> # Licensing Requirements for IP Storage

> The following table shows the licensing requirements for this feature:

> License | License Description
> --- | ---
> SAN extension over IP package for IPS-8 modules (SAN_EXTN_OVER_IP) SAN extension over IP package for IPS-4 modules (SAN_EXTN_OVER_IP_IPS4) | The following features apply to IPS-8 and IPS-4 modules: FCIP FCIP compression FCIP write acceleration FCIP tape read acceleration SAN extension tuner features IVR over FCIP IVR NAT over FCIP Network Stimulator
> SAN extension over IP package for MPS-14/2 modules (SAN_EXTN_OVER_IP_IPS2) | The following features apply to the MPS-14/2 module and the fixed Cisco MDS 9216i Switch IP ports: FCIP Hardware-based FCIP compression FCIP write acceleration FCIP tape read acceleration SAN extension tuner features IVR over FCIP IVR NAT over FCIP

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