How to Split Functionality

X-Windows - Easy distribution - Fast to start, slow to run - Vulnerable to network failure

Java Applets - Fault tolerant after startup - Fast to run, slow to start - Security issues

DLITE - Easy distribution - Fast to run; reasonable to start  - Tolerates weak client

Server

Client

- Compute major redraws- Type checking - Session persistence

- Highlights- Help bubbles- Animation

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