582615 Overlay and P2P Networks (ohtk 25.8.2011)
| Principal theme | Prerequisite knowledge | Approaches the learning objectives | Reaches the learning objectives | Deepens the learning objectives |
|---|---|---|---|---|
| Overlay and peer-to-peer networks: definitions and systems | Basics of data communications and distributed systems (Introduction to Data Communications, Distributed Systems) | Knowledge of how to define the concepts of overlay and peer-to-peer networks, and state their central features Ability to describe at least one system in detail |
Ability of comparing different overlay and p2p networks in a qualitative manner Ability to assess the suitability of different systems to different use cases |
Ability to give one’s own definition of the central concepts and discuss the key design and deployment issues |
| Distributed hash tables | Basics of data communications and distributed systems (Introduction to Data Communications, Distributed Systems) Big-O-notation and basics of algorithmic complexity |
Knowledge of the concepts of structured and unstructured networks and the ability to classify solutions into these two categories Knowledge of the basics of distributed hash tables Ability to describe at least one distributed hash table algorithm in detail |
Ability of comparing different distributed hash table algorithms Ability of designing distributed hash table-based applications Knowledge of key performance issues of distributed hash table systems and the ability to analyze these systems |
The knowledge of choosing a suitable distributed hash table design for a problem Familiarity with the state of the art |
| Reliability and performance modelling | Basics of probability theory Basics of reliability in distributed systems |
Ability to model and assess the reliability of overlay and peer-to-peer networks by using probability theory Knowledge of the most important factors pertaining to reliability |
Ability of analytically analyzing the reliability and performance of overlay and peer-to-peer networks Understanding of the design issues that are pertinent for reliable systems |
Familiarity with the state of the art |
| Content distribution | Introduction to Data Communications | Knowledge of the basic content distribution solutions Ability to describe at least one overlay and p2p network based content distribution solution |
Knowledge of different content distribution systes and the ability to compare them in detail Knowledge of several content distribution techniques |
Familiarity with the state of the art |
| Security | Basics of computer security | Knowledge of the basic security issues with overlay and p2p networks Knowledge of the sybil attack concept |
Ability to discuss how security problems and limitations can be solved Knowledge of how to prevent sybil attacks |
Knowledge of how to prevent sybil attacks Familiarity with the state of the art |
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