Advanced Operating Systems (2005/2006)

Course partially running

Course code
Name of lecturer
Graziano Pravadelli
Number of ECTS credits allocated
Other available courses
Academic sector
Language of instruction
not yet allocated

Learning outcomes

The course presents theoretical and practical aspects related to distributed and real-time operating systems. Theoretical lessons will be supported by practical exercitations in laboratory.
The course consists of 44 theoretical and practical hours.


* Introduction
- Non-conventional operating systems
° Distributed operating systems
° Multi-processor operating systems
° Real-time operating systems
° Embedded operating systems
° Structure of non-conventional operating systems
° Microkernel
° Exokernel
° Cluster
- Example of non-conventional operating systems

* Distributed operating systems
- Problems
- HW/SW architectures
- Design metrics (transparency, flexibility, reliability, scalability)
- Communication on distributed systems
- Protocols
- Client/server paradigm

* Synchronization on distributed systems
- Clock synchronization
- Mutual exclusion and atomic transitions
- Deadlock

* Distributed file systems
- Problems and implementation
- Naming and caching
- Case studies: NFS, LFS, AFS

* Shared distributed memory
- Conceptual model
- Implementation
- Consistency

* Real-time operating systems
- Problems and constraints
- Determinism
- Reactivity
- Reliability
- Examples

* Scheduling on real-time operating systems
- Clock, deadline and time-out
- Priority scheduling
- Deadline scheduling
- Aperiodic and periodic scheduling

* Laboratory exercitations
- Introduction to the cross-toolchain
- The eCos operating system
- Cross-compilation for eCos
- eCos kernel reconfiguration
- HW/SW/NW co-simulation
- Devide driver

Reference books
Author Title Publisher Year ISBN Note
A.Tanenbaum Disitributed Operating Systems Prentice Hall 1994 0132199084
Giorgio Buttazzo "HARD REAL-TIME COMPUTING SYSTEMS: Predictable Scheduling Algorithms and Applications", Kluwer Academic Publishers 1997
W. Stallings Operating Systems - Internal and Design Principles (Edizione 3) Prentice Hall 1998 0138874077

Assessment methods and criteria

The exams is written and it consists of practical exercises and questions. The oral exam is facultative. A project is required for the laboratory module.

Teaching aids