COMP30023 – Computer Systems Application Layer – HTTP and HTML Dr Lachlan Andrew Recap • History of the internet • Network Protocol Models (stacks) • OSI vs TCP/IP • Acknowledgement: • These slides are minor modifications of those prepared by Dr Chris Culnane © 2021 University of Melbourne 2 Summary • Top-down approach – We’llgraduallypeelawaythelayersoverthecomingweeks […]
A Peek at Software Engineering in Practice Mostly with as an Example Managing massive codebases Where to put the code? 2 First thought might be to create a new repo for each project. That is a common source control policy: a repo for each project, application, tool, etc. So a company’s shared codebase is managed
Distributed System Models Most concepts are drawn from Chapter 2 © Pearson Education Dr. Rajkumar Buyya Cloud Computing and Distributed Systems (CLOUDS) Laboratory Department of Computing and Information Systems The University of Melbourne, Australia http://www.cloudbus.org/652 Some ideas from Chapter 1 © Pearson Education Presentation Outline 2 ◼ Introduction ◼ PhysicalModels: ◼ Three Generations of DS:
COMP90015: Distributed Systems Dr. Rajkumar Buyya Redmond Barry Distinguished Professor & Director Cloud Computing and Distributed Systems (CLOUDS) Laboratory School of Computing and Information Systems The University of Melbourne, Australia http://www.buyya.com Teaching Staff ◼ Lecturer1:Prof.RajkumarBuyya ◼ Email: rbuyya@unimelb.edu.au ◼ Office: Zoom! ◼ Raj’s Consulting Time: ◼ After formal lecture, I will be stay online upto
Inter-Process Communication (IPC): Network Programming using TCP Java Sockets Dr. Rajkumar Buyya Cloud Computing and Distributed Systems (CLOUDS) Laboratory School of Computing and Information Systems The University of Melbourne, Australia http://www.buyya.com 1 Agenda ◼ Introduction ◼ Networking Basics ◼ Understanding Ports and Sockets ◼ Java Sockets ◼ Implementing a Server ◼ Implementing a Client ◼
Distributed Objects Programming – Remote Invocation Some concepts are drawn from Chapter 5 Sun Java online tutorials: Rajkumar Buyya Cloud Computing and Distributed Systems (CLOUDS) Laboratory School of Computing and Information Systems The University of Melbourne, Australia http://www.cloudbus.org/652 Co-contributors: Xingchen Chu, Rodrigo Calheiros, Maria Sossa, Shashikant Ilager http://java.sun.com/docs/books/tutorial/rmi/ Outline ◼ Introduction to Distributed Objects ◼
Most concepts are drawn from Chapter 11 Distributed Systems: Security Revised and Updated by: Rajkumar Buyya Chapter 2 Revision: Security Model Some Cyber Security Facts https://www.cybintsolutions.com/cyber-security-facts-stats/ 1. 95% of breached records came from only three industries in 2016 – Government, retail, and technology (high level of personal identifying information contained in their records)
SWEN30006 Software Design and Modelling Architectural Analysis and Logical Architecture Textbook: Larman Chapter 13, 33 and 38.2 “Error, no keyboard – press F1 to continue.” —early PC BIOS message Learning Objectives On completion of this topic you should be able to: • Create architectural factor tables. • Create technical memos that record architectural decisions. •
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APPLYING GOF DESIGN PATTERNS PART 3: Façade, Decorator and Observer Beware of bugs in the above code; I have only proved it correct, not tried it. Lecturer: Philip Dart Larman Chapter 26 —Donald Knuth SWEN30006 Software Modelling and Design SWEN30006 Software Modelling and Design Applying GoF Design Patterns Objectives On completion of this topic you
Most concepts are drawn from Chapter 13 Name Services Updated by Rajkumar Buyya Redmond Barry Distinguished Professor • Introduction • Name services and the DNS • Directory/Discovery services • Summary Which one is easy for humans and machines? and why? 74.125.237.83 or google.com 128.250.1.22 or distributed systems website 128.250.1.25 or Prof. Buyya