1. Definition of PIA2. Structure of PIA3. Database Server4. Application Server5. Application Server Process6. Database Connectivity7. Web Server8. Web Browser9. Benefits using PIA
PeopleSoft Internet Architecture, introduced with People-Tools 8, is completely focused on the internet to provide powerful new functionality for internet- based access and integration. PeopleSoft Internet Architecture is a server centric, component architecture that enables secure end user access to PeopleSoft applications.
Any Web enabled device can access People soft. Servers can be one or more machines. No code written on the client. Provides dynamic hyperlinks, like any web page. PeopleSoft Internet Architecture is really an architecture without a client.
Database Server The database server contains database engine and PeopleSoft Application Database which includes all the applications object definitions, system tables, and application tables data. The PeopleSoft database is the repository for all information managed by your PeopleSoft application. Both application data and PeopleSoft metadata are stored and maintained in the database.
Application Servers The application server is the core of PeopleSoft Pure Internet Architecture. It runs business logic and issues SQL to the database server.
PeopleSoft Server Processes Server processes invoke services to perform application logic and issue SQL to the RDBMS. Each application server process, such as PSAPPSRV, PSQCKSRV, PSQRYSRV, PSSAMSRV…. establishes and maintains their own connections to the database.PSAPPSRV This process performs functional requests, such as building and loading components (which were known as panel groups in previous releases).
Database Connectivity Application servers require database connectivity software installed locally to maintain the SQL connection with the RDBMS. You must install the required connectivity software and associated utilities for your RDBMS.
PeopleSoft Process Scheduler and the Application Server PeopleSoft uses PSADMIN to configure and administer both the application server and PeopleSoft Process Scheduler server. The PeopleSoft Process Scheduler setup procedure in PSADMIN provides a menu-driven interface to configure PeopleSoft Process Scheduler parameters and administer the Process Scheduler server agent.
Web Server A Java-enabled web server is required to support browser transaction requests and PeopleSoft application messaging technology.
BEA Jolt The PeopleSoft servlets on the web server transmit requests and data through a connection to BEA Jolt, which runs on the application server. BEA Jolt extends BEA Tuxedo capabilities to the communication layer between the web-based environment and the C++ environments.
Web Browser The web browser is the primary means by which users and administrators access PeopleSoft applications and administrative tools. A web browser uses the HTTP protocol. The browser sends a request to the web server, which forwards the request to the application server. A servlet installed on the web server facilities all browser connections.
Configuration Options You can configure your environment to support either a physical or a logical application server configuration.
Developers (those creating the PeopleSoft pages) and Administrator(those maintaining the system) Do not need Internet access Use more powerful machines Use a Two-Tier connection End Users use Three-tier connection
Easy Access Platform Independence Look and feel Low Bandwidth access Maintenance /Deployment cost effective Dynamic HTML page Generation
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