Commit 6e0e0ac6 authored by Nicolas Guichard's avatar Nicolas Guichard

Article riot.ensimag.fr

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---
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 de 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 :
* Status 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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