Article riot.ensimag.fr

a19f81cf · Nicolas Guichard · 1047b390 · a19f81cf · a19f81cf
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--- a/content/posts/riot.md
+++ b/content/posts/riot.md
+---
+title: "Découvrez le nouveau service de l'Ensimag : riot.ensimag.fr"
+date: 2020-03-13T00:19:45+01:00
+author: "Nicolas Guichard"
+tags: ["Matrix", "Riot"]
+cover: "/img/matrix-logo-white.svg"
+---
+
+# L'Ensimag lance sa messagerie instantanée
+
+Ce 12 mars à 22h22, dans un mail annonçant la fermeture temporaire de l'Ensimag
+à cause de l'épidémie de COVID-19, Jean-Louis Roch a dévoilé
+[riot.ensimag.fr](https://riot.ensimag.fr/).
+
+Avec votre compte Grenoble INP habituel, vous pouvez désormais rejoindre le
+réseau de messagerie instantanée avec la plus forte croissance de ces dernières
+années !
+
+[riot.ensimag.fr](https://riot.ensimag.fr/) est une instance Riot préconfigurée
+pour se connecter au serveur d'accueil Matrix
+[matrix.ensimag.fr](https://matrix.ensimag.fr/)
+
+## What is the Matrix?
+
+<!--more-->
+
+> Nobody can be told what the matrix is, you have to [see it for yourself](https://riot.ensimag.fr/).
+> − Morpheus
+
+Matrix est un protocole de messagerie instantanée qui vise à être décentralisé
+et fédéré. N'importe qui peut déployer son serveur, et n'importe quel
+utilisateur de n'importe quel serveur peut joindre tous les autres utilisateurs
+de tous les autres serveurs.
+
+Riot est un client pour ce protocole.
+
+C'est un peu comme le courrier électronique, mais retravaillé pour la messagerie
+instantanée. Par analogie :
+
+|                          | Matrix                                                   | Courrier électronique                                        |
+|--------------------------|----------------------------------------------------------|--------------------------------------------------------------|
+| Client web               | [riot.ensimag.fr](https://riot.ensimag.fr)               | [webmail.grenoble-inp.org](https://webmail.grenoble-inp.org) |
+| Client Linux Mac Windows | [Riot Desktop](https://about.riot.im/downloads)          | Mozilla Thunderbird                                          |
+| Client Android           | [Riot Android](https://about.riot.im/downloads)          | application Mail Android                                     |
+| Client iOS               | [Riot iOS](https://about.riot.im/downloads)              | application Mail iOS                                         |
+| Serveur                  | matrix.ensimag.fr                                        | smtp.grenet.fr                                               |
+| Identifiant              | @login:ensimag.fr                                        | prénom.nom@grenoble-inp.org                                  |
+
+Mais contrairement aux mails, vous gardez tous les avantages de la messagerie
+instantanée moderne :
+ * Statut en ligne/hors ligne
+ * Marques de lecture
+ * Conférences audio et vidéo
+ * Réactions
+ * @tags
+ * #salons de discussion
+ * +groupes
+
+Et plus encore :
+ * Support de ponts vers d'autres réseaux
+ * Formatage avancé en Markdown
+ * Chiffrement de bout en bout
+ * Aucun suivi publicitaire
+
+## La plus forte croissance ?
+
+Quelques communautés importantes ont effectué leur migration vers le réseau
+Matrix récemment.
+
+Par exemple, Matrix est depuis peu le réseau officiel de communication interne
+du gouvernement français, pour ses fonctionnalités de sécurité exemplaires. Le
+déploiement du gouvernement s'appelle [Tchap](https://www.tchap.gouv.fr/) et est
+géré par la DINUM avec le soutient de New Vector, la société franco-britannique
+derrière Matrix.
+
+D'autres communautés d'utilisateurs notables incluent Thales, Mozilla et KDE.
+
+La beauté de Matrix vient du fait que les utilisateurs de toutes ces communautés
+peuvent communiquer entre eux. Et maintenant vous aussi.
+
+## L'interopérabilité en prime
+
+Vos contacts ne sont peut-être pas encore sur Matrix, mais ce n'est pas un
+raison pour ne pas pouvoir les contacter !
+
+Le protocole Matrix inclut le concept de ponts (*bridges*) qui permettent
+d'augmenter significativement la portée du réseau.
+
+Trois ponts publics sont
+fournis par matrix.org :
+ - Slack
+ - IRC (Freenode, GIMPNet, Snoonet, OFTC et W3C)
+ - Gitter
+
+Deux autres ponts publics sont fournis par t2bot.io :
+ - [Telegram](https://t2bot.io/telegram/)
+ - [Discord](https://t2bot.io/discord/)
+
+## ~~Ensilibre lance sa messagerie instantanée~~
+## Le service info a doublé Ensilibre
+
+Depuis quelques mois déjà, nous travaillions à la sortie d'un service de
+messagerie basé sur les mêmes technologies : discussions.ensilib.re.
+Il était en ligne depuis fin décembre.
+
+Cet article, dont la rédaction a commencé le 12 mars au matin, devait annoncer
+officiellement la disponibilité du service et la possibilité de s'y connecter
+avec son compte INP. C'est avec un grand plaisir et une petite tristesse que je
+vais pouvoir décommissionner le serveur Matrix d'Ensilibre, au profit de celui de
+l'Ensimag.
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