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This course is meant to illustrate the conceptual foundations, the main features and the most relevant issues of today distributed computational systems. Also, the main technologies for constructing distributed systems are introduced, in terms of languages, middleware, and infrastructures. In particular, object-based, web-based, coordination-based and agent-based systems are used as the sources for case studies and for experiments in the laboratory.
learning outcomes
At the end of the course, students got acquainted with the fundamental issues of distributed systems, the computational models capturing their essence, and the technologies currently helping facing them in the most systematic and effective way. In particular, students become familiar with the fittest solutions, technologies, architectures, and methodologies to design distributed systems, and is capable of
devising out the most critical aspects of distributed systems coming from physical distribution
determining the most proper methodological approaches
selecting the fittest technologies for implementing the solutions detected
course contents
Generality on distributed systems
Basic problems and definitions
Software architectures. The architecture of the WWW, REST & ROA
Software infrastructure: from objects to agents
Fundamental issues of distributed systems
Communication
Naming
Synchronisation
Consistency & replication
Fault tolerance
Coordination: generality, languages and technologies
Distributed software system engineering
Main sorts of distributed systems
Distributed object-based systems
Distributed web-based systems
Distributed coordination-based systems
Multi-agent systems
readings / bibliography
The bibliography is made available through the course web site.
teaching methods
Lessons with slides
Examples discussed and built by the teacher and by experts from the field
Lab activity
assessment methods
Oral test
Possible discussion of an individual/group project
Sistemi distribuiti 2022/2023 • 
