Top-level Directory Structure
* bin – automation scripts
* lib – 3rd party libraries (i.e. Struts and Hibernate)
* metadata – SQL scripts, server configurations and XDoclet fragments
* src – Java source files
* test – JUnit, Cactus, StrutsTestCase tests
* tools – Strutsgen: a tool for generating JSPs from ActionForms
* web – JSPs, properties files, images, scripts, stylesheets
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Popularity: 5% [?]
Introductions
* Software/Application Architecture are:
o Set of rules to define software/s building blocks, relations between those blocks, there position over the enterprise and which kind of blocks to use:
+ Of the shelf.
+ Reusing.
+ Developing.
* Architecture main guiding points are:
o Coherent with enterprise goals (driven and NOT leading).
o Abstraction.
o Loosely coupled.
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Popularity: 6% [?]
Life-Long Program Optimization:
* Multiple-stages of analysis & transformation:
o compile-time, link-time, install-time, run-time, idle-time
o Use aggressive interprocedural optimizations
o Gather and exploit end-user profile information
o Tune the application to the user’s hardware
* But what constraints do we have to meet?
o Can’t interfere with the build process!
o Must support multiple source-languages!
o Must integrate with legacy systems and components!
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Popularity: 10% [?]
Networking is easy, except…
* Ad hoc networks don’t have resources just for the sake of the network
o E.g., DHCP, DNS, directory, …
* Network is unreliable
o Nodes added / removed unpredictably
* Programs need to talk to programs
o But software is heterogeneous
o One size doesn’t fit all
* Must upgrade system piece at a time
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Popularity: 6% [?]
