{"id":59,"date":"2012-11-16T18:29:53","date_gmt":"2012-11-16T20:29:53","guid":{"rendered":"http:\/\/efagundes.com\/openclass_networking\/?page_id=59"},"modified":"2022-01-16T17:49:46","modified_gmt":"2022-01-16T20:49:46","slug":"usuarios-moveis","status":"publish","type":"page","link":"https:\/\/efagundes.com\/networking\/curso-de-redes-de-computadores\/usuarios-moveis\/","title":{"rendered":"Usu\u00e1rios M\u00f3veis"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide5.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2342\" data-permalink=\"https:\/\/efagundes.com\/networking\/curso-de-redes-de-computadores\/usuarios-moveis\/slide5\/\" data-orig-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide5.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=\"Slide5\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide5.jpg?fit=960%2C720&amp;ssl=1\" class=\"alignnone size-full wp-image-2342\" src=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide5.jpg?resize=960%2C720\" alt=\"Slide5\" width=\"960\" height=\"720\" srcset=\"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide5.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide5.jpg?resize=300%2C225&amp;ssl=1 300w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p>A Internet e o telefone celular s\u00e3o itens indispens\u00e1veis no cotidiano das pessoas. Outro item que est\u00e1 com um crescimento exponencial \u00e9 o smart-phone (iPhone, Blackberry, Android, Windows Phone). Com isso, \u00e9 natural que a ind\u00fastria de inform\u00e1tica e telecomunica\u00e7\u00f5es esteja trabalhando para integrar as facilidades da Internet nos smart-phones.<\/p>\n<p>Existem v\u00e1rias aplica\u00e7\u00f5es comerciais para esse servi\u00e7o, nas \u00e1reas de log\u00edstica, vendas, manuten\u00e7\u00e3o e seguran\u00e7a. Na \u00e1rea de log\u00edstica, a transmiss\u00e3o de dados de entrega e localiza\u00e7\u00e3o de mercadorias traz um grande beneficio para as empresas no controle da distribui\u00e7\u00e3o. Al\u00e9m, de auxiliar na localiza\u00e7\u00e3o de cargas roubadas, com um custo menor do que o servi\u00e7o de localiza\u00e7\u00e3o de cargas via sat\u00e9lite. Na \u00e1rea de vendas, a consulta e o envio do pedido de compras diretamente aos computadores da empresa. Na \u00e1rea de manuten\u00e7\u00e3o, um bom exemplo poderia ser pequenos equipamentos acoplados em vending machines, informando constantemente a quantidade de produtos, a temperatura da m\u00e1quina e se est\u00e1 em perfeito funcionamento.<\/p>\n<p>Para uso pessoal os smart-phones t\u00eam aplica\u00e7\u00f5es para correio eletr\u00f4nico, calend\u00e1rio, Internet Banking e outras aplica\u00e7\u00f5es m\u00f3veis (Facebook, Twitter, Linkedin, Skype, Google, etc.).<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Internet e o telefone celular s\u00e3o itens indispens\u00e1veis no cotidiano das pessoas. Outro item que est\u00e1 com um crescimento exponencial \u00e9 o smart-phone (iPhone, Blackberry, Android, Windows Phone). Com isso, \u00e9 natural que a ind\u00fastria de inform\u00e1tica e telecomunica\u00e7\u00f5es esteja trabalhando para integrar as facilidades da Internet nos smart-phones. Existem v\u00e1rias aplica\u00e7\u00f5es comerciais para [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-59","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P8yKGp-X","jetpack-related-posts":[{"id":54,"url":"https:\/\/efagundes.com\/networking\/curso-de-redes-de-computadores\/business-to-consumer-b2c\/","url_meta":{"origin":59,"position":0},"title":"Business-to-Consumer (B2C)","author":"Eduardo Fagundes","date":"16\/11\/2012","format":false,"excerpt":"O B2C s\u00e3o todos os processos que permitem que um consumidor final possa adquirir um produto ou servi\u00e7o atrav\u00e9s da Internet. Os shoppings on-line devem prover de todas as informa\u00e7\u00f5es necess\u00e1rias para o consumidor comprar um produto sem a intera\u00e7\u00e3o f\u00edsica com os representantes comerciais da empresa. Mesmo que alguns\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide4","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide4.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide4.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide4.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide4.jpg?resize=700%2C400 2x"},"classes":[]},{"id":460,"url":"https:\/\/efagundes.com\/networking\/sistema-de-telefonia-movel\/internet-de-3o-geracao\/","url_meta":{"origin":59,"position":1},"title":"Internet de 3\u00ba gera\u00e7\u00e3o","author":"Eduardo Fagundes","date":"17\/11\/2012","format":false,"excerpt":"A Internet M\u00f3vel vai ser um sucesso apenas se novas aplica\u00e7\u00f5es forem desenvolvidas para tirar proveito das caracter\u00edsticas espec\u00edficas do ambiente de internet m\u00f3vel. Tais aplica\u00e7\u00f5es devem se beneficiar do acesso instant\u00e2neo a informa\u00e7\u00f5es de necessidade imediata, assim como de novas funcionalidades como os servi\u00e7os baseados em localiza\u00e7\u00e3o. Estas aplica\u00e7\u00f5es\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\/Slide331.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide331.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide331.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide331.jpg?resize=700%2C400 2x"},"classes":[]},{"id":9,"url":"https:\/\/efagundes.com\/networking\/curso-de-redes-de-computadores\/","url_meta":{"origin":59,"position":2},"title":"Uso de Redes de Computadores","author":"Eduardo Fagundes","date":"16\/11\/2012","format":false,"excerpt":"Antes de come\u00e7armos o estudo das quest\u00f5es t\u00e9cnicas de redes e transmiss\u00e3o de dados \u00e9 interessante entender a import\u00e2ncia das redes de computadores nas empresas e na vida das pessoas. Muitas empresas t\u00eam um n\u00famero significativo de computadores. Inicialmente, esses computadores funcionavam isoladamente, mas em um determinado momento, a ger\u00eancia\u2026","rel":"","context":"Post similar","block_context":{"text":"Post similar","link":""},"img":{"alt_text":"Slide1","src":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide1.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide1.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide1.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":766,"url":"https:\/\/efagundes.com\/networking\/algoritmos-de-roteamento\/aplicacoes-de-roteamento-em-redes-ad-hoc\/","url_meta":{"origin":59,"position":3},"title":"Aplica\u00e7\u00f5es de roteamento em redes ad hoc","author":"Eduardo Fagundes","date":"18\/11\/2012","format":false,"excerpt":"Al\u00e9m da problem\u00e1tica dos hosts m\u00f3veis com roteadores fixos, existe uma dificuldade adicional em redes com roteamento m\u00f3veis, conhecidas como roteamento em redes ad-hoc. Tr\u00eas de ambientes m\u00f3veis devem ser sempre consideradas quando s\u00e3o projetados algoritmos para redes ad-hoc: Inexist\u00eancia de uma entidade central Possibilidade de r\u00e1pidas mudan\u00e7as topol\u00f3gicas Todas\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\/Slide235.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide235.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide235.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide235.jpg?resize=700%2C400 2x"},"classes":[]},{"id":793,"url":"https:\/\/efagundes.com\/networking\/algoritmos-de-roteamento\/servicos-diferenciados-diffserv\/","url_meta":{"origin":59,"position":4},"title":"Servi\u00e7os diferenciados (Diffserv)","author":"Eduardo Fagundes","date":"18\/11\/2012","format":false,"excerpt":"A Internet atual atende requisi\u00e7\u00f5es de aplica\u00e7\u00f5es e as encaminha num esquema de servi\u00e7o best-effort. Neste contexto, o IETF (Internet Engineering Task Force) vem realizando esfor\u00e7os no sentido de padronizar mecanismos e arquiteturas que conduzam ao oferecimento de um n\u00edvel diferenciado de servi\u00e7os na Internet. \u00c9 neste cen\u00e1rio que surgem\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\/Slide362.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide362.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide362.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/efagundes.com\/networking\/wp-content\/uploads\/sites\/5\/2015\/03\/Slide362.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":59,"position":5},"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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/59","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=59"}],"version-history":[{"count":0,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/59\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/pages\/9"}],"wp:attachment":[{"href":"https:\/\/efagundes.com\/networking\/wp-json\/wp\/v2\/media?parent=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}