Live From AJAX World - Report 5
by Kurt Cagle
Tuesday, Oct 3 at 12:00pm
AJAX and the Copernican Revolution
David Temkin, Founder of Lazlo Systems
- Ptolemy view
- Server side has retained the big money while the client is given peanuts.
- At the top is the server architect
- Architecture-heavy, user interface light
- Far from the user, close to the IT decision-maker
- Lots of talk about scalability, "business logic", and other enterprise keywords
- Computer science degree
- Architecture astronauts are rewarded
- At the bottom is the web front-end developer and designer
- Low pay
- Far from control
- Client centric software is user-centered software
- Rich clients are programmers running in the browser
- Programs are written by developers, not page designers
- These programs are UI-focused, but also make extensive use of back end services.
- AJAX Spectrum
- HTML Page-Based Apps
- DHTML Enhancements
- Simple AJAX Apps
- Advanced AJAX apps
- Rich Clients
- Contention - in order to create more user-centric apps, it is necessary to move away from the page paradigm.
- Contention - client-side applications end up becoming the holder of the session state, which significantly change the server architecture as wel.
- Back-to-Front Development
- Start with abstract domain knowledge, objects
- Create services that encapsulate functionaity
- Tell the page designers to make it pretty
- Mature frameworks, tooks, and processes are in place to support it
- Start with the user experience (the design)
- The functionality is largely client based
- The Business is on the Glass
- The glass is where the user meets applications
- This is the critical interaction; leaving the UI to last reduces chances of business success
- Uptime, scalability, and availability are important, but so is usability
- The industry needs developers and IT managers who are oriented toward the client and the user experience
- It is these technologists who will drive the next wave of software
- The real winners in the Web 2.0 movement are those who are able to handle the clients
- Perspective is worth 80 IQ points - rich clients providde an opportunity to rethink our perspective and rebalance how we design and develop applications.
Comments: Almost didn't go to this one, but am glad I did. David is an engaging speaker, has obviously been through the trenches on this. I find I agree with him just about on everything -- we are seeing the rise of client-centric programming and it will change the world!