IPSec Security Association (SA)

IPSec Security Association (SA)

Each IPSec SA consists of security parameter values, such as a destination address, a unique security parameter index (SPI), the IPSec transforms used, the security keys, and additional attributes, such as IPSec lifetime. The SPI value becomes a unique record identifier (key field) linked to the SA parameters in the Security Parameter Databases in the RAM of peer devices.

Each IPSec SA consists of values such as