middleware for internet transaction applications
Post on 13-Jan-2016
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Middleware for Internet Transaction Applications
The Application Server
WWW
• Platform-independent software model– Access by variety of devices– Cuts cost of accessing systems– Reduces time and effort to reach info
Transaction Applications
• Traditionally run on conventional client/server environments– high level of security– high level of reliability– high level of scalability
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.
Dynamic Content
• Application Servers allow users to access dynamic databases– Transaction processes– Resource allocation– Transaction coordination
The Process
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)
An Application Server Must:
• Provide Operating System services
• A Component Model
• Monitor transactions
• Provide a web server
• Broker messages
The Interface
The Application Server Solution
• Deploys real business apps on the Web
• More flexible and robust
• Lower cost
• Unifies various systems of an organization
Resources
• BYTE Magazine 7.98 Core Databases
• www.olab.com - Oracle’s website
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