{"id":479344,"date":"2023-08-09T10:33:53","date_gmt":"2023-08-09T10:33:53","guid":{"rendered":""},"modified":"2023-09-05T11:18:38","modified_gmt":"2023-09-05T11:18:38","slug":"token-ring","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/fr\/wiki\/token-ring\/","title":{"rendered":"Bague jeton"},"content":{"rendered":"<p>Token Ring est un protocole de r\u00e9seau informatique dans lequel un jeton, une petite trame, circule sur le r\u00e9seau pour g\u00e9rer l&#039;acc\u00e8s au support de communication partag\u00e9. Il utilise une topologie en anneau, ce qui signifie que chaque ordinateur est connect\u00e9 \u00e0 exactement deux autres ordinateurs, formant ainsi un anneau logique. Cela garantit qu&#039;il n&#039;y a pas de collisions dans la transmission de donn\u00e9es et permet un contr\u00f4le efficace des paquets de donn\u00e9es.<\/p>\n<h2>L&#039;histoire de l&#039;origine du Token Ring et sa premi\u00e8re mention<\/h2>\n<p>Token Ring a \u00e9t\u00e9 initialement d\u00e9velopp\u00e9 et brevet\u00e9 par Olof S\u00f6derblom en 1969. IBM a ensuite popularis\u00e9 et commercialis\u00e9 la technologie au d\u00e9but des ann\u00e9es 1980. La premi\u00e8re mention de Token Ring figurait dans la demande de brevet de S\u00f6derblom, qui posait les bases de l&#039;architecture r\u00e9seau Token Ring d&#039;IBM, normalis\u00e9e selon la norme IEEE 802.5.<\/p>\n<h2>Informations d\u00e9taill\u00e9es sur Token Ring\u00a0: extension du sujet Token Ring<\/h2>\n<p>Token Ring \u00e9tait une topologie de r\u00e9seau r\u00e9pandue dans les ann\u00e9es 1980 et au d\u00e9but des ann\u00e9es 1990, concurren\u00e7ant principalement Ethernet. Le principe sous-jacent est qu\u2019un jeton circule sur le r\u00e9seau et que seul l\u2019appareil poss\u00e9dant le jeton peut envoyer des donn\u00e9es. Cela garantit un environnement sans collision et une opportunit\u00e9 \u00e9gale pour chaque appareil de transmettre des donn\u00e9es.<\/p>\n<h3>Fonctionnement du protocole<\/h3>\n<ol>\n<li><strong>Initialisation<\/strong>: Le r\u00e9seau est initialis\u00e9 et le jeton est g\u00e9n\u00e9r\u00e9.<\/li>\n<li><strong>Possession de jetons<\/strong>: Un appareil qui a des donn\u00e9es \u00e0 envoyer capture le jeton.<\/li>\n<li><strong>Transmission de donn\u00e9es<\/strong>: L&#039;appareil envoie la trame de donn\u00e9es puis lib\u00e8re le jeton.<\/li>\n<li><strong>Circulation des jetons<\/strong>: Le jeton continue de circuler et le processus se r\u00e9p\u00e8te.<\/li>\n<\/ol>\n<h2>La structure interne du Token Ring : Comment fonctionne le Token Ring<\/h2>\n<p>Token Ring fonctionne en connectant chaque appareil \u00e0 deux autres, cr\u00e9ant ainsi un anneau physique ou logique. Ce qui suit d\u00e9crit la structure\u00a0:<\/p>\n<ol>\n<li><strong>Topologie en anneau<\/strong>: Les appareils sont connect\u00e9s en boucle, soit physiquement, soit via une unit\u00e9 d&#039;acc\u00e8s multistation (MAU).<\/li>\n<li><strong>Circulation des jetons<\/strong>: Le jeton est transmis en permanence entre les appareils.<\/li>\n<li><strong>Transmission de donn\u00e9es<\/strong>: Lorsqu&#039;un appareil poss\u00e8de le jeton, il peut envoyer une trame de donn\u00e9es \u00e0 l&#039;adresse de destination.<\/li>\n<li><strong>Reconnaissance<\/strong>: L&#039;appareil de r\u00e9ception accuse r\u00e9ception et le jeton est lib\u00e9r\u00e9 pour que d&#039;autres appareils puissent l&#039;utiliser.<\/li>\n<\/ol>\n<h2>Analyse des principales caract\u00e9ristiques du Token Ring<\/h2>\n<ul>\n<li><strong>Sans collision<\/strong>\u00a0:\u00a0Le passage du jeton garantit l&#039;absence de collision de donn\u00e9es.<\/li>\n<li><strong>D\u00e9terministe<\/strong>: Temps de transmission pr\u00e9visibles.<\/li>\n<li><strong>Probl\u00e8mes d&#039;\u00e9volutivit\u00e9<\/strong>: \u00c0 mesure que le r\u00e9seau se d\u00e9veloppe, le temps de circulation du token augmente, entra\u00eenant des retards.<\/li>\n<li><strong>Entretien<\/strong>: Plus complexe que les autres topologies, n\u00e9cessitant une configuration et une surveillance minutieuses.<\/li>\n<\/ul>\n<h2>\u00c9crivez quels types de Token Ring existent\u00a0: utilisez des tableaux et des listes pour \u00e9crire<\/h2>\n<table>\n<thead>\n<tr>\n<th>Taper<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Anneau \u00e0 jeton 4 Mbit\/s<\/td>\n<td>Fonctionne \u00e0 4 m\u00e9gabits par seconde<\/td>\n<\/tr>\n<tr>\n<td>Anneau \u00e0 jeton 16 Mbit\/s<\/td>\n<td>Fonctionne \u00e0 16 m\u00e9gabits par seconde<\/td>\n<\/tr>\n<tr>\n<td>Anneau \u00e0 jeton actif<\/td>\n<td>Utilise un hub actif ou MAU<\/td>\n<\/tr>\n<tr>\n<td>Anneau de jeton passif<\/td>\n<td>Utilise des hubs passifs sans m\u00e9canisme de contr\u00f4le actif<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Fa\u00e7ons d&#039;utiliser Token Ring, probl\u00e8mes et leurs solutions li\u00e9es \u00e0 l&#039;utilisation<\/h2>\n<p>Token Ring \u00e9tait principalement utilis\u00e9 dans les r\u00e9seaux d&#039;entreprise. Cependant, sa complexit\u00e9 et son co\u00fbt ont conduit \u00e0 son d\u00e9clin. Certains des probl\u00e8mes et des solutions sont\u00a0:<\/p>\n<ul>\n<li><strong>Probl\u00e8me<\/strong>: \u00c9volutivit\u00e9<br \/>\n<strong>Solution<\/strong>: Mettre en \u0153uvre des contr\u00f4les suppl\u00e9mentaires et concevoir correctement le r\u00e9seau.<\/li>\n<li><strong>Probl\u00e8me<\/strong>: Complexit\u00e9 de la maintenance<br \/>\n<strong>Solution<\/strong>: Surveillance r\u00e9guli\u00e8re et gestion comp\u00e9tente du r\u00e9seau.<\/li>\n<\/ul>\n<h2>Principales caract\u00e9ristiques et autres comparaisons avec des termes similaires sous forme de tableaux et de listes<\/h2>\n<table>\n<thead>\n<tr>\n<th>Caract\u00e9ristiques<\/th>\n<th>Anneau \u00e0 jeton<\/th>\n<th>Ethernet<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Topologie<\/td>\n<td>Anneau<\/td>\n<td>Bus\/\u00c9toile<\/td>\n<\/tr>\n<tr>\n<td>Vitesse<\/td>\n<td>4\/16 Mbit\/s<\/td>\n<td>10\/100\/1000 Mbit\/s+<\/td>\n<\/tr>\n<tr>\n<td>Gestion des collisions<\/td>\n<td>Passage symbolique<\/td>\n<td>CSMA\/CD<\/td>\n<\/tr>\n<tr>\n<td>\u00c9volutivit\u00e9<\/td>\n<td>Limit\u00e9<\/td>\n<td>Hautement \u00e9volutif<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Perspectives et technologies du futur li\u00e9es au Token Ring<\/h2>\n<p>Bien que Token Ring ait \u00e9t\u00e9 largement remplac\u00e9 par Ethernet, les principes qui sous-tendent le passage des jetons ont influenc\u00e9 d&#039;autres technologies. Le contr\u00f4le d&#039;acc\u00e8s bas\u00e9 sur des jetons est visible dans les protocoles modernes, et l&#039;id\u00e9e d&#039;un r\u00e9seau sans collision est toujours pertinente dans des applications sp\u00e9cifiques.<\/p>\n<h2>Comment les serveurs proxy peuvent \u00eatre utilis\u00e9s ou associ\u00e9s \u00e0 Token Ring<\/h2>\n<p>Bien que Token Ring lui-m\u00eame ne soit pas largement utilis\u00e9, des serveurs proxy peuvent \u00eatre impl\u00e9ment\u00e9s au sein d&#039;un r\u00e9seau Token Ring, tout comme ils peuvent l&#039;\u00eatre dans d&#039;autres topologies de r\u00e9seau. Les serveurs proxy dans un environnement Token Ring fonctionneraient comme interm\u00e9diaires, transmettant les demandes et les r\u00e9ponses entre les clients et les serveurs, g\u00e9rant ainsi le trafic r\u00e9seau.<\/p>\n<h2>Liens connexes<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.ibm.com\" target=\"_new\" rel=\"noopener nofollow\">Introduction d&#039;IBM \u00e0 Token Ring<\/a><\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/standard\/802_5-2000.html\" target=\"_new\" rel=\"noopener nofollow\">Norme IEEE 802.5<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/fr\/\" target=\"_new\" rel=\"noopener\">Guide OneProxy des protocoles r\u00e9seau<\/a><\/li>\n<\/ul>","protected":false},"featured_media":479345,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479344","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Token Ring<\/mark>","faq_items":[{"question":"What is Token Ring, and how does it work?","answer":"<p>Token Ring is a computer networking protocol that uses a ring topology to manage access to a shared communication medium. It operates by passing a token, a small frame, around the network, and only the device possessing the token can send data. This ensures a collision-free environment and equal opportunity for each device to transmit data.<\/p>"},{"question":"What is the history of the origin of Token Ring?","answer":"<p>Token Ring was initially developed and patented by Olof S\u00f6derblom in 1969. IBM later commercialized the technology in the early 1980s, and it became standardized as IEEE 802.5.<\/p>"},{"question":"How does the internal structure of the Token Ring work?","answer":"<p>Token Ring operates by connecting each device to two others, creating a physical or logical ring. A token circulates around the network, and when a device has the token, it can send a data frame to the destination address. The receiving device acknowledges receipt, and the token is released for other devices to use.<\/p>"},{"question":"What are the key features of Token Ring?","answer":"<p>Key features of Token Ring include collision-free data transmission, predictable transmission times, scalability issues, and a more complex maintenance structure compared to other topologies.<\/p>"},{"question":"What types of Token Ring exist?","answer":"<p>There are several types of Token Ring, including 4 Mbps Token Ring, 16 Mbps Token Ring, Active Token Ring (using an active hub or MAU), and Passive Token Ring (using passive hubs).<\/p>"},{"question":"What are the common ways to use Token Ring, and what problems might arise?","answer":"<p>Token Ring was mainly used in corporate networks but faced challenges like scalability and maintenance complexity. Solutions include implementing additional controls and having regular monitoring with skilled network management.<\/p>"},{"question":"How does Token Ring compare to similar technologies like Ethernet?","answer":"<p>Token Ring uses a ring topology and token passing, operating at speeds of 4 or 16 Mbps, with limited scalability. In contrast, Ethernet uses Bus\/Star topology, offers speeds from 10 Mbps upwards, and is highly scalable with a different collision-handling mechanism.<\/p>"},{"question":"What are the future perspectives and technologies related to Token Ring?","answer":"<p>While Token Ring itself is largely obsolete, the principles behind token passing have influenced other technologies, and the idea of a collision-free network still holds relevance in specific applications.<\/p>"},{"question":"How can proxy servers be used or associated with Token Ring?","answer":"<p>Proxy servers can be implemented within a Token Ring network to function as intermediaries, forwarding requests and responses between clients and servers, thereby managing network traffic.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/wiki\/479344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/wiki\/479344\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/media\/479345"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/fr\/wp-json\/wp\/v2\/media?parent=479344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}