Style of Computing
Online Transactional
Description
A style of computing in which the computer responds quickly to
user requests. Each request is considered to be a transaction. Automatic
teller machines for banks are an example of transaction processing.
Characteristics
- Driven by user input (Query/Response model)
- User waits for system to respond before next step
- Structured and constrained transactions: user can't step out
of the environment
- Predictable scenarios
- Overload occurs gradually and can be predicted based on users
and transaction rates
- Users are independent of each other
- Information is task-oriented
- Transactions and queries are predefined
Implementation Context (examples)
- Shopping web sites
- Claims processing
- Credit card processing
- Data entry
- Document management system
- Web content management system
- Record management system
Owner
Jeff Hicks
Related links