There are many reasons for SAP customers to employ a web dispatcher in their system landscape. Firstly customers will locate web dispatcher in their DMZ which is bordered by two firewalls.Therefore SAP web dispatcher will be the only interface for web requests to SAP systems. Clearly this feature will bring many advantages.
- Web dispacther can distribute web requests to SAP instances , so SAP load will be balanced.
- Web requests can be filtered so unwanted requests can be omitted.
- Requests can be bufferd so performance can increase.
- Web addresses can be stabled so you can give web addresses free of SAP instance.
- Security will be higher as you put one more firewall and dont give direct access to your SAP systems