What is Security Association

Question

Explain what is meant by the term Security Association? Describe the parameters which recognize the Security Association?

Answer 1

a) An association refers to the one-way relationship between sender and receiver which affords the security services to the traffic carried on.

b) A key concept which emerges in both the authentication and confidentiality mechanism for IP is security association (SA).

A security Association is uniquely recognized by the 3 parameters:

a) Security Parameter Index (SPI).

b) IP Destination Address.

c) Security Protocol Identifier.