Hi Mariappan, if you select advanced configuration options when configuring the f5.http iApp, you will see many choices in the Delivery Optimization section. Because the iApp cannot anticipate how your application is configured, you must either pre-configure an acceleration policy before running the iApp or use one of the built-in policies (Generic Policy - Fundamental is a good one to start with). As far as learning more about configuring an acceleration policy, I recommend starting here:
https://support.f5.com/kb/en-us/products/big-ip-aam/manuals/product/aam-implementations-11-6-0.html
thanks
Mike