OSPF is a powerful and feature-rich routing protocol due to its flexibility. OSPF provides a high functionality open protocol standard, enabling inter-vendor networking with the TCP/IP protocol suite. Here are some of the benefits of OSPF:
Faster convergence than standard distance-vector routing protocols (such as RIP and RIPv2)
VLSM support
Authentication
Hierarchical segmentation
Route summarization and aggregation, which is needed to handle large and complicated networks