1. Distributed systems: How did we get here?
B. Ramamurthy

2. Lecture plan for today First day handout
What is a distributed system? What is distributed computing?
Some important issues in distributed computing
Foundations : Ch.6: Operating Systems; Ch.7: Security and protection
Distributed system as described Stankovic’s paper
Our approach to distributed system
Demos

3. Evolution of Internet Computing
12/27/2018
deep web
scale
web
Parallel
HPC
Semantic
discovery
??????
Automate (discovery)
CSE507 Introduction 2008
Discover (intelligence)
Transact
Integrate
Interact
Inform
Publish
time

4. Evolution Industrial Business Automation Just-in-time
12/27/2018
Industrial
Automation
Just-in-time
Advances in supply chain …
Business
Remote operations
Heterogeneity
Scale
Integration (application, data)
E-commerce
CSE507 Introduction 2008

5. Evolution (contd.) Information technology Internet World-wide web Grid
12/27/2018
Information technology
Internet
World-wide web
Grid
Mobile and wireless
Devices
Software, platforms
Search engines
Tremendous advances
CSE507 Introduction 2008

6. Evolution (contd.) Computing research Environment
12/27/2018
Computing research
Programming languages
RISC vs. CISC architectures
Memory capacity
Computing power
Simple programObject Component…
Environment
Accessibility
Globalization (outsourcing, markets)
...
CSE507 Introduction 2008

7. Evolution (contd.) Society IT users not exclusive to Computer Science
12/27/2018
Society
IT users not exclusive to Computer Science
Digital media
ipod, iphone, idog,..
Youtube, myspace, social networking
Blogs,wikies, podcasts …
CSE507 Introduction 2008

8. Beyond Search Engines: Enabling Information Technology and Scientific Applications
12/27/2018
Simple Search (stateless)
TV/Remote
Financial: Build Portfolio
CSE507 Introduction 2008
Medicine: plan treatment
Environment: Plan Forestation
Wireless device
Biotech: drug discovery
Complex multi-organizational applications

9. Challenges
12/27/2018
Need transformative solutions such as the Internet and the Search
Alignment with the needs of the business / user / non- computer specialists / community and society
Need to address the scalability issue: large scale data, high performance computing, automation, response time, rapid prototyping, and rapid time to production
Need to effectively address (i) ever shortening cycle of obsolescence, (ii) heterogeneity and (iii) rapid changes in requirements
Transform data from diverse sources into intelligence and deliver intelligence to right people/user/systems
CSE507 Introduction 2008