Oracle EBS is the Oracle Corporation product that comprises of Customer relationship Management(CRM ), Enterprise Resource Planning(ERP), Supply chain Management(SCM), and Human Resource Management system (HRMS). Organizations can use Oracle EBS as per their need. If they are interested in Oracle Financials products only, they can license those modules only. Oracle EBS is also known as Oracle Applications
Oracle EBS R12 is the latest version of Oracle EBS. We have three main versions in R12, R12.0, R12.1, and R12.2 .R12.2 is the latest one in R12 and R12.2.8 is the latest version within R12.2 released in Aug 2019. The previous versions were Oracle Application 11 and Oracle Application 11i. The R12 version has quite a few new things than 11i.
Here are changes associated with Oracle EBS R12.0 and R12.1
Technology Change
New Versions of Mid Tier Technology
• Application Server: 1.0 -> 10.1
• Servlet Container: JServ -> OC4J
• Apache: 1.3.19 -> 1.3.34
• Forms & Reports: 6 -> 10
• R12 File System Change:
• The two 11i middle-tier Oracle homes are replaced with
newer versions
• Instance Home vs. Source Home
Components Version
11i
Java Home: 8.1.7-based IAS 1.0.2
C Home: 8.0.6-based Developer 6
Database Home: 10.2
Forms: Developer 6
R12
Java Home: 10.1.3-based IAS 1.0.2
C Home: 10.1.2-based Developer 10
Database Home: 10.2
Forms: Forms 10g (10.1.2)
New Instance Top
More information
-Jserv has been replaced by OC4J
-Forms uses servlet mode instead of socket mode in 11i
–mod-plsql is not used in R12
-R12 creates 3 OC4J instances:
Oacore: runs OA Framework-based applications
Forms: runs Forms-based applications
OAFM: runs web services, mapviewer, ascontrol
-Forms.EAR 10.1.2 is deployed to the OC4J container in Application Server 10.1.3
-Through OC4J you can execute Servlets, Java Server Pages (JSP), Enterprise Java Beans (EJB)
-OC4J Communicate with HTTP Server though ajp13 protocol. (mod_oc4j, apache module)1
R12.2 changes
R12.2 changes can be found at the below links
Oracle E-Business Suite Architecture in 12.2
Key Technology changes in E-Business Suite 12.2
Please take a look at the following post for more information on what is oracle R12
How to find R12 components version
INST_TOP (Oracle R12 INSTANCE_HOME ) decoded
Oracle EBS 11i/R12/R12.1/R12.2
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