November 2024
Intermediate to advanced
340 pages
11h 11m
French
Content preview from Fondements des systèmes évolutifs
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Chapitre 3. L'essentiel des systèmes distribués
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Comme je l'ai décrit au chapitre 2, la mise à l'échelle d'un système implique naturellement l'ajout de multiples pièces mobiles indépendantes. Nous exécutons nos composants logiciels sur plusieurs machines et nos bases de données sur plusieurs nœuds de stockage, tout cela dans le but d'augmenter la capacité de traitement. Par conséquent, nos solutions sont réparties sur plusieurs machines à plusieurs endroits, chaque machine traitant des événements simultanément et échangeant des messages sur un réseau.
Cette nature fondamentale des systèmes distribués a des implications profondes sur la façon dont nous concevons, construisons et exploitons nos solutions. Ce chapitre fournit les informations de base que tu dois connaître pour apprécier les problèmes et les complexités des systèmes logiciels distribués. J'aborderai brièvement le matériel et les logiciels des réseaux de communication, l'invocation de méthodes à distance, la façon de gérer les implications des pannes de communication, la coordination distribuée et l'épineuse question du temps dans les systèmes distribués.
Les bases de la communication
Tout système distribué comporte des composants logiciels qui communiquent par l'intermédiaire d'un réseau. Si une appli bancaire mobile demande le solde du compte bancaire actuel de l'utilisateur, une séquence ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.