Surapaneni_OraAppServer.ppt

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ORACLE APPLICATION

SERVER

BY

PHANINDER SURAPANENI

CIS 764



Overview

What is an Application Server?

Architecture of Oracle Application Server

Different Types of Editions Solutions provided by Oracle Application

Server

Comparison with other Servers Advantages



Architecture of Oracle Application

Server There are basically three tiers :

1. Client Tier

2. Application Server Tier

3. Database Tier



Architecture of Oracle AS

http://docs.huihoo.com/oracle/application_server/calyparc.gif



Client Tier

It contains the web browsers for end users

From the client computer, a user can connect to the middle tier to access

the self-service tools for publishing information, build applications, deploy

content management, and administer portal environment.



Middle Tier

The middle tier contains several components responsible for accepting requests from

clients, validating the requests, and providing content.

Some of the Key Components include :

1.Oracle Application Server Containers for J2EE

2.Oracle HTTP Server

3.Portal Services

4.Oracle Application Server Web Cache



Middle Tier (..contd)



Database Tier

The Database Tier consists of several components that help

authenticate users, store access control information, and pass on the

Required content to the user based on the privileges the user has.

The Database tier contains:

Application Server Control Console

Oracle Internet Directory

Oracle Application Server Single Sign-On (SSO) Oracle Application Server Metadata Repository



Database Tier

The Application Server also contains a special instance called the

Infrastructure that uses a database to store metadata.

This database is more correctly in the application server tier since it does

not provide persistent storage for the application.



Types of Editions

Oracle Application Server comes in 3 editions:

Standard Edition : This is appropriate for Web sites that process a small number of transactions with minimal need for application support.

Enterprise Edition :This is recommended for medium-sized to large-sized

websites that handle high volume of transactions.

Wireless Edition : It provides full enterprise support that includes Oracle Portal-to-

Go if you need to deliver content to wireless devices.



Oracle AS Solutions

There are several challenges faced during creating and maintaining

e - business websites.

Oracle Application Server provides solutions to the problems developed

during Development and Deployment.

These solutions include J2EE and Internet applications, portals, wireless,

business intelligence, e-business integration, caching, management, and

security.



Oracle Application Server Solutions

http://download.oracle.com/docs/cd/B14099_13/core.1012/b13994/intro.htm



Comparison with Other Servers

Oracle Application Server is the only platform designed for grid

computing.

Only Oracle offers full lifecycle support for Service-Oriented Architecture (SOA).

Oracle Application Server costs 80% less to manage than IBM

Web Sphere.

Oracle Application Server 10g Outperforms IBM Web Sphere and

BEA Web Logic



Advantages of Oracle AS

Supports any Database.

Supports any Legacy System.

Works best with Oracle Database than any other servers.

Lowest Cost of Ownership.



References

http://www.devshed.com/c/a/Oracle/Oracle-Application-Server-10g-

Architecture-and-Administration

http://www.orablogs.com/reynolds/archives/000486.html

http://www.oracle.com/appserver/index.html

http://download.oracle.com/docs/cd/B14099_13/portal.1014/b19305/cg_arc

hit.htm#sthref20

Oracle Application Server 10g Administration Handbook, by Garmany and

Burleson 2004

http://www.devshed.com/c/a/Oracle/Oracle-Application-Server-10g-Architecture-and-Administration




http://download.oracle.com/docs/cd/B14099_13/portal.1014/b19305/cg_archit.htm





















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