Hello Folks,
Target Audience: Beginners in SAP Gateway.
Introduction:
Here I am going to explain the deployment scenario of SAP gateway with relating it to the books.
There are 4 objects here: customer, publisher, printer and papers(or raw materials). Suppose the customer wants 50 copies of some novel 'Novel ABC'. Here is the process:
Relate it with Gateway scenarios:
Lets relate the above scenario with gateway.
Books Analogy | Customer | Publisher | Printer | Papers (Raw Material) |
Gateway Scenarios | Browser | Front End Components | Back-End Components | Data (ECC) |
The process is:
Thus
For deployment options, we can check the SAP help page Embedded Versus Hub Deployment - SAP NetWeaver Gateway Master Guide - SAP Library
Scenario A: Central Hub Deployment — Development in SAP Business Suite Backend System
=
When Printing Press has the papers or raw materials
This approach suggests that the printing press has papers i.e. the backend system has the classes/methods of created service as well as data.
This means that Publishing house does not have the capability of printing the book i.e. the gateway service is developed at the backend system and only registered at front end hub system.
So we will have front end components(GW_CORE, IW_FND) at the Hub system and backend system will have IW_BEP copmonents.
Scenario B: Central Hub Deployment — Development in SAP NetWeaver Gateway System
=
When Publishing House also prints the book
This approach suggests that the Publishing House also has Printing Press but not the papers i.e. the front end system has the classes/methods of created service but not the data.
This means that Publishing house does have the capability of printing the book i.e. the gateway service is developed at the front end system and only data is fetched from ECC system.
So we will have front end components as well as backend components (GW_CORE, IW_FND & IW_BEP) at the Hub system.
Scenario C: Embedded Deployment — Development in SAP Business Suite Backend System
=
When publishing house prints the book as well as has the papers
This approach suggests that the Publishing House, Printing Press as well as papers or raw materials are at one place i.e. everything is in one system.
This means that Publishing house does have the capability of printing the book and also have the papers i.e. the gateway service is developed at the backend system, registered at the same system and data is also fetched from same system.
So we will have front end components as well as backend components (GW_CORE, IW_FND & IW_BEP) at the backend system.
Hope this helps in understanding the concept of Central Hub and Embedded deployment scenarios. :smile:
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