Middleware for Internet Transaction Applications

1
Middleware for Internet Transaction Applications

• The Application Server

2
WWW

• Platform-independent software model
• Access by variety of devices
• Cuts cost of accessing systems
• Reduces time and effort to reach info

3
Transaction Applications

• Traditionally run on conventional client/server
  environments
• high level of security
• high level of reliability
• high level of scalability

4
Middleware

• To offer a client/server level of security and
  dependability for thin clients, the Application
  Server product was developed, which is designed
  to act as an intermediary between thin clients on
  the web and databases.

5
Dynamic Content

• Application Servers allow users to access dynamic
  databases
• Transaction processes
• Resource allocation
• Transaction coordination

6
The Process
7
Tapping into Services...

• Users access info via browser, while the
  Application Server provides integrated security,
  reliability, and scalability
• Incorporating
• Java
• COM (component object model)
• CORBA (common object request broker architecture)

8
An Application Server Must

• Provide Operating System services
• A Component Model
• Monitor transactions
• Provide a web server
• Broker messages

9
The Interface
10
The Application Server Solution

• Deploys real business apps on the Web
• More flexible and robust
• Lower cost
• Unifies various systems of an organization

11
Resources

• BYTE Magazine 7.98 Core Databases
• www.olab.com - Oracles website

12
(No Transcript)