{"id":2663,"date":"2015-04-11T01:46:21","date_gmt":"2015-04-11T04:46:21","guid":{"rendered":"http:\/\/efagundes.com\/networking\/?page_id=2663"},"modified":"2022-01-16T17:52:25","modified_gmt":"2022-01-16T20:52:25","slug":"implementacao-do-servico-sem-conexoes-2","status":"publish","type":"page","link":"https:\/\/efagundes.com\/networking\/a-camada-de-rede\/implementacao-do-servico-sem-conexoes-2\/","title":{"rendered":"Implementa\u00e7\u00e3o do servi\u00e7o sem conex\u00f5es"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2564\" data-permalink=\"https:\/\/efagundes.com\/networking\/a-camada-de-rede\/implementacao-do-servico-sem-conexoes-2\/slide8-8\/\" data-orig-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.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=\"Slide8\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?fit=960%2C720&amp;ssl=1\" class=\"alignnone size-full wp-image-2564\" src=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?resize=960%2C720\" alt=\"Slide8\" width=\"960\" height=\"720\" srcset=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":721,"menu_order":8,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-2663","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P8yKGp-GX","jetpack-related-posts":[{"id":737,"url":"https:\/\/efagundes.com\/networking\/a-camada-de-rede\/implementacao-do-servico-orientado-a-conexoes\/","url_meta":{"origin":2663,"position":0},"title":"Implementa\u00e7\u00e3o do servi\u00e7o orientado a conex\u00f5es","author":"Eduardo Fagundes","date":"18\/11\/2012","format":false,"excerpt":"A ideia por tr\u00e1s dos circuitos virtuais \u00e9 evitar a necessidade de escolher uma nova rota para cada pacote enviado, como nas conex\u00f5es sem conex\u00f5es. Nesse caso, quando uma conex\u00e3o \u00e9 estabelecida, escolhe-se uma rota desde a m\u00e1quina de origem at\u00e9 a m\u00e1quina de destino, como parte da configura\u00e7\u00e3o da\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\/Slide87.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide87.jpg?resize=700%2C400 2x"},"classes":[]},{"id":733,"url":"https:\/\/efagundes.com\/networking\/a-camada-de-rede\/servicos-oferecidos-a-camada-de-transporte\/","url_meta":{"origin":2663,"position":1},"title":"Servi\u00e7os oferecidos \u00e0 camada de transporte","author":"Eduardo Fagundes","date":"18\/11\/2012","format":false,"excerpt":"Tendo definido os objetivos da camada de rede, os projetistas da camada de rede t\u00eam liberdade para escrever especifica\u00e7\u00f5es detalhadas dos servi\u00e7os a serem oferecidos \u00e0 camada de transporte. Uma discuss\u00e3o acad\u00eamica \u00e9 se a camada de rede deve fornecer servi\u00e7o orientado a conex\u00f5es ou servi\u00e7o sem conex\u00f5es. Um lado,\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\/Slide77.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide77.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide77.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide77.jpg?resize=700%2C400 2x"},"classes":[]},{"id":572,"url":"https:\/\/efagundes.com\/networking\/camada-de-enlace-de-dados\/servicos-oferecidos-a-camada-de-rede\/","url_meta":{"origin":2663,"position":2},"title":"Servi\u00e7os oferecidos \u00e0 camada de rede","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"A fun\u00e7\u00e3o da camada de enlace de dados \u00e9 fornece servi\u00e7os \u00e0 camada de rede. O principal servi\u00e7o \u00e9 transferir dados da camada de rede da m\u00e1quina de origem para a camada de rede da m\u00e1quina de destino. Na camada de rede da m\u00e1quina de origem, h\u00e1 uma entidade chamada\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\/Slide310.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide310.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide310.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide310.jpg?resize=700%2C400 2x"},"classes":[]},{"id":780,"url":"https:\/\/efagundes.com\/networking\/algoritmos-de-roteamento\/qualidade-de-servico-quality-of-service\/","url_meta":{"origin":2663,"position":3},"title":"Qualidade de Servi\u00e7o (Quality of Service)","author":"Eduardo Fagundes","date":"18\/11\/2012","format":false,"excerpt":"Para que uma aplica\u00e7\u00e3o que opere atrav\u00e9s de uma rede de computadores (voz, multim\u00eddia, v\u00eddeo confer\u00eancia, etc.) tenha uma performance satisfat\u00f3ria para atender os requisitos pr\u00e9-determinados \u00e9 importante aplicar tecnologias que garantam o tr\u00e1fego satisfat\u00f3rio e confi\u00e1vel dos dados. Esse \u00e9 o princ\u00edpio b\u00e1sico do QoS (Quality of Servi\u00e7o) ou,\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\/Slide304.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide304.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide304.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide304.jpg?resize=700%2C400 2x"},"classes":[]},{"id":101,"url":"https:\/\/efagundes.com\/networking\/software-de-rede\/hierarquias-de-protocolos\/","url_meta":{"origin":2663,"position":4},"title":"Hierarquias de protocolos","author":"Eduardo Fagundes","date":"16\/11\/2012","format":false,"excerpt":"No in\u00edcio dos anos 60 foram criados os primeiros protocolos de comunica\u00e7\u00e3o BSC-1 (Bynary Synchronous Communications) para transmiss\u00e3o de informa\u00e7\u00f5es remotas em batch, e BSC-3 (ou poll select) que permitia a integra\u00e7\u00e3o do usu\u00e1rio com o sistema atrav\u00e9s de terminais, ou seja, o processamento on-line. Esses avan\u00e7os tecnol\u00f3gicos proporcionaram um\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide25","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide25.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide25.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide25.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide25.jpg?resize=700%2C400 2x"},"classes":[]},{"id":783,"url":"https:\/\/efagundes.com\/networking\/algoritmos-de-roteamento\/requisitos\/","url_meta":{"origin":2663,"position":5},"title":"Requisitos","author":"Eduardo Fagundes","date":"18\/11\/2012","format":false,"excerpt":"Uma sequ\u00eancia de pacotes desde uma origem at\u00e9 um destino \u00e9 chamada fluxo. Em uma rede orientada a conex\u00f5es, todos os pacotes que pertencem a um fluxo seguem a mesma rota; em uma rede sem conex\u00f5es, eles podem seguir rotas diferentes. Simplificando, as necessidade de cada fluxo podem ser caracterizadas\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\/Slide315.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide315.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide315.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide315.jpg?resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/2663","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=2663"}],"version-history":[{"count":0,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/2663\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/721"}],"wp:attachment":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/media?parent=2663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}