Indice
Peer to Peer Systems 2014/15
Teacher: Laura Ricci
Note: This is a temporary page: the course will be managed by the Moodle platform.
For any information about the course contact laura.ricci@di.unipi.it/ricci@di.unipi.it
You can find all the materials of the course on the Moodle Site:
Link to the Moodle Site of the Course
The Moodle Site is also exploited for communications, assignments, discussions,…
Timetable
Please check this page for possible timetable updates!
New Timetable!
| Day | Hour | Room |
|---|---|---|
| Tuesday | 11.00-13.00 | N1 |
| Wednesday | 11.00-13.00 | L1 |
The class of Friday September 26th will not be held, it will be made up in the next weeks.
Question Time
| Day | Hour | Place |
|---|---|---|
| Giovedì | 15.00-18.00 | Studio Ricci (348DE) Computer Science Department |
For any problem and for requesting bachelor/master thesis, we can contact me by e-mail (ricci@di.unipi.it) or by skype (contact lauraemiliaricci) or during the question time.
Prerequisites
Computer Networks, Algorithm Engineering
Preliminary Course Program
- Introduction
- P2P Systems : general characteristics
- P2P Applications: file sharing, voice over P2P, content distribution networks, P2P video e music streaming
- Unstructured Overlays
- Centralized systems: Napster, e-Mule: the server network
- NAT transversal techniques
- Distributed Systems: Gnutella 0.4
- Hybrid Systems: Gnutella 0.6, Kazaa
- Structured Overlays: Distributed Hash Tables
- Chord
- CAN, Proximity Aware Overlays: Vivaldi
- Prefix Based DHT: Kademlia
- DHT Applications:
- Kademlia Implementation in EMule e Bitorrent: the KAD network
- DHT based Distributed Systems: Amazon Dynamo
- Formal tools: Markov Chians
- Distribution of routing paths in Chord
- Epidemic Models
- SI model (anti entropy)
- SIR model (rumor mongering)
- Gossip Algorithms
- Random Peer Sampling
- Information Diffusion
- Computation of aggregation functions
- Network Dynamics: random processes on complex networks, random walks
- P2P Overlays analysis as complex networks
- Random Graphs
- Small Worlds: Watts Strogatz, Kleinberg models
- d-lattice: clustering coefficient
- Symphony: a Kleinberg based DHT
- Overlay Analysis:
- Chord: clustering coefficient, node degree, diameter
- Analysis of networks generated by random peer sampling
- Scale Free Networks: Gnutella
- Content Distribution Networks: BitTorrent
- Elements of game theory
- Chocking: peer cooperation
- Algorithms for choosing pieces
- P2P Audio/Video Streaming: Spotify
- Distributed Virtual environments: Massively Multiplayer Online Games on cloud e P2P
- Simulators for P2P: Peersim, PerfactSim