IKE (Internet Key Exchange) protocol is a key component of IPSEC protocol family, it realizes an authenticated key exchange, and provides security services for IPSEC AH and ESP. It is the most promising key exchange protocol on the Internet.

• IKE(Internet Key Exchange)协议是IPSEC协议族中的一个关键组成部分,实现通过验证的密钥交换,为IPSEC AH和ESP提供了安全服务,是目前因特网上最具应用前景的密钥交换协议。