IFLB feature in 4G

Hello Dears,
Have anyone worked with IFLB feature in 4G?
Do you have any idea what kpis are effected?
Advantages and disadvantages?

This is the basic load balancing feature.
Will help you balance the load between different LTE layers and will help achieve better spectral efficiency.

It’s good feature for Traffic Shifting.
But be careful for Drop Call.

In Huawei it is named MLB, preferred based on UE number.