Inhaltsverzeichnis

Inhalt der Vorlesung:
- Themenstellung des Labors:
- Literatur:
Links:

Verteilte Systeme - Distributed Systems

Inhalt der Vorlesung:

Foundation of operating systems
- Resource-management
- Process abstraction and life-cycle
- Scheduling mechanisms

Foundation of communication systems
- Two-Army-Problem
- Principal properties of communication channels
- Network transport protocols

Inter-process communication
- Signals, Shared Memory, Pipes, Sockets
Typical issues in distributed systems
- Error-cases, Synchronisation, Distributed time-base and event mechanisms

Socket-programming in Python and C

Communication Architectures
- Client/Server, Publish/Subscribe, P2P

Middleware-Architectures
- Remote Procedure Calls (RPC) and application protocols: (HTTP, HTML, XML, JSON)
- Examples of distributed architectures: WWW & MQTT
- Designing RESTful services with AJAX and JSON

Themenstellung des Labors:

Design of application scenarios for wireless sensor networks
Using the Contiki-OS for 8/16/32-bit microcontrollers
Analysis of use cases for communication protocols
- Real-time communication
- Management of limited resources
- Energy efficiency
- Excessive packet drop and delay
- Secure deployment and operation

Literatur:

A. Tanenbaum, M. van Steen: Distributed Systems, Prentice-Hall
R. Stevens, S. Rago: Advanced Programming in the UNIX Environment, Addison-Wesley

Links:

REST

API's

https://ipapi.co/#api - IP Location API
http://open-notify.org/Open-Notify-API/ISS-Location-Now/ - International Space Station Current Location
https://gist.github.com/rshrc/127ba2c20df74263d71bc5a5595c8969 - A Tutorial on how to use API's in Python

JSON

https://jsonata.org/
- https://www.youtube.com/watch?v=ZBaK40rtIBM&t=1s

Queues

http://queues.io

WebRTC