The design data origination of establishment card service analysis system , the data model analysis and the database design are proposed , and the function which the analysis system should have is also proposed
2.
The ability of keeping the ip packet ' s integrity , secrecy , authentication , data origination , anti - relay is discussed . the relationship of ipsec component authentication header ( ah ) , encapsulating security payload ( esp ) and ike ( internet key exchange ) is also talked about . this discussion of ipsec makes the impression that ipsec make ip layer security enough
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