Internet Key Exchange

The IKE (Internet Key Exchange) is actually a key management technique (Protocol) standard which is applied along with the IPSec Protocol. The Internet Key Exchange (IKE) further enhances the IPSec while providing added features of flexibility, and convenience of configuration. However, KPSec can also be configured without the IKE. Following are the salient benefits of Internet Key Exchange.

It eliminates the requirement of manually specify the IPSec security parameters.
It allows us to determine a lifetime for the IPSec security association.
It allows the certification authority support for manageable and scalable IPSec applications.