{"id":509,"date":"2012-11-17T11:48:04","date_gmt":"2012-11-17T13:48:04","guid":{"rendered":"http:\/\/efagundes.com\/openclass_networking\/?page_id=509"},"modified":"2022-01-16T17:51:18","modified_gmt":"2022-01-16T20:51:18","slug":"comutacao-de-mensagens","status":"publish","type":"page","link":"https:\/\/efagundes.com\/networking\/comutacao\/comutacao-de-mensagens\/","title":{"rendered":"Comuta\u00e7\u00e3o de mensagens"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide154.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2501\" data-permalink=\"https:\/\/efagundes.com\/networking\/comutacao\/comutacao-de-mensagens\/slide15-5\/\" data-orig-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide154.jpg?fit=960%2C720&amp;ssl=1\" data-orig-size=\"960,720\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Slide15\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide154.jpg?fit=960%2C720&amp;ssl=1\" class=\"alignnone size-full wp-image-2501\" src=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide154.jpg?resize=960%2C720\" alt=\"Slide15\" width=\"960\" height=\"720\" srcset=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide154.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide154.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p>Uma estrat\u00e9gia alternativa de comuta\u00e7\u00e3o \u00e9 a comuta\u00e7\u00e3o de mensagens, mostrada na figura ( c) acima. Quando essa forma de comuta\u00e7\u00e3o \u00e9 usada, nenhum caminho f\u00edsico \u00e9 estabelecido com anteced\u00eancia entre o transmissor e o receptor. Em vez disso, quando o transmissor tem um bloco de dados a ser enviado, esse bloco \u00e9 armazenado na primeira esta\u00e7\u00e3o de comuta\u00e7\u00e3o (isto \u00e9, no roteador) e depois \u00e9 encaminhado, um salto (hop) de cada vez. Cada bloco \u00e9 recebido integralmente, inspecionado em busca de erros, e depois retransmitido. Uma rede que utiliza essa t\u00e9cnica \u00e9 chamada store-and-forward.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma estrat\u00e9gia alternativa de comuta\u00e7\u00e3o \u00e9 a comuta\u00e7\u00e3o de mensagens, mostrada na figura ( c) acima. Quando essa forma de comuta\u00e7\u00e3o \u00e9 usada, nenhum caminho f\u00edsico \u00e9 estabelecido com anteced\u00eancia entre o transmissor e o receptor. Em vez disso, quando o transmissor tem um bloco de dados a ser enviado, esse bloco \u00e9 armazenado na [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1001,"menu_order":141,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-509","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P8yKGp-8d","jetpack-related-posts":[{"id":507,"url":"https:\/\/efagundes.com\/networking\/comutacao\/comutacao-de-circuitos\/","url_meta":{"origin":509,"position":0},"title":"Comuta\u00e7\u00e3o de circuitos","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"\u00a0 Quando voc\u00ea ou seu computador efetua uma chamada telef\u00f4nica, o equipamento de comuta\u00e7\u00e3o do sistema telef\u00f4nico procura um caminha f\u00edsico desde o seu telefone at\u00e9 o telefone do receptor. Essa t\u00e9cnica, chamada comuta\u00e7\u00e3o de circuitos, \u00e9 apresentada na figura (a). Esse dispositivo foi inventado por um agente funer\u00e1rio do\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide14","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide145.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide145.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide145.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide145.jpg?resize=700%2C400 2x"},"classes":[]},{"id":511,"url":"https:\/\/efagundes.com\/networking\/comutacao\/comutacao-por-circuitos-versus-por-pacotes\/","url_meta":{"origin":509,"position":1},"title":"Comuta\u00e7\u00e3o por circuitos versus por pacotes","author":"Eduardo 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O host H1 est\u00e1 diretamente conectado a um\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide67.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide67.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide67.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide67.jpg?resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/comments?post=509"}],"version-history":[{"count":0,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/509\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/1001"}],"wp:attachment":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/media?parent=509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}