1. COMP28112 Distributed Computing
It’s been three months since the first lecture…
We went a long way…
We covered a number of topics…
Let’s see some…
Marking session for the lab on May 9th & 13th All your lab work should be marked by May 13th!
Be prepared for some busy sessions…
1-Jul-19
COMP28112 Lecture 22

2. Back in January I said (lecture 1)
Be flexible, keep an open mind, etc...
We’re doing engineering :
not an exact science...
but, basic exact science skills are essential (e.g., how long will it take to transmit a message of size 4MB over a network link with speed 256KB/sec?)
constraints, optimisations, ...
unreasonable (or infinite) demands, ...
imperfections, trade-offs, ...
Distributed Systems typically encompass a number of such trade-offs!
1-Jul-19
COMP28112 Lecture 22

3. Mesa et al, “Scalability of Macroblock-level Parallelism for H
Mesa et al, “Scalability of Macroblock-level Parallelism for H.264 Decoding”
1-Jul-19
COMP28112 Lecture 22

4. Then… Parallel Computing, performance, etc…
Architectures, client-server, etc…
RPC/RMI, intro to lab exercise 2
Name and Directory Servers
Lamport/Vector Clocks
Election of a leader (coordinator)
Transactions
Guest lecture (Internet-of-Things)
Lab 3 – simulation and modelling
Byzantine Fault Tolerance
Replication
The Integration Game
Cloud Computing etc…
1-Jul-19
COMP28112 Lecture 22

5. and we could have said more on:
Security
Distributed File Systems
Distributed Shared Memory
Peer-to-Peer Systems
Mobile Computing
Web Services
Sensor-based applications
Energy minimization
Cloud Computing
Performance …

6. …above all, we tried to appreciate a way of thinking that allows us to design and build ‘good’ distributed systems!
1-Jul-19
COMP28112 Lecture 22

7. for more information… the recommended textbooks have a range of pointers
1-Jul-19
COMP28112 Lecture 22

8. Towards the exam…
This is the 13th year of COMP28112 (COMP20032 earlier)
Past exams are available from the University’s / School’s central repository
This module’s webpage:
Lecture handouts are all there!
Lots of information available online
1-Jul-19
COMP28112 Lecture 22

9. The exam (will change from previous years)
It is an online exam
Two parts:
A. Multiple choice questions
B. Some questions to answer (check past papers for style)
Both parts / all questions are compulsory
All lab marking should be completed by May 13th
1-Jul-19
COMP28112 Lecture 22