Thus IKEv2 protocol and JFK(Just Fast Keying)protocol are brought forward as the substitute for IKE to simplify protocol and resolve the problems of IKE.

• 所以提出IKEv2协议和JFK(Just Fast Keying)协议作为IKE协议的替代协议,目的在于简化协议,并尽量解决IKE中存在的问题。