7\u5236\u3002<\/li>\n<li><strong>\u4f1a\u8bdd\u5c42\uff1a<\/strong> \u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u7ec8\u6b62\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u7684\u8fde\u63a5\u3002<\/li>\n<li><strong>\u8868\u793a\u5c42\uff1a<\/strong> \u7ffb\u8bd1\u3001\u52a0\u5bc6\u548c\u538b\u7f29\u6570\u636e\u3002<\/li>\n<li><strong>\u5e94\u7528\u5c42\uff1a<\/strong> \u63d0\u4f9b\u6700\u7ec8\u7528\u6237\u670d\u52a1\uff0c\u5982\u7535\u5b50\u90ae\u4ef6\u3001\u6587\u4ef6\u4f20\u8f93\u548c\u5176\u4ed6\u7f51\u7edc\u8f6f\u4ef6\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n<h2>OSI\u6a21\u578b\u4e3b\u8981\u7279\u5f81\u5206\u6790<\/h2>\n<p>OSI \u6a21\u578b\u7684\u4e3b\u8981\u7279\u6027\u5305\u62ec\u5176\u6a21\u5757\u5316\u7ed3\u6784\u3001\u7075\u6d3b\u6027\u4ee5\u53ca\u5b9e\u73b0\u5404\u79cd\u7f51\u7edc\u6280\u672f\u4e4b\u95f4\u4e92\u64cd\u4f5c\u6027\u7684\u80fd\u529b\u3002\u901a\u8fc7\u5c06\u7f51\u7edc\u901a\u4fe1\u8fc7\u7a0b\u5206\u4e3a\u4e03\u5c42\uff0c\u5b83\u7b80\u5316\u4e86\u6545\u969c\u6392\u9664\uff0c\u5e76\u5141\u8bb8\u5728\u4e00\u5c42\u4e2d\u8fdb\u884c\u66f4\u6539\u800c\u4e0d\u5f71\u54cd\u5176\u4ed6\u5c42\u3002<\/p>\n<h2>OSI \u5c42\u7684\u7c7b\u578b<\/h2>\n<p>\u5199\u51fa\u5b58\u5728\u54ea\u4e9b\u7c7b\u578b\u7684 OSI \u5c42\u3002\u4f7f\u7528\u8868\u683c\u548c\u5217\u8868\u6765\u5199\u4f5c\u3002<\/p>\n<p>OSI \u6a21\u578b\u6ca1\u6709\u4e0d\u540c\u7684\u201c\u7c7b\u578b\u201d\uff0c\u4f46\u5b83\u53ef\u4ee5\u5728\u5404\u79cd\u7f51\u7edc\u67b6\u6784\u548c\u6280\u672f\u4e2d\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f OSI \u5c42\u5982\u4f55\u6620\u5c04\u5230\u5e38\u89c1\u7684\u7f51\u7edc\u7ec4\u4ef6\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>OSI\u5c42<\/th>\n<th>\u5e38\u89c1\u534f\u8bae\u548c\u8bbe\u5907<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8eab\u4f53\u7684<\/td>\n<td>\u4ee5\u592a\u7f51\u3001USB<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u94fe\u63a5<\/td>\n<td>\u4ee5\u592a\u7f51\u3001\u65e0\u7ebf\u7f51\u7edc<\/td>\n<\/tr>\n<tr>\n<td>\u7f51\u7edc<\/td>\n<td>IP\u3001ICMP\u3001\u8def\u7531\u534f\u8bae<\/td>\n<\/tr>\n<tr>\n<td>\u8fd0\u8f93<\/td>\n<td>TCP\u3001UDP<\/td>\n<\/tr>\n<tr>\n<td>\u4f1a\u8bae<\/td>\n<td>\u7f51\u7edcBIOS\u3001\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u63a8\u4ecb\u4f1a<\/td>\n<td>TLS\u3001SSL\u3001JPEG<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528<\/td>\n<td>HTTP\u3001FTP\u3001SMTP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>OSI \u6a21\u578b\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>OSI\u5c42\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4f7f\u7528\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>OSI \u6a21\u578b\u4e3b\u8981\u7528\u4f5c\u4e86\u89e3\u7f51\u7edc\u4ea4\u4e92\u548c\u8bbe\u8ba1\u7f51\u7edc\u67b6\u6784\u7684\u53c2\u8003\u3002\u6f5c\u5728\u7684\u6311\u6218\u5305\u62ec\u5404\u5c42\u4e4b\u95f4\u7684\u4e0d\u517c\u5bb9\u6027\uff0c\u8fd9\u53ef\u80fd\u9700\u8981\u989d\u5916\u7684\u914d\u7f6e\u751a\u81f3\u5b9a\u5236\u3002\u4f46\u662f\uff0c\u8be5\u6a21\u578b\u7684\u6e05\u6670\u7ed3\u6784\u6709\u52a9\u4e8e\u8bc6\u522b\u548c\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u5176\u4ed6\u6bd4\u8f83<\/h2>\n<p>\u4ee5\u8868\u683c\u548c\u5217\u8868\u7684\u5f62\u5f0f\u5217\u51fa\u4e3b\u8981\u7279\u5f81\u4ee5\u53ca\u4e0e\u7c7b\u4f3c\u672f\u8bed\u7684\u5176\u4ed6\u6bd4\u8f83\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5f81<\/th>\n<th>OSI \u6a21\u578b<\/th>\n<th>TCP\/IP\u6a21\u578b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5c42\u6570<\/td>\n<td>7<\/td>\n<td>4<\/td>\n<\/tr>\n<tr>\n<td>\u56fe\u5c42\u540d\u79f0<\/td>\n<td>\u7269\u7406\u5230\u5e94\u7528<\/td>\n<td>\u5e94\u7528\u7a0b\u5e8f\u94fe\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u65b9\u6cd5<\/td>\n<td>\u6807\u51c6\u5316<\/td>\n<td>\u5b9e\u9645\u7684<\/td>\n<\/tr>\n<tr>\n<td>\u8d77\u6e90<\/td>\n<td>\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\u3001\u56fd\u9645\u7535\u4fe1\u8054\u76df<\/td>\n<td>\u7f8e\u56fd\u56fd\u9632\u90e8\u9ad8\u7ea7\u7814\u7a76\u8ba1\u5212\u5c40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e OSI \u5c42\u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u5373\u4f7f\u7f51\u7edc\u6280\u672f\u4e0d\u65ad\u53d1\u5c55\uff0cOSI \u6a21\u578b\u4ecd\u7136\u5177\u6709\u73b0\u5b9e\u610f\u4e49\u3002\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc\u3001\u8fb9\u7f18\u8ba1\u7b97\u548c\u7269\u8054\u7f51\u7b49\u65b0\u5174\u8d8b\u52bf\u6b63\u5728\u6269\u5c55\u8be5\u6a21\u578b\u7684\u5e94\u7528\u8303\u56f4\u3001\u4fc3\u8fdb\u521b\u65b0\u5e76\u63d0\u9ad8\u5b89\u5168\u6027\u548c\u6548\u7387\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e OSI \u5c42\u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\uff08\u5982 OneProxy \u63d0\u4f9b\u7684\u4ee3\u7406\u670d\u52a1\u5668\uff09\u5728 OSI \u6a21\u578b\u7684\u5e94\u7528\u7a0b\u5e8f\u5c42\u8fd0\u884c\u3002\u5b83\u4eec\u5145\u5f53\u5ba2\u6237\u7aef\u4ece\u5176\u4ed6\u670d\u52a1\u5668\u5bfb\u6c42\u8d44\u6e90\u7684\u8bf7\u6c42\u7684\u4e2d\u4ecb\uff0c\u63d0\u4f9b\u5185\u5bb9\u8fc7\u6ee4\u3001\u5e26\u5bbd\u63a7\u5236\u548c\u589e\u5f3a\u9690\u79c1\u7b49\u529f\u80fd\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173 OSI \u5c42\u7684\u66f4\u591a\u4fe1\u606f\u7684\u8d44\u6e90\u94fe\u63a5\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.iso.org\" target=\"_new\" rel=\"noopener nofollow\">\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7 (ISO)<\/a><\/li>\n<li><a href=\"https:\/\/www.itu.int\" target=\"_new\" rel=\"noopener nofollow\">\u56fd\u9645\u7535\u4fe1\u8054\u76df\uff08ITU\uff09<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/cn\/\" target=\"_new\" rel=\"noopener\">OneProxy \u2013 \u9ad8\u7ea7\u4ee3\u7406\u670d\u52a1<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\" target=\"_new\" rel=\"noopener nofollow\">\u601d\u79d1\u7f51\u7edc\u57fa\u7840\u77e5\u8bc6\uff1aOSI \u6a21\u578b<\/a><\/li>\n<\/ul>","protected":false},"featured_media":478300,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478299","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":2,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478299\/revisions"}],"predecessor-version":[{"id":505489,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478299\/revisions\/505489"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/478300"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=478299"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}