Advantages of OSPF
OSPF an is having different advantages. These are as follows.
OSPF is an open standard supported by many vendors.
OSPF converges quickly.
OSPF authenticates protocols exchanges to meet security goals.
OSPF sends multicast frames rather than broadcast frames. Which reduces (DPU utilization on LAN lost.
OSPF networks can be designed in hierarchical areas, which reduces memory and CPU requirements on routers.
OSPF doesn't use a lot of bandwidth.